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authorKees Cook <keescook@chromium.org>2016-07-25 20:50:36 (GMT)
committerKees Cook <keescook@chromium.org>2016-07-25 20:50:36 (GMT)
commit74e630a7582e6b3cb39559d712a0049f08dea8a0 (patch)
tree98a752412dcfc74d802024c1d9e8c541b93174f9
parent35da60941e44dbf57868e67686dd24cc1a33125a (diff)
parent523d939ef98fd712632d93a5a2b588e477a7565e (diff)
downloadlinux-linux-test-hwsupport.tar.gz
linux-linux-test-hwsupport.tar.xz
Merge tag 'v4.7' into for-linus/pstorelinux-test-hwsupport
Linux 4.7
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-rw-r--r--net/sched/cls_flower.c6
-rw-r--r--net/sched/cls_u32.c72
-rw-r--r--net/sched/sch_api.c4
-rw-r--r--net/sched/sch_drr.c4
-rw-r--r--net/sched/sch_fifo.c4
-rw-r--r--net/sched/sch_fq_codel.c26
-rw-r--r--net/sched/sch_generic.c2
-rw-r--r--net/sched/sch_hfsc.c12
-rw-r--r--net/sched/sch_htb.c21
-rw-r--r--net/sched/sch_ingress.c12
-rw-r--r--net/sched/sch_netem.c12
-rw-r--r--net/sched/sch_prio.c71
-rw-r--r--net/sched/sch_qfq.c6
-rw-r--r--net/sched/sch_red.c4
-rw-r--r--net/sched/sch_tbf.c4
-rw-r--r--net/sctp/input.c5
-rw-r--r--net/sctp/sctp_diag.c9
-rw-r--r--net/sctp/socket.c1
-rw-r--r--net/sunrpc/clnt.c31
-rw-r--r--net/sunrpc/svc_xprt.c2
-rw-r--r--net/sunrpc/xprtsock.c1
-rw-r--r--net/tipc/bearer.c17
-rw-r--r--net/tipc/bearer.h1
-rw-r--r--net/tipc/link.c12
-rw-r--r--net/tipc/msg.c6
-rw-r--r--net/tipc/msg.h11
-rw-r--r--net/tipc/netlink_compat.c114
-rw-r--r--net/tipc/node.c15
-rw-r--r--net/tipc/socket.c54
-rw-r--r--net/unix/af_unix.c6
-rw-r--r--net/vmw_vsock/af_vsock.c12
-rw-r--r--net/wireless/core.c2
-rw-r--r--net/wireless/nl80211.c8
-rw-r--r--net/wireless/util.c4
-rw-r--r--net/wireless/wext-core.c25
-rwxr-xr-xscripts/checkpatch.pl1
-rw-r--r--scripts/gdb/linux/.gitignore1
-rw-r--r--scripts/gdb/linux/Makefile6
-rw-r--r--scripts/gdb/linux/constants.py.in7
-rw-r--r--scripts/gdb/linux/radixtree.py97
-rw-r--r--scripts/gdb/linux/symbols.py2
-rw-r--r--scripts/gdb/vmlinux-gdb.py1
-rw-r--r--scripts/mod/file2alias.c2
-rw-r--r--security/apparmor/lsm.c36
-rw-r--r--security/keys/compat.c2
-rw-r--r--security/keys/dh.c8
-rw-r--r--security/keys/internal.h5
-rw-r--r--security/keys/key.c2
-rw-r--r--security/keys/keyctl.c4
-rw-r--r--sound/core/control.c2
-rw-r--r--sound/core/pcm.c14
-rw-r--r--sound/core/timer.c2
-rw-r--r--sound/drivers/dummy.c1
-rw-r--r--sound/hda/hdac_regmap.c4
-rw-r--r--sound/pci/au88x0/au88x0_core.c5
-rw-r--r--sound/pci/echoaudio/echoaudio.c4
-rw-r--r--sound/pci/hda/hda_generic.c2
-rw-r--r--sound/pci/hda/hda_intel.c21
-rw-r--r--sound/pci/hda/hda_tegra.c20
-rw-r--r--sound/pci/hda/patch_realtek.c95
-rw-r--r--sound/soc/codecs/Kconfig7
-rw-r--r--sound/soc/codecs/ak4613.c2
-rw-r--r--sound/soc/codecs/cx20442.c1
-rw-r--r--sound/soc/codecs/hdac_hdmi.c20
-rw-r--r--sound/soc/codecs/rt5645.c2
-rw-r--r--sound/soc/codecs/rt5670.c2
-rw-r--r--sound/soc/codecs/wm5102.c2
-rw-r--r--sound/soc/codecs/wm5110.c1
-rw-r--r--sound/soc/codecs/wm8940.c1
-rw-r--r--sound/soc/davinci/davinci-mcasp.c56
-rw-r--r--sound/soc/davinci/davinci-mcasp.h4
-rw-r--r--sound/soc/fsl/fsl_ssi.c12
-rw-r--r--sound/soc/intel/atom/sst-mfld-platform-compress.c9
-rw-r--r--sound/soc/intel/skylake/bxt-sst.c1
-rw-r--r--sound/soc/sh/rcar/adg.c2
-rw-r--r--sound/usb/card.c2
-rw-r--r--tools/objtool/builtin-check.c8
-rw-r--r--tools/perf/util/data-convert-bt.c41
-rw-r--r--tools/perf/util/event.c2
-rw-r--r--tools/perf/util/symbol.c16
-rw-r--r--tools/testing/radix-tree/tag_check.c2
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc9
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc9
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc9
-rw-r--r--tools/testing/selftests/net/reuseport_bpf.c10
-rw-r--r--tools/testing/selftests/vm/compaction_test.c2
-rw-r--r--tools/virtio/ringtest/Makefile4
-rw-r--r--tools/virtio/ringtest/README4
-rw-r--r--tools/virtio/ringtest/noring.c69
-rwxr-xr-xtools/virtio/ringtest/run-on-all.sh4
-rw-r--r--tools/vm/slabinfo.c5
-rw-r--r--virt/kvm/arm/hyp/vgic-v2-sr.c7
-rw-r--r--virt/kvm/arm/vgic/vgic-mmio.c4
-rw-r--r--virt/kvm/arm/vgic/vgic-v2.c14
-rw-r--r--virt/kvm/arm/vgic/vgic-v3.c14
-rw-r--r--virt/kvm/irqchip.c2
-rw-r--r--virt/kvm/kvm_main.c24
1442 files changed, 15098 insertions, 8881 deletions
diff --git a/.mailmap b/.mailmap
index 08b8042..52489f5 100644
--- a/.mailmap
+++ b/.mailmap
@@ -21,6 +21,7 @@ Andrey Ryabinin <ryabinin.a.a@gmail.com> <a.ryabinin@samsung.com>
Andrew Morton <akpm@linux-foundation.org>
Andrew Vasquez <andrew.vasquez@qlogic.com>
Andy Adamson <andros@citi.umich.edu>
+Antoine Tenart <antoine.tenart@free-electrons.com>
Antonio Ospite <ao2@ao2.it> <ao2@amarulasolutions.com>
Archit Taneja <archit@ti.com>
Arnaud Patard <arnaud.patard@rtp-net.org>
@@ -30,6 +31,9 @@ Axel Lin <axel.lin@gmail.com>
Ben Gardner <bgardner@wabtec.com>
Ben M Cahill <ben.m.cahill@intel.com>
Björn Steinbrink <B.Steinbrink@gmx.de>
+Boris Brezillon <boris.brezillon@free-electrons.com>
+Boris Brezillon <boris.brezillon@free-electrons.com> <b.brezillon.dev@gmail.com>
+Boris Brezillon <boris.brezillon@free-electrons.com> <b.brezillon@overkiz.com>
Brian Avery <b.avery@hp.com>
Brian King <brking@us.ibm.com>
Christoph Hellwig <hch@lst.de>
@@ -89,6 +93,7 @@ Leonid I Ananiev <leonid.i.ananiev@intel.com>
Linas Vepstas <linas@austin.ibm.com>
Mark Brown <broonie@sirena.org.uk>
Matthieu CASTET <castet.matthieu@free.fr>
+Mauro Carvalho Chehab <mchehab@kernel.org> <maurochehab@gmail.com> <mchehab@infradead.org> <mchehab@redhat.com> <m.chehab@samsung.com> <mchehab@osg.samsung.com> <mchehab@s-opensource.com>
Mayuresh Janorkar <mayur@ti.com>
Michael Buesch <m@bues.ch>
Michel Dänzer <michel@tungstengraphics.com>
@@ -122,6 +127,7 @@ Santosh Shilimkar <santosh.shilimkar@oracle.org>
Sascha Hauer <s.hauer@pengutronix.de>
S.Çağlar Onur <caglar@pardus.org.tr>
Shiraz Hashim <shiraz.linux.kernel@gmail.com> <shiraz.hashim@st.com>
+Shuah Khan <shuah@kernel.org> <shuahkhan@gmail.com> <shuah.khan@hp.com> <shuahkh@osg.samsung.com> <shuah.kh@samsung.com>
Simon Kelley <simon@thekelleys.org.uk>
Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr>
Stephen Hemminger <shemminger@osdl.org>
diff --git a/CREDITS b/CREDITS
index 0f0bf22..2a3fbcd 100644
--- a/CREDITS
+++ b/CREDITS
@@ -649,6 +649,7 @@ D: Configure, Menuconfig, xconfig
N: Mauro Carvalho Chehab
E: m.chehab@samsung.org
+E: mchehab@osg.samsung.com
E: mchehab@infradead.org
D: Media subsystem (V4L/DVB) drivers and core
D: EDAC drivers and EDAC 3.0 core rework
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uvc b/Documentation/ABI/testing/configfs-usb-gadget-uvc
index 2f4a005..1ba0d0f 100644
--- a/Documentation/ABI/testing/configfs-usb-gadget-uvc
+++ b/Documentation/ABI/testing/configfs-usb-gadget-uvc
@@ -1,6 +1,6 @@
What: /config/usb-gadget/gadget/functions/uvc.name
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: UVC function directory
streaming_maxburst - 0..15 (ss only)
@@ -9,37 +9,37 @@ Description: UVC function directory
What: /config/usb-gadget/gadget/functions/uvc.name/control
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Control descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/class
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/class/ss
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Super speed control class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/class/fs
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Full speed control class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Terminal descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/output
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Output terminal descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/output/default
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Default output terminal descriptors
All attributes read only:
@@ -53,12 +53,12 @@ Description: Default output terminal descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Camera terminal descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera/default
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Default camera terminal descriptors
All attributes read only:
@@ -75,12 +75,12 @@ Description: Default camera terminal descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/processing
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Processing unit descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/processing/default
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Default processing unit descriptors
All attributes read only:
@@ -94,49 +94,49 @@ Description: Default processing unit descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/header
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Control header descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/control/header/name
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Specific control header descriptors
dwClockFrequency
bcdUVC
What: /config/usb-gadget/gadget/functions/uvc.name/streaming
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Streaming descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/class
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Streaming class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/class/ss
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Super speed streaming class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/class/hs
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: High speed streaming class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/class/fs
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Full speed streaming class descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/color_matching
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Color matching descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/color_matching/default
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Default color matching descriptors
All attributes read only:
@@ -150,12 +150,12 @@ Description: Default color matching descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: MJPEG format descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg/name
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Specific MJPEG format descriptors
All attributes read only,
@@ -174,7 +174,7 @@ Description: Specific MJPEG format descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg/name/name
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Specific MJPEG frame descriptors
dwFrameInterval - indicates how frame interval can be
@@ -196,12 +196,12 @@ Description: Specific MJPEG frame descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Uncompressed format descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed/name
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Specific uncompressed format descriptors
bmaControls - this format's data for bmaControls in
@@ -221,7 +221,7 @@ Description: Specific uncompressed format descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed/name/name
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Specific uncompressed frame descriptors
dwFrameInterval - indicates how frame interval can be
@@ -243,12 +243,12 @@ Description: Specific uncompressed frame descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/header
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Streaming header descriptors
What: /config/usb-gadget/gadget/functions/uvc.name/streaming/header/name
Date: Dec 2014
-KernelVersion: 3.20
+KernelVersion: 4.0
Description: Specific streaming header descriptors
All attributes read only:
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935 b/Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935
index 6708c5e..33e96f7 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935
+++ b/Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935
@@ -1,4 +1,4 @@
-What /sys/bus/iio/devices/iio:deviceX/in_proximity_raw
+What /sys/bus/iio/devices/iio:deviceX/in_proximity_input
Date: March 2014
KernelVersion: 3.15
Contact: Matt Ranostay <mranostay@gmail.com>
diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl
index de79efd..8c68768 100644
--- a/Documentation/DocBook/device-drivers.tmpl
+++ b/Documentation/DocBook/device-drivers.tmpl
@@ -128,16 +128,44 @@ X!Edrivers/base/interface.c
!Edrivers/base/platform.c
!Edrivers/base/bus.c
</sect1>
- <sect1><title>Device Drivers DMA Management</title>
+ <sect1>
+ <title>Buffer Sharing and Synchronization</title>
+ <para>
+ The dma-buf subsystem provides the framework for sharing buffers
+ for hardware (DMA) access across multiple device drivers and
+ subsystems, and for synchronizing asynchronous hardware access.
+ </para>
+ <para>
+ This is used, for example, by drm "prime" multi-GPU support, but
+ is of course not limited to GPU use cases.
+ </para>
+ <para>
+ The three main components of this are: (1) dma-buf, representing
+ a sg_table and exposed to userspace as a file descriptor to allow
+ passing between devices, (2) fence, which provides a mechanism
+ to signal when one device as finished access, and (3) reservation,
+ which manages the shared or exclusive fence(s) associated with
+ the buffer.
+ </para>
+ <sect2><title>dma-buf</title>
!Edrivers/dma-buf/dma-buf.c
+!Iinclude/linux/dma-buf.h
+ </sect2>
+ <sect2><title>reservation</title>
+!Pdrivers/dma-buf/reservation.c Reservation Object Overview
+!Edrivers/dma-buf/reservation.c
+!Iinclude/linux/reservation.h
+ </sect2>
+ <sect2><title>fence</title>
!Edrivers/dma-buf/fence.c
-!Edrivers/dma-buf/seqno-fence.c
!Iinclude/linux/fence.h
+!Edrivers/dma-buf/seqno-fence.c
!Iinclude/linux/seqno-fence.h
-!Edrivers/dma-buf/reservation.c
-!Iinclude/linux/reservation.h
!Edrivers/dma-buf/sync_file.c
!Iinclude/linux/sync_file.h
+ </sect2>
+ </sect1>
+ <sect1><title>Device Drivers DMA Management</title>
!Edrivers/base/dma-coherent.c
!Edrivers/base/dma-mapping.c
</sect1>
diff --git a/Documentation/arm64/silicon-errata.txt b/Documentation/arm64/silicon-errata.txt
index c6938e5..4da60b4 100644
--- a/Documentation/arm64/silicon-errata.txt
+++ b/Documentation/arm64/silicon-errata.txt
@@ -56,6 +56,7 @@ stable kernels.
| ARM | MMU-500 | #841119,#826419 | N/A |
| | | | |
| Cavium | ThunderX ITS | #22375, #24313 | CAVIUM_ERRATUM_22375 |
+| Cavium | ThunderX ITS | #23144 | CAVIUM_ERRATUM_23144 |
| Cavium | ThunderX GICv3 | #23154 | CAVIUM_ERRATUM_23154 |
| Cavium | ThunderX Core | #27456 | CAVIUM_ERRATUM_27456 |
| Cavium | ThunderX SMMUv2 | #27704 | N/A |
diff --git a/Documentation/devicetree/bindings/display/imx/ldb.txt b/Documentation/devicetree/bindings/display/imx/ldb.txt
index 0a175d9..a407462 100644
--- a/Documentation/devicetree/bindings/display/imx/ldb.txt
+++ b/Documentation/devicetree/bindings/display/imx/ldb.txt
@@ -62,6 +62,7 @@ Required properties:
display-timings are used instead.
Optional properties (required if display-timings are used):
+ - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
- display-timings : A node that describes the display timings as defined in
Documentation/devicetree/bindings/display/display-timing.txt.
- fsl,data-mapping : should be "spwg" or "jeida"
diff --git a/Documentation/devicetree/bindings/hwmon/ina2xx.txt b/Documentation/devicetree/bindings/hwmon/ina2xx.txt
index 9bcd5e8..02af0d9 100644
--- a/Documentation/devicetree/bindings/hwmon/ina2xx.txt
+++ b/Documentation/devicetree/bindings/hwmon/ina2xx.txt
@@ -7,6 +7,7 @@ Required properties:
- "ti,ina220" for ina220
- "ti,ina226" for ina226
- "ti,ina230" for ina230
+ - "ti,ina231" for ina231
- reg: I2C address
Optional properties:
diff --git a/Documentation/devicetree/bindings/i2c/i2c-arb-gpio-challenge.txt b/Documentation/devicetree/bindings/i2c/i2c-arb-gpio-challenge.txt
index bfeabb8..71191ff 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-arb-gpio-challenge.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-arb-gpio-challenge.txt
@@ -44,8 +44,8 @@ Required properties:
- our-claim-gpio: The GPIO that we use to claim the bus.
- their-claim-gpios: The GPIOs that the other sides use to claim the bus.
Note that some implementations may only support a single other master.
-- Standard I2C mux properties. See mux.txt in this directory.
-- Single I2C child bus node at reg 0. See mux.txt in this directory.
+- Standard I2C mux properties. See i2c-mux.txt in this directory.
+- Single I2C child bus node at reg 0. See i2c-mux.txt in this directory.
Optional properties:
- slew-delay-us: microseconds to wait for a GPIO to go high. Default is 10 us.
diff --git a/Documentation/devicetree/bindings/i2c/i2c-demux-pinctrl.txt b/Documentation/devicetree/bindings/i2c/i2c-demux-pinctrl.txt
index 6078aef..7ce23ac 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-demux-pinctrl.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-demux-pinctrl.txt
@@ -27,7 +27,8 @@ Required properties:
- i2c-bus-name: The name of this bus. Also needed as pinctrl-name for the I2C
parents.
-Furthermore, I2C mux properties and child nodes. See mux.txt in this directory.
+Furthermore, I2C mux properties and child nodes. See i2c-mux.txt in this
+directory.
Example:
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-gpio.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-gpio.txt
index 66709a8..21da3ec 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux-gpio.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux-gpio.txt
@@ -22,8 +22,8 @@ Required properties:
- i2c-parent: The phandle of the I2C bus that this multiplexer's master-side
port is connected to.
- mux-gpios: list of gpios used to control the muxer
-* Standard I2C mux properties. See mux.txt in this directory.
-* I2C child bus nodes. See mux.txt in this directory.
+* Standard I2C mux properties. See i2c-mux.txt in this directory.
+* I2C child bus nodes. See i2c-mux.txt in this directory.
Optional properties:
- idle-state: value to set the muxer to when idle. When no value is
@@ -33,7 +33,7 @@ For each i2c child node, an I2C child bus will be created. They will
be numbered based on their order in the device tree.
Whenever an access is made to a device on a child bus, the value set
-in the revelant node's reg property will be output using the list of
+in the relevant node's reg property will be output using the list of
GPIOs, the first in the list holding the least-significant value.
If an idle state is defined, using the idle-state (optional) property,
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pinctrl.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-pinctrl.txt
index ae8af16..33119a9 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux-pinctrl.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pinctrl.txt
@@ -28,9 +28,9 @@ Also required are:
* Standard pinctrl properties that specify the pin mux state for each child
bus. See ../pinctrl/pinctrl-bindings.txt.
-* Standard I2C mux properties. See mux.txt in this directory.
+* Standard I2C mux properties. See i2c-mux.txt in this directory.
-* I2C child bus nodes. See mux.txt in this directory.
+* I2C child bus nodes. See i2c-mux.txt in this directory.
For each named state defined in the pinctrl-names property, an I2C child bus
will be created. I2C child bus numbers are assigned based on the index into
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-reg.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-reg.txt
index 688783f..de00d7f 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux-reg.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux-reg.txt
@@ -7,8 +7,8 @@ Required properties:
- compatible: i2c-mux-reg
- i2c-parent: The phandle of the I2C bus that this multiplexer's master-side
port is connected to.
-* Standard I2C mux properties. See mux.txt in this directory.
-* I2C child bus nodes. See mux.txt in this directory.
+* Standard I2C mux properties. See i2c-mux.txt in this directory.
+* I2C child bus nodes. See i2c-mux.txt in this directory.
Optional properties:
- reg: this pair of <offset size> specifies the register to control the mux.
@@ -24,7 +24,7 @@ Optional properties:
given, it defaults to the last value used.
Whenever an access is made to a device on a child bus, the value set
-in the revelant node's reg property will be output to the register.
+in the relevant node's reg property will be output to the register.
If an idle state is defined, using the idle-state (optional) property,
whenever an access is not being made to a device on a child bus, the
diff --git a/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt b/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt
index 14aa6cf..6a9a63c 100644
--- a/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt
+++ b/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt
@@ -13,10 +13,10 @@ Optional properties:
initialization. This is an array of 28 values(u8).
- marvell,wakeup-pin: It represents wakeup pin number of the bluetooth chip.
- firmware will use the pin to wakeup host system.
+ firmware will use the pin to wakeup host system (u16).
- marvell,wakeup-gap-ms: wakeup gap represents wakeup latency of the host
platform. The value will be configured to firmware. This
- is needed to work chip's sleep feature as expected.
+ is needed to work chip's sleep feature as expected (u16).
- interrupt-parent: phandle of the parent interrupt controller
- interrupts : interrupt pin number to the cpu. Driver will request an irq based
on this interrupt number. During system suspend, the irq will be
@@ -50,7 +50,7 @@ calibration data is also available in below example.
0x37 0x01 0x1c 0x00 0xff 0xff 0xff 0xff 0x01 0x7f 0x04 0x02
0x00 0x00 0xba 0xce 0xc0 0xc6 0x2d 0x00 0x00 0x00 0x00 0x00
0x00 0x00 0xf0 0x00>;
- marvell,wakeup-pin = <0x0d>;
- marvell,wakeup-gap-ms = <0x64>;
+ marvell,wakeup-pin = /bits/ 16 <0x0d>;
+ marvell,wakeup-gap-ms = /bits/ 16 <0x64>;
};
};
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index a7440bc..2c2500d 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -255,6 +255,7 @@ synology Synology, Inc.
SUNW Sun Microsystems, Inc
tbs TBS Technologies
tcl Toby Churchill Ltd.
+technexion TechNexion
technologic Technologic Systems
thine THine Electronics, Inc.
ti Texas Instruments
@@ -269,6 +270,7 @@ tronsmart Tronsmart
truly Truly Semiconductors Limited
tyan Tyan Computer Corporation
upisemi uPI Semiconductor Corp.
+uniwest United Western Technologies Corp (UniWest)
urt United Radiant Technology Corporation
usi Universal Scientific Industrial Co., Ltd.
v3 V3 Semiconductor
diff --git a/Documentation/filesystems/devpts.txt b/Documentation/filesystems/devpts.txt
index 30d2fcb..9f94fe27 100644
--- a/Documentation/filesystems/devpts.txt
+++ b/Documentation/filesystems/devpts.txt
@@ -1,141 +1,26 @@
+Each mount of the devpts filesystem is now distinct such that ptys
+and their indicies allocated in one mount are independent from ptys
+and their indicies in all other mounts.
-To support containers, we now allow multiple instances of devpts filesystem,
-such that indices of ptys allocated in one instance are independent of indices
-allocated in other instances of devpts.
+All mounts of the devpts filesystem now create a /dev/pts/ptmx node
+with permissions 0000.
-To preserve backward compatibility, this support for multiple instances is
-enabled only if:
+To retain backwards compatibility the a ptmx device node (aka any node
+created with "mknod name c 5 2") when opened will look for an instance
+of devpts under the name "pts" in the same directory as the ptmx device
+node.
- - CONFIG_DEVPTS_MULTIPLE_INSTANCES=y, and
- - '-o newinstance' mount option is specified while mounting devpts
-
-IOW, devpts now supports both single-instance and multi-instance semantics.
-
-If CONFIG_DEVPTS_MULTIPLE_INSTANCES=n, there is no change in behavior and
-this referred to as the "legacy" mode. In this mode, the new mount options
-(-o newinstance and -o ptmxmode) will be ignored with a 'bogus option' message
-on console.
-
-If CONFIG_DEVPTS_MULTIPLE_INSTANCES=y and devpts is mounted without the
-'newinstance' option (as in current start-up scripts) the new mount binds
-to the initial kernel mount of devpts. This mode is referred to as the
-'single-instance' mode and the current, single-instance semantics are
-preserved, i.e PTYs are common across the system.
-
-The only difference between this single-instance mode and the legacy mode
-is the presence of new, '/dev/pts/ptmx' node with permissions 0000, which
-can safely be ignored.
-
-If CONFIG_DEVPTS_MULTIPLE_INSTANCES=y and 'newinstance' option is specified,
-the mount is considered to be in the multi-instance mode and a new instance
-of the devpts fs is created. Any ptys created in this instance are independent
-of ptys in other instances of devpts. Like in the single-instance mode, the
-/dev/pts/ptmx node is present. To effectively use the multi-instance mode,
-open of /dev/ptmx must be a redirected to '/dev/pts/ptmx' using a symlink or
-bind-mount.
-
-Eg: A container startup script could do the following:
-
- $ chmod 0666 /dev/pts/ptmx
- $ rm /dev/ptmx
- $ ln -s pts/ptmx /dev/ptmx
- $ ns_exec -cm /bin/bash
-
- # We are now in new container
-
- $ umount /dev/pts
- $ mount -t devpts -o newinstance lxcpts /dev/pts
- $ sshd -p 1234
-
-where 'ns_exec -cm /bin/bash' calls clone() with CLONE_NEWNS flag and execs
-/bin/bash in the child process. A pty created by the sshd is not visible in
-the original mount of /dev/pts.
+As an option instead of placing a /dev/ptmx device node at /dev/ptmx
+it is possible to place a symlink to /dev/pts/ptmx at /dev/ptmx or
+to bind mount /dev/ptx/ptmx to /dev/ptmx. If you opt for using
+the devpts filesystem in this manner devpts should be mounted with
+the ptmxmode=0666, or chmod 0666 /dev/pts/ptmx should be called.
Total count of pty pairs in all instances is limited by sysctls:
kernel.pty.max = 4096 - global limit
-kernel.pty.reserve = 1024 - reserve for initial instance
+kernel.pty.reserve = 1024 - reserved for filesystems mounted from the initial mount namespace
kernel.pty.nr - current count of ptys
Per-instance limit could be set by adding mount option "max=<count>".
This feature was added in kernel 3.4 together with sysctl kernel.pty.reserve.
In kernels older than 3.4 sysctl kernel.pty.max works as per-instance limit.
-
-User-space changes
-------------------
-
-In multi-instance mode (i.e '-o newinstance' mount option is specified at least
-once), following user-space issues should be noted.
-
-1. If -o newinstance mount option is never used, /dev/pts/ptmx can be ignored
- and no change is needed to system-startup scripts.
-
-2. To effectively use multi-instance mode (i.e -o newinstance is specified)
- administrators or startup scripts should "redirect" open of /dev/ptmx to
- /dev/pts/ptmx using either a bind mount or symlink.
-
- $ mount -t devpts -o newinstance devpts /dev/pts
-
- followed by either
-
- $ rm /dev/ptmx
- $ ln -s pts/ptmx /dev/ptmx
- $ chmod 666 /dev/pts/ptmx
- or
- $ mount -o bind /dev/pts/ptmx /dev/ptmx
-
-3. The '/dev/ptmx -> pts/ptmx' symlink is the preferred method since it
- enables better error-reporting and treats both single-instance and
- multi-instance mounts similarly.
-
- But this method requires that system-startup scripts set the mode of
- /dev/pts/ptmx correctly (default mode is 0000). The scripts can set the
- mode by, either
-
- - adding ptmxmode mount option to devpts entry in /etc/fstab, or
- - using 'chmod 0666 /dev/pts/ptmx'
-
-4. If multi-instance mode mount is needed for containers, but the system
- startup scripts have not yet been updated, container-startup scripts
- should bind mount /dev/ptmx to /dev/pts/ptmx to avoid breaking single-
- instance mounts.
-
- Or, in general, container-startup scripts should use:
-
- mount -t devpts -o newinstance -o ptmxmode=0666 devpts /dev/pts
- if [ ! -L /dev/ptmx ]; then
- mount -o bind /dev/pts/ptmx /dev/ptmx
- fi
-
- When all devpts mounts are multi-instance, /dev/ptmx can permanently be
- a symlink to pts/ptmx and the bind mount can be ignored.
-
-5. A multi-instance mount that is not accompanied by the /dev/ptmx to
- /dev/pts/ptmx redirection would result in an unusable/unreachable pty.
-
- mount -t devpts -o newinstance lxcpts /dev/pts
-
- immediately followed by:
-
- open("/dev/ptmx")
-
- would create a pty, say /dev/pts/7, in the initial kernel mount.
- But /dev/pts/7 would be invisible in the new mount.
-
-6. The permissions for /dev/pts/ptmx node should be specified when mounting
- /dev/pts, using the '-o ptmxmode=%o' mount option (default is 0000).
-
- mount -t devpts -o newinstance -o ptmxmode=0644 devpts /dev/pts
-
- The permissions can be later be changed as usual with 'chmod'.
-
- chmod 666 /dev/pts/ptmx
-
-7. A mount of devpts without the 'newinstance' option results in binding to
- initial kernel mount. This behavior while preserving legacy semantics,
- does not provide strict isolation in a container environment. i.e by
- mounting devpts without the 'newinstance' option, a container could
- get visibility into the 'host' or root container's devpts.
-
- To workaround this and have strict isolation, all mounts of devpts,
- including the mount in the root container, should use the newinstance
- option.
diff --git a/Documentation/gdb-kernel-debugging.txt b/Documentation/gdb-kernel-debugging.txt
index 4ab7d43..7050ce8 100644
--- a/Documentation/gdb-kernel-debugging.txt
+++ b/Documentation/gdb-kernel-debugging.txt
@@ -139,27 +139,6 @@ Examples of using the Linux-provided gdb helpers
start_comm = "swapper/2\000\000\000\000\000\000"
}
- o Dig into a radix tree data structure, such as the IRQ descriptors:
- (gdb) print (struct irq_desc)$lx_radix_tree_lookup(irq_desc_tree, 18)
- $6 = {
- irq_common_data = {
- state_use_accessors = 67584,
- handler_data = 0x0 <__vectors_start>,
- msi_desc = 0x0 <__vectors_start>,
- affinity = {{
- bits = {65535}
- }}
- },
- irq_data = {
- mask = 0,
- irq = 18,
- hwirq = 27,
- common = 0xee803d80,
- chip = 0xc0eb0854 <gic_data>,
- domain = 0xee808000,
- parent_data = 0x0 <__vectors_start>,
- chip_data = 0xc0eb0854 <gic_data>
- } <... trimmed ...>
List of commands and functions
------------------------------
diff --git a/Documentation/kdump/gdbmacros.txt b/Documentation/kdump/gdbmacros.txt
index 35f6a98..220d0a8 100644
--- a/Documentation/kdump/gdbmacros.txt
+++ b/Documentation/kdump/gdbmacros.txt
@@ -170,21 +170,92 @@ document trapinfo
address the kernel panicked.
end
+define dump_log_idx
+ set $idx = $arg0
+ if ($argc > 1)
+ set $prev_flags = $arg1
+ else
+ set $prev_flags = 0
+ end
+ set $msg = ((struct printk_log *) (log_buf + $idx))
+ set $prefix = 1
+ set $newline = 1
+ set $log = log_buf + $idx + sizeof(*$msg)
-define dmesg
- set $i = 0
- set $end_idx = (log_end - 1) & (log_buf_len - 1)
+ # prev & LOG_CONT && !(msg->flags & LOG_PREIX)
+ if (($prev_flags & 8) && !($msg->flags & 4))
+ set $prefix = 0
+ end
+
+ # msg->flags & LOG_CONT
+ if ($msg->flags & 8)
+ # (prev & LOG_CONT && !(prev & LOG_NEWLINE))
+ if (($prev_flags & 8) && !($prev_flags & 2))
+ set $prefix = 0
+ end
+ # (!(msg->flags & LOG_NEWLINE))
+ if (!($msg->flags & 2))
+ set $newline = 0
+ end
+ end
+
+ if ($prefix)
+ printf "[%5lu.%06lu] ", $msg->ts_nsec / 1000000000, $msg->ts_nsec % 1000000000
+ end
+ if ($msg->text_len != 0)
+ eval "printf \"%%%d.%ds\", $log", $msg->text_len, $msg->text_len
+ end
+ if ($newline)
+ printf "\n"
+ end
+ if ($msg->dict_len > 0)
+ set $dict = $log + $msg->text_len
+ set $idx = 0
+ set $line = 1
+ while ($idx < $msg->dict_len)
+ if ($line)
+ printf " "
+ set $line = 0
+ end
+ set $c = $dict[$idx]
+ if ($c == '\0')
+ printf "\n"
+ set $line = 1
+ else
+ if ($c < ' ' || $c >= 127 || $c == '\\')
+ printf "\\x%02x", $c
+ else
+ printf "%c", $c
+ end
+ end
+ set $idx = $idx + 1
+ end
+ printf "\n"
+ end
+end
+document dump_log_idx
+ Dump a single log given its index in the log buffer. The first
+ parameter is the index into log_buf, the second is optional and
+ specified the previous log buffer's flags, used for properly
+ formatting continued lines.
+end
- while ($i < logged_chars)
- set $idx = (log_end - 1 - logged_chars + $i) & (log_buf_len - 1)
+define dmesg
+ set $i = log_first_idx
+ set $end_idx = log_first_idx
+ set $prev_flags = 0
- if ($idx + 100 <= $end_idx) || \
- ($end_idx <= $idx && $idx + 100 < log_buf_len)
- printf "%.100s", &log_buf[$idx]
- set $i = $i + 100
+ while (1)
+ set $msg = ((struct printk_log *) (log_buf + $i))
+ if ($msg->len == 0)
+ set $i = 0
else
- printf "%c", log_buf[$idx]
- set $i = $i + 1
+ dump_log_idx $i $prev_flags
+ set $i = $i + $msg->len
+ set $prev_flags = $msg->flags
+ end
+ if ($i == $end_idx)
+ loop_break
end
end
end
diff --git a/Documentation/leds/leds-class.txt b/Documentation/leds/leds-class.txt
index d406d98..44f5e6b 100644
--- a/Documentation/leds/leds-class.txt
+++ b/Documentation/leds/leds-class.txt
@@ -74,8 +74,8 @@ blink_set() function (see <linux/leds.h>). To set an LED to blinking,
however, it is better to use the API function led_blink_set(), as it
will check and implement software fallback if necessary.
-To turn off blinking again, use the API function led_brightness_set()
-as that will not just set the LED brightness but also stop any software
+To turn off blinking, use the API function led_brightness_set()
+with brightness value LED_OFF, which should stop any software
timers that may have been required for blinking.
The blink_set() function should choose a user friendly blinking value
diff --git a/Documentation/networking/dsa/dsa.txt b/Documentation/networking/dsa/dsa.txt
index 631b0f7..9d05ed7 100644
--- a/Documentation/networking/dsa/dsa.txt
+++ b/Documentation/networking/dsa/dsa.txt
@@ -369,8 +369,6 @@ does not allocate any driver private context space.
Switch configuration
--------------------
-- priv_size: additional size needed by the switch driver for its private context
-
- tag_protocol: this is to indicate what kind of tagging protocol is supported,
should be a valid value from the dsa_tag_protocol enum
@@ -416,11 +414,6 @@ PHY devices and link management
to the switch port MDIO registers. If unavailable return a negative error
code.
-- poll_link: Function invoked by DSA to query the link state of the switch
- builtin Ethernet PHYs, per port. This function is responsible for calling
- netif_carrier_{on,off} when appropriate, and can be used to poll all ports in a
- single call. Executes from workqueue context.
-
- adjust_link: Function invoked by the PHY library when a slave network device
is attached to a PHY device. This function is responsible for appropriately
configuring the switch port link parameters: speed, duplex, pause based on
@@ -542,6 +535,16 @@ Bridge layer
Bridge VLAN filtering
---------------------
+- port_vlan_filtering: bridge layer function invoked when the bridge gets
+ configured for turning on or off VLAN filtering. If nothing specific needs to
+ be done at the hardware level, this callback does not need to be implemented.
+ When VLAN filtering is turned on, the hardware must be programmed with
+ rejecting 802.1Q frames which have VLAN IDs outside of the programmed allowed
+ VLAN ID map/rules. If there is no PVID programmed into the switch port,
+ untagged frames must be rejected as well. When turned off the switch must
+ accept any 802.1Q frames irrespective of their VLAN ID, and untagged frames are
+ allowed.
+
- port_vlan_prepare: bridge layer function invoked when the bridge prepares the
configuration of a VLAN on the given port. If the operation is not supported
by the hardware, this function should return -EOPNOTSUPP to inform the bridge
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 6c7f365b..9ae9293 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1036,15 +1036,17 @@ proxy_arp_pvlan - BOOLEAN
shared_media - BOOLEAN
Send(router) or accept(host) RFC1620 shared media redirects.
- Overrides ip_secure_redirects.
+ Overrides secure_redirects.
shared_media for the interface will be enabled if at least one of
conf/{all,interface}/shared_media is set to TRUE,
it will be disabled otherwise
default TRUE
secure_redirects - BOOLEAN
- Accept ICMP redirect messages only for gateways,
- listed in default gateway list.
+ Accept ICMP redirect messages only to gateways listed in the
+ interface's current gateway list. Even if disabled, RFC1122 redirect
+ rules still apply.
+ Overridden by shared_media.
secure_redirects for the interface will be enabled if at least one of
conf/{all,interface}/secure_redirects is set to TRUE,
it will be disabled otherwise
diff --git a/Documentation/scsi/scsi_eh.txt b/Documentation/scsi/scsi_eh.txt
index 8638f61..37eca00 100644
--- a/Documentation/scsi/scsi_eh.txt
+++ b/Documentation/scsi/scsi_eh.txt
@@ -263,19 +263,23 @@ scmd->allowed.
3. scmd recovered
ACTION: scsi_eh_finish_cmd() is invoked to EH-finish scmd
- - shost->host_failed--
- clear scmd->eh_eflags
- scsi_setup_cmd_retry()
- move from local eh_work_q to local eh_done_q
LOCKING: none
+ CONCURRENCY: at most one thread per separate eh_work_q to
+ keep queue manipulation lockless
4. EH completes
ACTION: scsi_eh_flush_done_q() retries scmds or notifies upper
- layer of failure.
+ layer of failure. May be called concurrently but must have
+ a no more than one thread per separate eh_work_q to
+ manipulate the queue locklessly
- scmd is removed from eh_done_q and scmd->eh_entry is cleared
- if retry is necessary, scmd is requeued using
scsi_queue_insert()
- otherwise, scsi_finish_command() is invoked for scmd
+ - zero shost->host_failed
LOCKING: queue or finish function performs appropriate locking
diff --git a/Documentation/security/keys.txt b/Documentation/security/keys.txt
index 20d0571..3849814 100644
--- a/Documentation/security/keys.txt
+++ b/Documentation/security/keys.txt
@@ -826,7 +826,8 @@ The keyctl syscall functions are:
(*) Compute a Diffie-Hellman shared secret or public key
long keyctl(KEYCTL_DH_COMPUTE, struct keyctl_dh_params *params,
- char *buffer, size_t buflen);
+ char *buffer, size_t buflen,
+ void *reserved);
The params struct contains serial numbers for three keys:
@@ -843,6 +844,8 @@ The keyctl syscall functions are:
public key. If the base is the remote public key, the result is
the shared secret.
+ The reserved argument must be set to NULL.
+
The buffer length must be at least the length of the prime, or zero.
If the buffer length is nonzero, the length of the result is
diff --git a/Documentation/x86/intel_mpx.txt b/Documentation/x86/intel_mpx.txt
index 1a5a121..85d0549 100644
--- a/Documentation/x86/intel_mpx.txt
+++ b/Documentation/x86/intel_mpx.txt
@@ -45,7 +45,7 @@ is how we expect the compiler, application and kernel to work together.
MPX-instrumented.
3) The kernel detects that the CPU has MPX, allows the new prctl() to
succeed, and notes the location of the bounds directory. Userspace is
- expected to keep the bounds directory at that locationWe note it
+ expected to keep the bounds directory at that location. We note it
instead of reading it each time because the 'xsave' operation needed
to access the bounds directory register is an expensive operation.
4) If the application needs to spill bounds out of the 4 registers, it
@@ -167,7 +167,7 @@ If a #BR is generated due to a bounds violation caused by MPX.
We need to decode MPX instructions to get violation address and
set this address into extended struct siginfo.
-The _sigfault feild of struct siginfo is extended as follow:
+The _sigfault field of struct siginfo is extended as follow:
87 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
88 struct {
@@ -240,5 +240,5 @@ them at the same bounds table.
This is allowed architecturally. See more information "Intel(R) Architecture
Instruction Set Extensions Programming Reference" (9.3.4).
-However, if users did this, the kernel might be fooled in to unmaping an
+However, if users did this, the kernel might be fooled in to unmapping an
in-use bounds table since it does not recognize sharing.
diff --git a/Documentation/x86/tlb.txt b/Documentation/x86/tlb.txt
index 39d1723..6a0607b 100644
--- a/Documentation/x86/tlb.txt
+++ b/Documentation/x86/tlb.txt
@@ -5,7 +5,7 @@ memory, it has two choices:
from areas other than the one we are trying to flush will be
destroyed and must be refilled later, at some cost.
2. Use the invlpg instruction to invalidate a single page at a
- time. This could potentialy cost many more instructions, but
+ time. This could potentially cost many more instructions, but
it is a much more precise operation, causing no collateral
damage to other TLB entries.
@@ -19,7 +19,7 @@ Which method to do depends on a few things:
work.
3. The size of the TLB. The larger the TLB, the more collateral
damage we do with a full flush. So, the larger the TLB, the
- more attrative an individual flush looks. Data and
+ more attractive an individual flush looks. Data and
instructions have separate TLBs, as do different page sizes.
4. The microarchitecture. The TLB has become a multi-level
cache on modern CPUs, and the global flushes have become more
diff --git a/Documentation/x86/x86_64/machinecheck b/Documentation/x86/x86_64/machinecheck
index b1fb302..d0648a7 100644
--- a/Documentation/x86/x86_64/machinecheck
+++ b/Documentation/x86/x86_64/machinecheck
@@ -36,7 +36,7 @@ between all CPUs.
check_interval
How often to poll for corrected machine check errors, in seconds
- (Note output is hexademical). Default 5 minutes. When the poller
+ (Note output is hexadecimal). Default 5 minutes. When the poller
finds MCEs it triggers an exponential speedup (poll more often) on
the polling interval. When the poller stops finding MCEs, it
triggers an exponential backoff (poll less often) on the polling
diff --git a/MAINTAINERS b/MAINTAINERS
index 7304d2e..8c20323 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -595,6 +595,10 @@ S: Odd Fixes
L: linux-alpha@vger.kernel.org
F: arch/alpha/
+ALPS PS/2 TOUCHPAD DRIVER
+R: Pali Rohár <pali.rohar@gmail.com>
+F: drivers/input/mouse/alps.*
+
ALTERA MAILBOX DRIVER
M: Ley Foon Tan <lftan@altera.com>
L: nios2-dev@lists.rocketboards.org (moderated for non-subscribers)
@@ -1159,6 +1163,7 @@ F: arch/arm/mach-footbridge/
ARM/FREESCALE IMX / MXC ARM ARCHITECTURE
M: Shawn Guo <shawnguo@kernel.org>
M: Sascha Hauer <kernel@pengutronix.de>
+R: Fabio Estevam <fabio.estevam@nxp.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git
@@ -1689,8 +1694,6 @@ S: Maintained
F: drivers/edac/altera_edac.
ARM/STI ARCHITECTURE
-M: Srinivas Kandagatla <srinivas.kandagatla@gmail.com>
-M: Maxime Coquelin <maxime.coquelin@st.com>
M: Patrice Chotard <patrice.chotard@st.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: kernel@stlinux.com
@@ -1723,6 +1726,7 @@ F: drivers/ata/ahci_st.c
ARM/STM32 ARCHITECTURE
M: Maxime Coquelin <mcoquelin.stm32@gmail.com>
+M: Alexandre Torgue <alexandre.torgue@st.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mcoquelin/stm32.git
@@ -2242,7 +2246,8 @@ F: include/net/ax25.h
F: net/ax25/
AZ6007 DVB DRIVER
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@@ -2709,7 +2714,8 @@ F: Documentation/filesystems/btrfs.txt
F: fs/btrfs/
BTTV VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@@ -2773,9 +2779,9 @@ F: include/net/caif/
F: net/caif/
CALGARY x86-64 IOMMU
-M: Muli Ben-Yehuda <muli@il.ibm.com>
-M: "Jon D. Mason" <jdmason@kudzu.us>
-L: discuss@x86-64.org
+M: Muli Ben-Yehuda <mulix@mulix.org>
+M: Jon Mason <jdmason@kudzu.us>
+L: iommu@lists.linux-foundation.org
S: Maintained
F: arch/x86/kernel/pci-calgary_64.c
F: arch/x86/kernel/tce_64.c
@@ -3086,6 +3092,7 @@ M: Stephen Boyd <sboyd@codeaurora.org>
L: linux-clk@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git
S: Maintained
+F: Documentation/devicetree/bindings/clock/
F: drivers/clk/
X: drivers/clk/clkdev.c
F: include/linux/clk-pr*
@@ -3343,7 +3350,8 @@ S: Maintained
F: drivers/media/dvb-frontends/cx24120*
CX88 VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@@ -3773,6 +3781,7 @@ Q: https://patchwork.kernel.org/project/linux-dmaengine/list/
S: Maintained
F: drivers/dma/
F: include/linux/dmaengine.h
+F: Documentation/devicetree/bindings/dma/
F: Documentation/dmaengine/
T: git git://git.infradead.org/users/vkoul/slave-dma.git
@@ -4290,7 +4299,8 @@ F: fs/ecryptfs/
EDAC-CORE
M: Doug Thompson <dougthompson@xmission.com>
M: Borislav Petkov <bp@alien8.de>
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-edac@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git for-next
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac.git linux_next
@@ -4335,7 +4345,8 @@ S: Maintained
F: drivers/edac/e7xxx_edac.c
EDAC-GHES
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-edac@vger.kernel.org
S: Maintained
F: drivers/edac/ghes_edac.c
@@ -4359,19 +4370,22 @@ S: Maintained
F: drivers/edac/i5000_edac.c
EDAC-I5400
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-edac@vger.kernel.org
S: Maintained
F: drivers/edac/i5400_edac.c
EDAC-I7300
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-edac@vger.kernel.org
S: Maintained
F: drivers/edac/i7300_edac.c
EDAC-I7CORE
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-edac@vger.kernel.org
S: Maintained
F: drivers/edac/i7core_edac.c
@@ -4408,7 +4422,8 @@ S: Maintained
F: drivers/edac/r82600_edac.c
EDAC-SBRIDGE
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-edac@vger.kernel.org
S: Maintained
F: drivers/edac/sb_edac.c
@@ -4461,13 +4476,14 @@ S: Orphan
F: fs/efs/
EHEA (IBM pSeries eHEA 10Gb ethernet adapter) DRIVER
-M: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
+M: Douglas Miller <dougmill@linux.vnet.ibm.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/ibm/ehea/
EM28XX VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@@ -6486,6 +6502,7 @@ F: include/uapi/linux/sunrpc/
KERNEL SELFTEST FRAMEWORK
M: Shuah Khan <shuahkh@osg.samsung.com>
+M: Shuah Khan <shuah@kernel.org>
L: linux-kselftest@vger.kernel.org
T: git git://git.kernel.org/pub/scm/shuah/linux-kselftest
S: Maintained
@@ -7357,7 +7374,8 @@ S: Supported
F: drivers/media/pci/netup_unidvb/*
MEDIA INPUT INFRASTRUCTURE (V4L/DVB)
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
P: LinuxTV.org Project
L: linux-media@vger.kernel.org
W: https://linuxtv.org
@@ -7405,7 +7423,7 @@ F: drivers/scsi/megaraid.*
F: drivers/scsi/megaraid/
MELLANOX ETHERNET DRIVER (mlx4_en)
-M: Eugenia Emantayev <eugenia@mellanox.com>
+M: Tariq Toukan <tariqt@mellanox.com>
L: netdev@vger.kernel.org
S: Supported
W: http://www.mellanox.com
@@ -7457,6 +7475,7 @@ Q: http://patchwork.ozlabs.org/project/linux-mtd/list/
T: git git://git.infradead.org/linux-mtd.git
T: git git://git.infradead.org/l2-mtd.git
S: Maintained
+F: Documentation/devicetree/bindings/mtd/
F: drivers/mtd/
F: include/linux/mtd/
F: include/uapi/mtd/
@@ -7989,6 +8008,7 @@ Q: http://patchwork.ozlabs.org/project/netdev/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
S: Odd Fixes
+F: Documentation/devicetree/bindings/net/
F: drivers/net/
F: include/linux/if_*
F: include/linux/netdevice.h
@@ -8007,6 +8027,7 @@ Q: http://patchwork.kernel.org/project/linux-wireless/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git
S: Maintained
+F: Documentation/devicetree/bindings/net/wireless/
F: drivers/net/wireless/
NETXEN (1/10) GbE SUPPORT
@@ -8404,10 +8425,9 @@ F: drivers/i2c/busses/i2c-ocores.c
OPEN FIRMWARE AND FLATTENED DEVICE TREE
M: Rob Herring <robh+dt@kernel.org>
M: Frank Rowand <frowand.list@gmail.com>
-M: Grant Likely <grant.likely@linaro.org>
L: devicetree@vger.kernel.org
W: http://www.devicetree.org/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git
S: Maintained
F: drivers/of/
F: include/linux/of*.h
@@ -8415,12 +8435,10 @@ F: scripts/dtc/
OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
M: Rob Herring <robh+dt@kernel.org>
-M: Pawel Moll <pawel.moll@arm.com>
M: Mark Rutland <mark.rutland@arm.com>
-M: Ian Campbell <ijc+devicetree@hellion.org.uk>
-M: Kumar Gala <galak@codeaurora.org>
L: devicetree@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git
+Q: http://patchwork.ozlabs.org/project/devicetree-bindings/list/
S: Maintained
F: Documentation/devicetree/
F: arch/*/boot/dts/
@@ -8944,6 +8962,8 @@ M: Linus Walleij <linus.walleij@linaro.org>
L: linux-gpio@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git
S: Maintained
+F: Documentation/devicetree/bindings/pinctrl/
+F: Documentation/pinctrl.txt
F: drivers/pinctrl/
F: include/linux/pinctrl/
@@ -9851,7 +9871,8 @@ S: Odd Fixes
F: drivers/media/i2c/saa6588*
SAA7134 VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@@ -10370,7 +10391,8 @@ S: Maintained
F: drivers/media/radio/si4713/radio-usb-si4713.c
SIANO DVB DRIVER
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@@ -11136,7 +11158,8 @@ S: Maintained
F: drivers/media/i2c/tda9840*
TEA5761 TUNER DRIVER
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@@ -11144,7 +11167,8 @@ S: Odd fixes
F: drivers/media/tuners/tea5761.*
TEA5767 TUNER DRIVER
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@@ -11531,7 +11555,8 @@ F: include/linux/shmem_fs.h
F: mm/shmem.c
TM6000 VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@@ -11885,7 +11910,8 @@ F: drivers/usb/common/usb-otg-fsm.c
USB OVER IP DRIVER
M: Valentina Manea <valentina.manea.m@gmail.com>
-M: Shuah Khan <shuah.kh@samsung.com>
+M: Shuah Khan <shuahkh@osg.samsung.com>
+M: Shuah Khan <shuah@kernel.org>
L: linux-usb@vger.kernel.org
S: Maintained
F: Documentation/usb/usbip_protocol.txt
@@ -11956,6 +11982,7 @@ L: linux-usb@vger.kernel.org
W: http://www.linux-usb.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
S: Supported
+F: Documentation/devicetree/bindings/usb/
F: Documentation/usb/
F: drivers/usb/
F: include/linux/usb.h
@@ -12129,6 +12156,7 @@ VIRTIO CORE, NET AND BLOCK DRIVERS
M: "Michael S. Tsirkin" <mst@redhat.com>
L: virtualization@lists.linux-foundation.org
S: Maintained
+F: Documentation/devicetree/bindings/virtio/
F: drivers/virtio/
F: tools/virtio/
F: drivers/net/virtio_net.c
@@ -12517,7 +12545,8 @@ S: Maintained
F: arch/x86/entry/vdso/
XC2028/3028 TUNER DRIVER
-M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
+M: Mauro Carvalho Chehab <mchehab@s-opensource.com>
+M: Mauro Carvalho Chehab <mchehab@kernel.org>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
T: git git://linuxtv.org/media_tree.git
diff --git a/Makefile b/Makefile
index 0f70de6..66da9a3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 7
SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION =
NAME = Psychotic Stoned Sheep
# *DOCUMENTATION*
@@ -363,11 +363,13 @@ CHECK = sparse
CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
-Wbitwise -Wno-return-void $(CF)
+NOSTDINC_FLAGS =
CFLAGS_MODULE =
AFLAGS_MODULE =
LDFLAGS_MODULE =
CFLAGS_KERNEL =
AFLAGS_KERNEL =
+LDFLAGS_vmlinux =
CFLAGS_GCOV = -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized
CFLAGS_KCOV = -fsanitize-coverage=trace-pc
diff --git a/arch/Kconfig b/arch/Kconfig
index d794384..1599629 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -226,8 +226,8 @@ config ARCH_INIT_TASK
config ARCH_TASK_STRUCT_ALLOCATOR
bool
-# Select if arch has its private alloc_thread_info() function
-config ARCH_THREAD_INFO_ALLOCATOR
+# Select if arch has its private alloc_thread_stack() function
+config ARCH_THREAD_STACK_ALLOCATOR
bool
# Select if arch wants to size task_struct dynamically via arch_task_struct_size:
@@ -606,6 +606,9 @@ config HAVE_ARCH_HASH
file which provides platform-specific implementations of some
functions in <linux/hash.h> or fs/namei.c.
+config ISA_BUS_API
+ def_bool ISA
+
#
# ABI hall of shame
#
diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h
index aab14a0..c2ebb6f 100644
--- a/arch/alpha/include/asm/pgalloc.h
+++ b/arch/alpha/include/asm/pgalloc.h
@@ -40,7 +40,7 @@ pgd_free(struct mm_struct *mm, pgd_t *pgd)
static inline pmd_t *
pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
- pmd_t *ret = (pmd_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
+ pmd_t *ret = (pmd_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
return ret;
}
@@ -53,7 +53,7 @@ pmd_free(struct mm_struct *mm, pmd_t *pmd)
static inline pte_t *
pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
{
- pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
+ pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
return pte;
}
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 0dcbacf..0d3e59f 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -61,7 +61,7 @@ config RWSEM_GENERIC_SPINLOCK
def_bool y
config ARCH_DISCONTIGMEM_ENABLE
- def_bool y
+ def_bool n
config ARCH_FLATMEM_ENABLE
def_bool y
@@ -186,9 +186,6 @@ if SMP
config ARC_HAS_COH_CACHES
def_bool n
-config ARC_HAS_REENTRANT_IRQ_LV2
- def_bool n
-
config ARC_MCIP
bool "ARConnect Multicore IP (MCIP) Support "
depends on ISA_ARCV2
@@ -366,25 +363,10 @@ config NODES_SHIFT
if ISA_ARCOMPACT
config ARC_COMPACT_IRQ_LEVELS
- bool "ARCompact IRQ Priorities: High(2)/Low(1)"
+ bool "Setup Timer IRQ as high Priority"
default n
- # Timer HAS to be high priority, for any other high priority config
- select ARC_IRQ3_LV2
# if SMP, LV2 enabled ONLY if ARC implementation has LV2 re-entrancy
- depends on !SMP || ARC_HAS_REENTRANT_IRQ_LV2
-
-if ARC_COMPACT_IRQ_LEVELS
-
-config ARC_IRQ3_LV2
- bool
-
-config ARC_IRQ5_LV2
- bool
-
-config ARC_IRQ6_LV2
- bool
-
-endif #ARC_COMPACT_IRQ_LEVELS
+ depends on !SMP
config ARC_FPU_SAVE_RESTORE
bool "Enable FPU state persistence across context switch"
@@ -407,11 +389,6 @@ config ARC_HAS_LLSC
default y
depends on !ARC_CANT_LLSC
-config ARC_STAR_9000923308
- bool "Workaround for llock/scond livelock"
- default n
- depends on ISA_ARCV2 && SMP && ARC_HAS_LLSC
-
config ARC_HAS_SWAPE
bool "Insn: SWAPE (endian-swap)"
default y
@@ -471,7 +448,7 @@ config LINUX_LINK_BASE
config HIGHMEM
bool "High Memory Support"
- select DISCONTIGMEM
+ select ARCH_DISCONTIGMEM_ENABLE
help
With ARC 2G:2G address split, only upper 2G is directly addressable by
kernel. Enable this to potentially allow access to rest of 2G and PAE
diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index 02fabef..85814e7 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -66,8 +66,6 @@ endif
endif
-cflags-$(CONFIG_ARC_DW2_UNWIND) += -fasynchronous-unwind-tables
-
# By default gcc 4.8 generates dwarf4 which kernel unwinder can't grok
ifeq ($(atleast_gcc48),y)
cflags-$(CONFIG_ARC_DW2_UNWIND) += -gdwarf-2
@@ -127,7 +125,7 @@ libs-y += arch/arc/lib/ $(LIBGCC)
boot := arch/arc/boot
-#default target for make without any arguements.
+#default target for make without any arguments.
KBUILD_IMAGE := bootpImage
all: $(KBUILD_IMAGE)
diff --git a/arch/arc/boot/dts/abilis_tb100.dtsi b/arch/arc/boot/dts/abilis_tb100.dtsi
index 3942634..02410b2 100644
--- a/arch/arc/boot/dts/abilis_tb100.dtsi
+++ b/arch/arc/boot/dts/abilis_tb100.dtsi
@@ -23,8 +23,6 @@
/ {
- clock-frequency = <500000000>; /* 500 MHZ */
-
soc100 {
bus-frequency = <166666666>;
diff --git a/arch/arc/boot/dts/abilis_tb101.dtsi b/arch/arc/boot/dts/abilis_tb101.dtsi
index b046722..f9e7686 100644
--- a/arch/arc/boot/dts/abilis_tb101.dtsi
+++ b/arch/arc/boot/dts/abilis_tb101.dtsi
@@ -23,8 +23,6 @@
/ {
- clock-frequency = <500000000>; /* 500 MHZ */
-
soc100 {
bus-frequency = <166666666>;
diff --git a/arch/arc/boot/dts/axc001.dtsi b/arch/arc/boot/dts/axc001.dtsi
index 3e02f15..6ae2c47 100644
--- a/arch/arc/boot/dts/axc001.dtsi
+++ b/arch/arc/boot/dts/axc001.dtsi
@@ -15,7 +15,6 @@
/ {
compatible = "snps,arc";
- clock-frequency = <750000000>; /* 750 MHZ */
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi
index 378e455..14df46f 100644
--- a/arch/arc/boot/dts/axc003.dtsi
+++ b/arch/arc/boot/dts/axc003.dtsi
@@ -14,7 +14,6 @@
/ {
compatible = "snps,arc";
- clock-frequency = <90000000>;
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arc/boot/dts/axc003_idu.dtsi b/arch/arc/boot/dts/axc003_idu.dtsi
index 64c94b2..3d6cfa3 100644
--- a/arch/arc/boot/dts/axc003_idu.dtsi
+++ b/arch/arc/boot/dts/axc003_idu.dtsi
@@ -14,7 +14,6 @@
/ {
compatible = "snps,arc";
- clock-frequency = <90000000>;
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arc/boot/dts/eznps.dts b/arch/arc/boot/dts/eznps.dts
index b89f6c3..1e0d225 100644
--- a/arch/arc/boot/dts/eznps.dts
+++ b/arch/arc/boot/dts/eznps.dts
@@ -18,7 +18,6 @@
/ {
compatible = "ezchip,arc-nps";
- clock-frequency = <83333333>; /* 83.333333 MHZ */
#address-cells = <1>;
#size-cells = <1>;
interrupt-parent = <&intc>;
diff --git a/arch/arc/boot/dts/nsim_700.dts b/arch/arc/boot/dts/nsim_700.dts
index 5d5e373..6397051 100644
--- a/arch/arc/boot/dts/nsim_700.dts
+++ b/arch/arc/boot/dts/nsim_700.dts
@@ -11,7 +11,6 @@
/ {
compatible = "snps,nsim";
- clock-frequency = <80000000>; /* 80 MHZ */
#address-cells = <1>;
#size-cells = <1>;
interrupt-parent = <&core_intc>;
diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts
index b5b060a..763d66c 100644
--- a/arch/arc/boot/dts/nsimosci.dts
+++ b/arch/arc/boot/dts/nsimosci.dts
@@ -11,7 +11,6 @@
/ {
compatible = "snps,nsimosci";
- clock-frequency = <20000000>; /* 20 MHZ */
#address-cells = <1>;
#size-cells = <1>;
interrupt-parent = <&core_intc>;
diff --git a/arch/arc/boot/dts/nsimosci_hs.dts b/arch/arc/boot/dts/nsimosci_hs.dts
index 325e730..4eb97c5 100644
--- a/arch/arc/boot/dts/nsimosci_hs.dts
+++ b/arch/arc/boot/dts/nsimosci_hs.dts
@@ -11,7 +11,6 @@
/ {
compatible = "snps,nsimosci_hs";
- clock-frequency = <20000000>; /* 20 MHZ */
#address-cells = <1>;
#size-cells = <1>;
interrupt-parent = <&core_intc>;
diff --git a/arch/arc/boot/dts/nsimosci_hs_idu.dts b/arch/arc/boot/dts/nsimosci_hs_idu.dts
index ee03d71..853f897 100644
--- a/arch/arc/boot/dts/nsimosci_hs_idu.dts
+++ b/arch/arc/boot/dts/nsimosci_hs_idu.dts
@@ -11,7 +11,6 @@
/ {
compatible = "snps,nsimosci_hs";
- clock-frequency = <5000000>; /* 5 MHZ */
#address-cells = <1>;
#size-cells = <1>;
interrupt-parent = <&core_intc>;
diff --git a/arch/arc/boot/dts/skeleton.dtsi b/arch/arc/boot/dts/skeleton.dtsi
index 3a10cc6..65808fe 100644
--- a/arch/arc/boot/dts/skeleton.dtsi
+++ b/arch/arc/boot/dts/skeleton.dtsi
@@ -13,7 +13,6 @@
/ {
compatible = "snps,arc";
- clock-frequency = <80000000>; /* 80 MHZ */
#address-cells = <1>;
#size-cells = <1>;
chosen { };
diff --git a/arch/arc/boot/dts/skeleton_hs.dtsi b/arch/arc/boot/dts/skeleton_hs.dtsi
index 71fd308..2dfe803 100644
--- a/arch/arc/boot/dts/skeleton_hs.dtsi
+++ b/arch/arc/boot/dts/skeleton_hs.dtsi
@@ -8,7 +8,6 @@
/ {
compatible = "snps,arc";
- clock-frequency = <80000000>; /* 80 MHZ */
#address-cells = <1>;
#size-cells = <1>;
chosen { };
diff --git a/arch/arc/boot/dts/skeleton_hs_idu.dtsi b/arch/arc/boot/dts/skeleton_hs_idu.dtsi
index d1cb25a..4c11079 100644
--- a/arch/arc/boot/dts/skeleton_hs_idu.dtsi
+++ b/arch/arc/boot/dts/skeleton_hs_idu.dtsi
@@ -8,7 +8,6 @@
/ {
compatible = "snps,arc";
- clock-frequency = <80000000>; /* 80 MHZ */
#address-cells = <1>;
#size-cells = <1>;
chosen { };
diff --git a/arch/arc/boot/dts/vdk_axc003.dtsi b/arch/arc/boot/dts/vdk_axc003.dtsi
index ad4ee43..0fd6ba9 100644
--- a/arch/arc/boot/dts/vdk_axc003.dtsi
+++ b/arch/arc/boot/dts/vdk_axc003.dtsi
@@ -14,7 +14,6 @@
/ {
compatible = "snps,arc";
- clock-frequency = <50000000>;
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arc/boot/dts/vdk_axc003_idu.dtsi b/arch/arc/boot/dts/vdk_axc003_idu.dtsi
index a3cb626..82214cd 100644
--- a/arch/arc/boot/dts/vdk_axc003_idu.dtsi
+++ b/arch/arc/boot/dts/vdk_axc003_idu.dtsi
@@ -15,7 +15,6 @@
/ {
compatible = "snps,arc";
- clock-frequency = <50000000>;
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h
index 5f3dcbb..dd68399 100644
--- a/arch/arc/include/asm/atomic.h
+++ b/arch/arc/include/asm/atomic.h
@@ -25,50 +25,17 @@
#define atomic_set(v, i) WRITE_ONCE(((v)->counter), (i))
-#ifdef CONFIG_ARC_STAR_9000923308
-
-#define SCOND_FAIL_RETRY_VAR_DEF \
- unsigned int delay = 1, tmp; \
-
-#define SCOND_FAIL_RETRY_ASM \
- " bz 4f \n" \
- " ; --- scond fail delay --- \n" \
- " mov %[tmp], %[delay] \n" /* tmp = delay */ \
- "2: brne.d %[tmp], 0, 2b \n" /* while (tmp != 0) */ \
- " sub %[tmp], %[tmp], 1 \n" /* tmp-- */ \
- " rol %[delay], %[delay] \n" /* delay *= 2 */ \
- " b 1b \n" /* start over */ \
- "4: ; --- success --- \n" \
-
-#define SCOND_FAIL_RETRY_VARS \
- ,[delay] "+&r" (delay),[tmp] "=&r" (tmp) \
-
-#else /* !CONFIG_ARC_STAR_9000923308 */
-
-#define SCOND_FAIL_RETRY_VAR_DEF
-
-#define SCOND_FAIL_RETRY_ASM \
- " bnz 1b \n" \
-
-#define SCOND_FAIL_RETRY_VARS
-
-#endif
-
#define ATOMIC_OP(op, c_op, asm_op) \
static inline void atomic_##op(int i, atomic_t *v) \
{ \
- unsigned int val; \
- SCOND_FAIL_RETRY_VAR_DEF \
+ unsigned int val; \
\
__asm__ __volatile__( \
"1: llock %[val], [%[ctr]] \n" \
" " #asm_op " %[val], %[val], %[i] \n" \
" scond %[val], [%[ctr]] \n" \
- " \n" \
- SCOND_FAIL_RETRY_ASM \
- \
+ " bnz 1b \n" \
: [val] "=&r" (val) /* Early clobber to prevent reg reuse */ \
- SCOND_FAIL_RETRY_VARS \
: [ctr] "r" (&v->counter), /* Not "m": llock only supports reg direct addr mode */ \
[i] "ir" (i) \
: "cc"); \
@@ -77,8 +44,7 @@ static inline void atomic_##op(int i, atomic_t *v) \
#define ATOMIC_OP_RETURN(op, c_op, asm_op) \
static inline int atomic_##op##_return(int i, atomic_t *v) \
{ \
- unsigned int val; \
- SCOND_FAIL_RETRY_VAR_DEF \
+ unsigned int val; \
\
/* \
* Explicit full memory barrier needed before/after as \
@@ -90,11 +56,8 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
"1: llock %[val], [%[ctr]] \n" \
" " #asm_op " %[val], %[val], %[i] \n" \
" scond %[val], [%[ctr]] \n" \
- " \n" \
- SCOND_FAIL_RETRY_ASM \
- \
+ " bnz 1b \n" \
: [val] "=&r" (val) \
- SCOND_FAIL_RETRY_VARS \
: [ctr] "r" (&v->counter), \
[i] "ir" (i) \
: "cc"); \
diff --git a/arch/arc/include/asm/entry-compact.h b/arch/arc/include/asm/entry-compact.h
index e0e1faf..14c310f 100644
--- a/arch/arc/include/asm/entry-compact.h
+++ b/arch/arc/include/asm/entry-compact.h
@@ -76,8 +76,8 @@
* We need to be a bit more cautious here. What if a kernel bug in
* L1 ISR, caused SP to go whaco (some small value which looks like
* USER stk) and then we take L2 ISR.
- * Above brlo alone would treat it as a valid L1-L2 sceanrio
- * instead of shouting alound
+ * Above brlo alone would treat it as a valid L1-L2 scenario
+ * instead of shouting around
* The only feasible way is to make sure this L2 happened in
* L1 prelogue ONLY i.e. ilink2 is less than a pre-set marker in
* L1 ISR before it switches stack
diff --git a/arch/arc/include/asm/mmu_context.h b/arch/arc/include/asm/mmu_context.h
index 1fd467e..b0b87f2 100644
--- a/arch/arc/include/asm/mmu_context.h
+++ b/arch/arc/include/asm/mmu_context.h
@@ -83,7 +83,7 @@ static inline void get_new_mmu_context(struct mm_struct *mm)
local_flush_tlb_all();
/*
- * Above checke for rollover of 8 bit ASID in 32 bit container.
+ * Above check for rollover of 8 bit ASID in 32 bit container.
* If the container itself wrapped around, set it to a non zero
* "generation" to distinguish from no context
*/
diff --git a/arch/arc/include/asm/pgalloc.h b/arch/arc/include/asm/pgalloc.h
index 86ed671..3749234 100644
--- a/arch/arc/include/asm/pgalloc.h
+++ b/arch/arc/include/asm/pgalloc.h
@@ -95,7 +95,7 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
{
pte_t *pte;
- pte = (pte_t *) __get_free_pages(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO,
+ pte = (pte_t *) __get_free_pages(GFP_KERNEL | __GFP_ZERO,
__get_order_pte());
return pte;
@@ -107,7 +107,7 @@ pte_alloc_one(struct mm_struct *mm, unsigned long address)
pgtable_t pte_pg;
struct page *page;
- pte_pg = (pgtable_t)__get_free_pages(GFP_KERNEL | __GFP_REPEAT, __get_order_pte());
+ pte_pg = (pgtable_t)__get_free_pages(GFP_KERNEL, __get_order_pte());
if (!pte_pg)
return 0;
memzero((void *)pte_pg, PTRS_PER_PTE * sizeof(pte_t));
diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
index 034bbdc..858f98e 100644
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -47,7 +47,7 @@
* Page Tables are purely for Linux VM's consumption and the bits below are
* suited to that (uniqueness). Hence some are not implemented in the TLB and
* some have different value in TLB.
- * e.g. MMU v2: K_READ bit is 8 and so is GLOBAL (possible becoz they live in
+ * e.g. MMU v2: K_READ bit is 8 and so is GLOBAL (possible because they live in
* seperate PD0 and PD1, which combined forms a translation entry)
* while for PTE perspective, they are 8 and 9 respectively
* with MMU v3: Most bits (except SHARED) represent the exact hardware pos
diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h
index f904899..16b630f 100644
--- a/arch/arc/include/asm/processor.h
+++ b/arch/arc/include/asm/processor.h
@@ -78,7 +78,7 @@ struct task_struct;
#define KSTK_ESP(tsk) (task_pt_regs(tsk)->sp)
/*
- * Where abouts of Task's sp, fp, blink when it was last seen in kernel mode.
+ * Where about of Task's sp, fp, blink when it was last seen in kernel mode.
* Look in process.c for details of kernel stack layout
*/
#define TSK_K_ESP(tsk) (tsk->thread.ksp)
diff --git a/arch/arc/include/asm/smp.h b/arch/arc/include/asm/smp.h
index 9913804..89fdd1b 100644
--- a/arch/arc/include/asm/smp.h
+++ b/arch/arc/include/asm/smp.h
@@ -86,7 +86,7 @@ static inline const char *arc_platform_smp_cpuinfo(void)
* (1) These insn were introduced only in 4.10 release. So for older released
* support needed.
*
- * (2) In a SMP setup, the LLOCK/SCOND atomiticity across CPUs needs to be
+ * (2) In a SMP setup, the LLOCK/SCOND atomicity across CPUs needs to be
* gaurantted by the platform (not something which core handles).
* Assuming a platform won't, SMP Linux needs to use spinlocks + local IRQ
* disabling for atomicity.
diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h
index 800e7c4..cded4a9 100644
--- a/arch/arc/include/asm/spinlock.h
+++ b/arch/arc/include/asm/spinlock.h
@@ -20,11 +20,6 @@
#ifdef CONFIG_ARC_HAS_LLSC
-/*
- * A normal LLOCK/SCOND based system, w/o need for livelock workaround
- */
-#ifndef CONFIG_ARC_STAR_9000923308
-
static inline void arch_spin_lock(arch_spinlock_t *lock)
{
unsigned int val;
@@ -238,293 +233,6 @@ static inline void arch_write_unlock(arch_rwlock_t *rw)
smp_mb();
}
-#else /* CONFIG_ARC_STAR_9000923308 */
-
-/*
- * HS38x4 could get into a LLOCK/SCOND livelock in case of multiple overlapping
- * coherency transactions in the SCU. The exclusive line state keeps rotating
- * among contenting cores leading to a never ending cycle. So break the cycle
- * by deferring the retry of failed exclusive access (SCOND). The actual delay
- * needed is function of number of contending cores as well as the unrelated
- * coherency traffic from other cores. To keep the code simple, start off with
- * small delay of 1 which would suffice most cases and in case of contention
- * double the delay. Eventually the delay is sufficient such that the coherency
- * pipeline is drained, thus a subsequent exclusive access would succeed.
- */
-
-#define SCOND_FAIL_RETRY_VAR_DEF \
- unsigned int delay, tmp; \
-
-#define SCOND_FAIL_RETRY_ASM \
- " ; --- scond fail delay --- \n" \
- " mov %[tmp], %[delay] \n" /* tmp = delay */ \
- "2: brne.d %[tmp], 0, 2b \n" /* while (tmp != 0) */ \
- " sub %[tmp], %[tmp], 1 \n" /* tmp-- */ \
- " rol %[delay], %[delay] \n" /* delay *= 2 */ \
- " b 1b \n" /* start over */ \
- " \n" \
- "4: ; --- done --- \n" \
-
-#define SCOND_FAIL_RETRY_VARS \
- ,[delay] "=&r" (delay), [tmp] "=&r" (tmp) \
-
-static inline void arch_spin_lock(arch_spinlock_t *lock)
-{
- unsigned int val;
- SCOND_FAIL_RETRY_VAR_DEF;
-
- smp_mb();
-
- __asm__ __volatile__(
- "0: mov %[delay], 1 \n"
- "1: llock %[val], [%[slock]] \n"
- " breq %[val], %[LOCKED], 0b \n" /* spin while LOCKED */
- " scond %[LOCKED], [%[slock]] \n" /* acquire */
- " bz 4f \n" /* done */
- " \n"
- SCOND_FAIL_RETRY_ASM
-
- : [val] "=&r" (val)
- SCOND_FAIL_RETRY_VARS
- : [slock] "r" (&(lock->slock)),
- [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__)
- : "memory", "cc");
-
- smp_mb();
-}
-
-/* 1 - lock taken successfully */
-static inline int arch_spin_trylock(arch_spinlock_t *lock)
-{
- unsigned int val, got_it = 0;
- SCOND_FAIL_RETRY_VAR_DEF;
-
- smp_mb();
-
- __asm__ __volatile__(
- "0: mov %[delay], 1 \n"
- "1: llock %[val], [%[slock]] \n"
- " breq %[val], %[LOCKED], 4f \n" /* already LOCKED, just bail */
- " scond %[LOCKED], [%[slock]] \n" /* acquire */
- " bz.d 4f \n"
- " mov.z %[got_it], 1 \n" /* got it */
- " \n"
- SCOND_FAIL_RETRY_ASM
-
- : [val] "=&r" (val),
- [got_it] "+&r" (got_it)
- SCOND_FAIL_RETRY_VARS
- : [slock] "r" (&(lock->slock)),
- [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__)
- : "memory", "cc");
-
- smp_mb();
-
- return got_it;
-}
-
-static inline void arch_spin_unlock(arch_spinlock_t *lock)
-{
- smp_mb();
-
- lock->slock = __ARCH_SPIN_LOCK_UNLOCKED__;
-
- smp_mb();
-}
-
-/*
- * Read-write spinlocks, allowing multiple readers but only one writer.
- * Unfair locking as Writers could be starved indefinitely by Reader(s)
- */
-
-static inline void arch_read_lock(arch_rwlock_t *rw)
-{
- unsigned int val;
- SCOND_FAIL_RETRY_VAR_DEF;
-
- smp_mb();
-
- /*
- * zero means writer holds the lock exclusively, deny Reader.
- * Otherwise grant lock to first/subseq reader
- *
- * if (rw->counter > 0) {
- * rw->counter--;
- * ret = 1;
- * }
- */
-
- __asm__ __volatile__(
- "0: mov %[delay], 1 \n"
- "1: llock %[val], [%[rwlock]] \n"
- " brls %[val], %[WR_LOCKED], 0b\n" /* <= 0: spin while write locked */
- " sub %[val], %[val], 1 \n" /* reader lock */
- " scond %[val], [%[rwlock]] \n"
- " bz 4f \n" /* done */
- " \n"
- SCOND_FAIL_RETRY_ASM
-
- : [val] "=&r" (val)
- SCOND_FAIL_RETRY_VARS
- : [rwlock] "r" (&(rw->counter)),
- [WR_LOCKED] "ir" (0)
- : "memory", "cc");
-
- smp_mb();
-}
-
-/* 1 - lock taken successfully */
-static inline int arch_read_trylock(arch_rwlock_t *rw)
-{
- unsigned int val, got_it = 0;
- SCOND_FAIL_RETRY_VAR_DEF;
-
- smp_mb();
-
- __asm__ __volatile__(
- "0: mov %[delay], 1 \n"
- "1: llock %[val], [%[rwlock]] \n"
- " brls %[val], %[WR_LOCKED], 4f\n" /* <= 0: already write locked, bail */
- " sub %[val], %[val], 1 \n" /* counter-- */
- " scond %[val], [%[rwlock]] \n"
- " bz.d 4f \n"
- " mov.z %[got_it], 1 \n" /* got it */
- " \n"
- SCOND_FAIL_RETRY_ASM
-
- : [val] "=&r" (val),
- [got_it] "+&r" (got_it)
- SCOND_FAIL_RETRY_VARS
- : [rwlock] "r" (&(rw->counter)),
- [WR_LOCKED] "ir" (0)
- : "memory", "cc");
-
- smp_mb();
-
- return got_it;
-}
-
-static inline void arch_write_lock(arch_rwlock_t *rw)
-{
- unsigned int val;
- SCOND_FAIL_RETRY_VAR_DEF;
-
- smp_mb();
-
- /*
- * If reader(s) hold lock (lock < __ARCH_RW_LOCK_UNLOCKED__),
- * deny writer. Otherwise if unlocked grant to writer
- * Hence the claim that Linux rwlocks are unfair to writers.
- * (can be starved for an indefinite time by readers).
- *
- * if (rw->counter == __ARCH_RW_LOCK_UNLOCKED__) {
- * rw->counter = 0;
- * ret = 1;
- * }
- */
-
- __asm__ __volatile__(
- "0: mov %[delay], 1 \n"
- "1: llock %[val], [%[rwlock]] \n"
- " brne %[val], %[UNLOCKED], 0b \n" /* while !UNLOCKED spin */
- " mov %[val], %[WR_LOCKED] \n"
- " scond %[val], [%[rwlock]] \n"
- " bz 4f \n"
- " \n"
- SCOND_FAIL_RETRY_ASM
-
- : [val] "=&r" (val)
- SCOND_FAIL_RETRY_VARS
- : [rwlock] "r" (&(rw->counter)),
- [UNLOCKED] "ir" (__ARCH_RW_LOCK_UNLOCKED__),
- [WR_LOCKED] "ir" (0)
- : "memory", "cc");
-
- smp_mb();
-}
-
-/* 1 - lock taken successfully */
-static inline int arch_write_trylock(arch_rwlock_t *rw)
-{
- unsigned int val, got_it = 0;
- SCOND_FAIL_RETRY_VAR_DEF;
-
- smp_mb();
-
- __asm__ __volatile__(
- "0: mov %[delay], 1 \n"
- "1: llock %[val], [%[rwlock]] \n"
- " brne %[val], %[UNLOCKED], 4f \n" /* !UNLOCKED, bail */
- " mov %[val], %[WR_LOCKED] \n"
- " scond %[val], [%[rwlock]] \n"
- " bz.d 4f \n"
- " mov.z %[got_it], 1 \n" /* got it */
- " \n"
- SCOND_FAIL_RETRY_ASM
-
- : [val] "=&r" (val),
- [got_it] "+&r" (got_it)
- SCOND_FAIL_RETRY_VARS
- : [rwlock] "r" (&(rw->counter)),
- [UNLOCKED] "ir" (__ARCH_RW_LOCK_UNLOCKED__),
- [WR_LOCKED] "ir" (0)
- : "memory", "cc");
-
- smp_mb();
-
- return got_it;
-}
-
-static inline void arch_read_unlock(arch_rwlock_t *rw)
-{
- unsigned int val;
-
- smp_mb();
-
- /*
- * rw->counter++;
- */
- __asm__ __volatile__(
- "1: llock %[val], [%[rwlock]] \n"
- " add %[val], %[val], 1 \n"
- " scond %[val], [%[rwlock]] \n"
- " bnz 1b \n"
- " \n"
- : [val] "=&r" (val)
- : [rwlock] "r" (&(rw->counter))
- : "memory", "cc");
-
- smp_mb();
-}
-
-static inline void arch_write_unlock(arch_rwlock_t *rw)
-{
- unsigned int val;
-
- smp_mb();
-
- /*
- * rw->counter = __ARCH_RW_LOCK_UNLOCKED__;
- */
- __asm__ __volatile__(
- "1: llock %[val], [%[rwlock]] \n"
- " scond %[UNLOCKED], [%[rwlock]]\n"
- " bnz 1b \n"
- " \n"
- : [val] "=&r" (val)
- : [rwlock] "r" (&(rw->counter)),
- [UNLOCKED] "r" (__ARCH_RW_LOCK_UNLOCKED__)
- : "memory", "cc");
-
- smp_mb();
-}
-
-#undef SCOND_FAIL_RETRY_VAR_DEF
-#undef SCOND_FAIL_RETRY_ASM
-#undef SCOND_FAIL_RETRY_VARS
-
-#endif /* CONFIG_ARC_STAR_9000923308 */
-
#else /* !CONFIG_ARC_HAS_LLSC */
static inline void arch_spin_lock(arch_spinlock_t *lock)
diff --git a/arch/arc/include/asm/thread_info.h b/arch/arc/include/asm/thread_info.h
index 3af6745..2d79e52 100644
--- a/arch/arc/include/asm/thread_info.h
+++ b/arch/arc/include/asm/thread_info.h
@@ -103,7 +103,7 @@ static inline __attribute_const__ struct thread_info *current_thread_info(void)
/*
* _TIF_ALLWORK_MASK includes SYSCALL_TRACE, but we don't need it.
- * SYSCALL_TRACE is anways seperately/unconditionally tested right after a
+ * SYSCALL_TRACE is anyway seperately/unconditionally tested right after a
* syscall, so all that reamins to be tested is _TIF_WORK_MASK
*/
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index d1da603..a78d567 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -32,7 +32,7 @@
#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
/*
- * Algorthmically, for __user_ok() we want do:
+ * Algorithmically, for __user_ok() we want do:
* (start < TASK_SIZE) && (start+len < TASK_SIZE)
* where TASK_SIZE could either be retrieved from thread_info->addr_limit or
* emitted directly in code.
diff --git a/arch/arc/include/uapi/asm/swab.h b/arch/arc/include/uapi/asm/swab.h
index 095599a..71f3918 100644
--- a/arch/arc/include/uapi/asm/swab.h
+++ b/arch/arc/include/uapi/asm/swab.h
@@ -74,7 +74,7 @@
__tmp ^ __in; \
})
-#elif (ARC_BSWAP_TYPE == 2) /* Custom single cycle bwap instruction */
+#elif (ARC_BSWAP_TYPE == 2) /* Custom single cycle bswap instruction */
#define __arch_swab32(x) \
({ \
diff --git a/arch/arc/kernel/entry-compact.S b/arch/arc/kernel/entry-compact.S
index 0cb0aba..98812c1 100644
--- a/arch/arc/kernel/entry-compact.S
+++ b/arch/arc/kernel/entry-compact.S
@@ -91,27 +91,13 @@ VECTOR mem_service ; 0x8, Mem exception (0x1)
VECTOR instr_service ; 0x10, Instrn Error (0x2)
; ******************** Device ISRs **********************
-#ifdef CONFIG_ARC_IRQ3_LV2
-VECTOR handle_interrupt_level2
-#else
-VECTOR handle_interrupt_level1
-#endif
-
-VECTOR handle_interrupt_level1
-
-#ifdef CONFIG_ARC_IRQ5_LV2
-VECTOR handle_interrupt_level2
-#else
-VECTOR handle_interrupt_level1
-#endif
-
-#ifdef CONFIG_ARC_IRQ6_LV2
+#ifdef CONFIG_ARC_COMPACT_IRQ_LEVELS
VECTOR handle_interrupt_level2
#else
VECTOR handle_interrupt_level1
#endif
-.rept 25
+.rept 28
VECTOR handle_interrupt_level1 ; Other devices
.endr
diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c
index c5cceca..ce9deb9 100644
--- a/arch/arc/kernel/intc-compact.c
+++ b/arch/arc/kernel/intc-compact.c
@@ -28,10 +28,8 @@ void arc_init_IRQ(void)
{
int level_mask = 0;
- /* setup any high priority Interrupts (Level2 in ARCompact jargon) */
- level_mask |= IS_ENABLED(CONFIG_ARC_IRQ3_LV2) << 3;
- level_mask |= IS_ENABLED(CONFIG_ARC_IRQ5_LV2) << 5;
- level_mask |= IS_ENABLED(CONFIG_ARC_IRQ6_LV2) << 6;
+ /* Is timer high priority Interrupt (Level2 in ARCompact jargon) */
+ level_mask |= IS_ENABLED(CONFIG_ARC_COMPACT_IRQ_LEVELS) << TIMER0_IRQ;
/*
* Write to register, even if no LV2 IRQs configured to reset it
diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index 6fd4802..08f03d9 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -108,7 +108,7 @@ static void arc_perf_event_update(struct perf_event *event,
int64_t delta = new_raw_count - prev_raw_count;
/*
- * We don't afaraid of hwc->prev_count changing beneath our feet
+ * We aren't afraid of hwc->prev_count changing beneath our feet
* because there's no way for us to re-enter this function anytime.
*/
local64_set(&hwc->prev_count, new_raw_count);
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index f63b8bf..2ee7a4d 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -392,7 +392,7 @@ void __init setup_arch(char **cmdline_p)
/*
* If we are here, it is established that @uboot_arg didn't
* point to DT blob. Instead if u-boot says it is cmdline,
- * Appent to embedded DT cmdline.
+ * append to embedded DT cmdline.
* setup_machine_fdt() would have populated @boot_command_line
*/
if (uboot_tag == 1) {
diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c
index 004b7f0..6cb3736 100644
--- a/arch/arc/kernel/signal.c
+++ b/arch/arc/kernel/signal.c
@@ -34,7 +34,7 @@
* -ViXS were still seeing crashes when using insmod to load drivers.
* It turned out that the code to change Execute permssions for TLB entries
* of user was not guarded for interrupts (mod_tlb_permission)
- * This was cauing TLB entries to be overwritten on unrelated indexes
+ * This was causing TLB entries to be overwritten on unrelated indexes
*
* Vineetg: July 15th 2008: Bug #94183
* -Exception happens in Delay slot of a JMP, and before user space resumes,
diff --git a/arch/arc/kernel/stacktrace.c b/arch/arc/kernel/stacktrace.c
index e0efff1..b9192a6 100644
--- a/arch/arc/kernel/stacktrace.c
+++ b/arch/arc/kernel/stacktrace.c
@@ -142,7 +142,7 @@ arc_unwind_core(struct task_struct *tsk, struct pt_regs *regs,
* prelogue is setup (callee regs saved and then fp set and not other
* way around
*/
- pr_warn("CONFIG_ARC_DW2_UNWIND needs to be enabled\n");
+ pr_warn_once("CONFIG_ARC_DW2_UNWIND needs to be enabled\n");
return 0;
#endif
diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c
index a6f91e8..934150e 100644
--- a/arch/arc/kernel/troubleshoot.c
+++ b/arch/arc/kernel/troubleshoot.c
@@ -276,7 +276,7 @@ static int tlb_stats_open(struct inode *inode, struct file *file)
return 0;
}
-/* called on user read(): display the couters */
+/* called on user read(): display the counters */
static ssize_t tlb_stats_output(struct file *file, /* file descriptor */
char __user *user_buf, /* user buffer */
size_t len, /* length of buffer */
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index 9e5eddb..5a294b2 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -215,7 +215,7 @@ slc_chk:
* ------------------
* This ver of MMU supports variable page sizes (1k-16k): although Linux will
* only support 8k (default), 16k and 4k.
- * However from hardware perspective, smaller page sizes aggrevate aliasing
+ * However from hardware perspective, smaller page sizes aggravate aliasing
* meaning more vaddr bits needed to disambiguate the cache-line-op ;
* the existing scheme of piggybacking won't work for certain configurations.
* Two new registers IC_PTAG and DC_PTAG inttoduced.
@@ -302,7 +302,7 @@ void __cache_line_loop_v3(phys_addr_t paddr, unsigned long vaddr,
/*
* This is technically for MMU v4, using the MMU v3 programming model
- * Special work for HS38 aliasing I-cache configuratino with PAE40
+ * Special work for HS38 aliasing I-cache configuration with PAE40
* - upper 8 bits of paddr need to be written into PTAG_HI
* - (and needs to be written before the lower 32 bits)
* Note that PTAG_HI is hoisted outside the line loop
@@ -936,7 +936,7 @@ void arc_cache_init(void)
ic->ver, CONFIG_ARC_MMU_VER);
/*
- * In MMU v4 (HS38x) the alising icache config uses IVIL/PTAG
+ * In MMU v4 (HS38x) the aliasing icache config uses IVIL/PTAG
* pair to provide vaddr/paddr respectively, just as in MMU v3
*/
if (is_isa_arcv2() && ic->alias)
diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c
index 8c8e36f..73d7e4c 100644
--- a/arch/arc/mm/dma.c
+++ b/arch/arc/mm/dma.c
@@ -10,7 +10,7 @@
* DMA Coherent API Notes
*
* I/O is inherently non-coherent on ARC. So a coherent DMA buffer is
- * implemented by accessintg it using a kernel virtual address, with
+ * implemented by accessing it using a kernel virtual address, with
* Cache bit off in the TLB entry.
*
* The default DMA address == Phy address which is 0x8000_0000 based.
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 06b6c2d..414b427 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -741,6 +741,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
sun7i-a20-olimex-som-evb.dtb \
sun7i-a20-olinuxino-lime.dtb \
sun7i-a20-olinuxino-lime2.dtb \
+ sun7i-a20-olinuxino-lime2-emmc.dtb \
sun7i-a20-olinuxino-micro.dtb \
sun7i-a20-orangepi.dtb \
sun7i-a20-orangepi-mini.dtb \
diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts
index d82dd6e..5687d6b 100644
--- a/arch/arm/boot/dts/am437x-sk-evm.dts
+++ b/arch/arm/boot/dts/am437x-sk-evm.dts
@@ -418,7 +418,7 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
- clock-frequency = <400000>;
+ clock-frequency = <100000>;
tps@24 {
compatible = "ti,tps65218";
diff --git a/arch/arm/boot/dts/am57xx-idk-common.dtsi b/arch/arm/boot/dts/am57xx-idk-common.dtsi
index b01a594..0e63b9d 100644
--- a/arch/arm/boot/dts/am57xx-idk-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi
@@ -60,10 +60,26 @@
tps659038_pmic {
compatible = "ti,tps659038-pmic";
+
+ smps12-in-supply = <&vmain>;
+ smps3-in-supply = <&vmain>;
+ smps45-in-supply = <&vmain>;
+ smps6-in-supply = <&vmain>;
+ smps7-in-supply = <&vmain>;
+ smps8-in-supply = <&vmain>;
+ smps9-in-supply = <&vmain>;
+ ldo1-in-supply = <&vmain>;
+ ldo2-in-supply = <&vmain>;
+ ldo3-in-supply = <&vmain>;
+ ldo4-in-supply = <&vmain>;
+ ldo9-in-supply = <&vmain>;
+ ldoln-in-supply = <&vmain>;
+ ldousb-in-supply = <&vmain>;
+ ldortc-in-supply = <&vmain>;
+
regulators {
smps12_reg: smps12 {
/* VDD_MPU */
- vin-supply = <&vmain>;
regulator-name = "smps12";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1250000>;
@@ -73,7 +89,6 @@
smps3_reg: smps3 {
/* VDD_DDR EMIF1 EMIF2 */
- vin-supply = <&vmain>;
regulator-name = "smps3";
regulator-min-microvolt = <1350000>;
regulator-max-microvolt = <1350000>;
@@ -84,7 +99,6 @@
smps45_reg: smps45 {
/* VDD_DSPEVE on AM572 */
/* VDD_IVA + VDD_DSP on AM571 */
- vin-supply = <&vmain>;
regulator-name = "smps45";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1250000>;
@@ -94,7 +108,6 @@
smps6_reg: smps6 {
/* VDD_GPU */
- vin-supply = <&vmain>;
regulator-name = "smps6";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1250000>;
@@ -104,7 +117,6 @@
smps7_reg: smps7 {
/* VDD_CORE */
- vin-supply = <&vmain>;
regulator-name = "smps7";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1150000>;
@@ -115,13 +127,11 @@
smps8_reg: smps8 {
/* 5728 - VDD_IVAHD */
/* 5718 - N.C. test point */
- vin-supply = <&vmain>;
regulator-name = "smps8";
};
smps9_reg: smps9 {
/* VDD_3_3D */
- vin-supply = <&vmain>;
regulator-name = "smps9";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
@@ -132,7 +142,6 @@
ldo1_reg: ldo1 {
/* VDDSHV8 - VSDMMC */
/* NOTE: on rev 1.3a, data supply */
- vin-supply = <&vmain>;
regulator-name = "ldo1";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
@@ -142,7 +151,6 @@
ldo2_reg: ldo2 {
/* VDDSH18V */
- vin-supply = <&vmain>;
regulator-name = "ldo2";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@@ -152,7 +160,6 @@
ldo3_reg: ldo3 {
/* R1.3a 572x V1_8PHY_LDO3: USB, SATA */
- vin-supply = <&vmain>;
regulator-name = "ldo3";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@@ -162,7 +169,6 @@
ldo4_reg: ldo4 {
/* R1.3a 572x V1_8PHY_LDO4: PCIE, HDMI*/
- vin-supply = <&vmain>;
regulator-name = "ldo4";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@@ -174,7 +180,6 @@
ldo9_reg: ldo9 {
/* VDD_RTC */
- vin-supply = <&vmain>;
regulator-name = "ldo9";
regulator-min-microvolt = <840000>;
regulator-max-microvolt = <1160000>;
@@ -184,7 +189,6 @@
ldoln_reg: ldoln {
/* VDDA_1V8_PLL */
- vin-supply = <&vmain>;
regulator-name = "ldoln";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@@ -194,7 +198,6 @@
ldousb_reg: ldousb {
/* VDDA_3V_USB: VDDA_USBHS33 */
- vin-supply = <&vmain>;
regulator-name = "ldousb";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
@@ -204,7 +207,6 @@
ldortc_reg: ldortc {
/* VDDA_RTC */
- vin-supply = <&vmain>;
regulator-name = "ldortc";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
diff --git a/arch/arm/boot/dts/armada-385-linksys.dtsi b/arch/arm/boot/dts/armada-385-linksys.dtsi
index 8450944..22f7a13 100644
--- a/arch/arm/boot/dts/armada-385-linksys.dtsi
+++ b/arch/arm/boot/dts/armada-385-linksys.dtsi
@@ -58,8 +58,8 @@
soc {
ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
- MBUS_ID(0x09, 0x09) 0 0xf1100000 0x10000
- MBUS_ID(0x09, 0x05) 0 0xf1110000 0x10000>;
+ MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
+ MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000>;
internal-regs {
diff --git a/arch/arm/boot/dts/dm8148-evm.dts b/arch/arm/boot/dts/dm8148-evm.dts
index cbc17b0..4128fa9 100644
--- a/arch/arm/boot/dts/dm8148-evm.dts
+++ b/arch/arm/boot/dts/dm8148-evm.dts
@@ -93,6 +93,10 @@
};
};
+&mmc1 {
+ status = "disabled";
+};
+
&mmc2 {
pinctrl-names = "default";
pinctrl-0 = <&sd1_pins>;
@@ -101,6 +105,10 @@
cd-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
};
+&mmc3 {
+ status = "disabled";
+};
+
&pincntl {
sd1_pins: pinmux_sd1_pins {
pinctrl-single,pins = <
diff --git a/arch/arm/boot/dts/dm8148-t410.dts b/arch/arm/boot/dts/dm8148-t410.dts
index 5d4313f..3f18486 100644
--- a/arch/arm/boot/dts/dm8148-t410.dts
+++ b/arch/arm/boot/dts/dm8148-t410.dts
@@ -45,6 +45,14 @@
phy-mode = "rgmii";
};
+&mmc1 {
+ status = "disabled";
+};
+
+&mmc2 {
+ status = "disabled";
+};
+
&mmc3 {
pinctrl-names = "default";
pinctrl-0 = <&sd2_pins>;
@@ -53,6 +61,7 @@
dmas = <&edma_xbar 8 0 1 /* use SDTXEVT1 instead of MCASP0TX */
&edma_xbar 9 0 2>; /* use SDRXEVT1 instead of MCASP0RX */
dma-names = "tx", "rx";
+ non-removable;
};
&pincntl {
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index e007401..3a8f397 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -1451,6 +1451,8 @@
ti,hwmods = "gpmc";
reg = <0x50000000 0x37c>; /* device IO registers */
interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&edma_xbar 4 0>;
+ dma-names = "rxtx";
gpmc,num-cs = <8>;
gpmc,num-waitpins = <2>;
#address-cells = <2>;
diff --git a/arch/arm/boot/dts/dra74x.dtsi b/arch/arm/boot/dts/dra74x.dtsi
index 4220eef..5e06020 100644
--- a/arch/arm/boot/dts/dra74x.dtsi
+++ b/arch/arm/boot/dts/dra74x.dtsi
@@ -107,8 +107,8 @@
reg = <0x58000000 0x80>,
<0x58004054 0x4>,
<0x58004300 0x20>,
- <0x58005054 0x4>,
- <0x58005300 0x20>;
+ <0x58009054 0x4>,
+ <0x58009300 0x20>;
reg-names = "dss", "pll1_clkctrl", "pll1",
"pll2_clkctrl", "pll2";
diff --git a/arch/arm/boot/dts/exynos5250-snow-common.dtsi b/arch/arm/boot/dts/exynos5250-snow-common.dtsi
index ddfe1f5..fa14f77 100644
--- a/arch/arm/boot/dts/exynos5250-snow-common.dtsi
+++ b/arch/arm/boot/dts/exynos5250-snow-common.dtsi
@@ -242,7 +242,7 @@
hpd-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>;
ports {
- port0 {
+ port {
dp_out: endpoint {
remote-endpoint = <&bridge_in>;
};
@@ -485,13 +485,20 @@
edid-emulation = <5>;
ports {
- port0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
bridge_out: endpoint {
remote-endpoint = <&panel_in>;
};
};
- port1 {
+ port@1 {
+ reg = <1>;
+
bridge_in: endpoint {
remote-endpoint = <&dp_out>;
};
diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index f9d2e4f..1de972d 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -163,7 +163,7 @@
hpd-gpios = <&gpx2 6 GPIO_ACTIVE_HIGH>;
ports {
- port0 {
+ port {
dp_out: endpoint {
remote-endpoint = <&bridge_in>;
};
@@ -631,13 +631,20 @@
use-external-pwm;
ports {
- port0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
bridge_out: endpoint {
remote-endpoint = <&panel_in>;
};
};
- port1 {
+ port@1 {
+ reg = <1>;
+
bridge_in: endpoint {
remote-endpoint = <&dp_out>;
};
diff --git a/arch/arm/boot/dts/omap3-evm-37xx.dts b/arch/arm/boot/dts/omap3-evm-37xx.dts
index 76056ba..ed44982 100644
--- a/arch/arm/boot/dts/omap3-evm-37xx.dts
+++ b/arch/arm/boot/dts/omap3-evm-37xx.dts
@@ -85,7 +85,7 @@
OMAP3_CORE1_IOPAD(0x2158, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_clk.sdmmc2_clk */
OMAP3_CORE1_IOPAD(0x215a, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_cmd.sdmmc2_cmd */
OMAP3_CORE1_IOPAD(0x215c, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat0.sdmmc2_dat0 */
- OMAP3_CORE1_IOPAD(0x215e, WAKEUP_EN | PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat1.sdmmc2_dat1 */
+ OMAP3_CORE1_IOPAD(0x215e, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat1.sdmmc2_dat1 */
OMAP3_CORE1_IOPAD(0x2160, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat2.sdmmc2_dat2 */
OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3.sdmmc2_dat3 */
>;
diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi
index 41f5d38..f4f2ce4 100644
--- a/arch/arm/boot/dts/omap3-igep.dtsi
+++ b/arch/arm/boot/dts/omap3-igep.dtsi
@@ -188,6 +188,7 @@
vmmc-supply = <&vmmc1>;
vmmc_aux-supply = <&vsim>;
bus-width = <4>;
+ cd-gpios = <&twl_gpio 0 GPIO_ACTIVE_LOW>;
};
&mmc3 {
diff --git a/arch/arm/boot/dts/omap3-igep0020-common.dtsi b/arch/arm/boot/dts/omap3-igep0020-common.dtsi
index d6f839c..b697106 100644
--- a/arch/arm/boot/dts/omap3-igep0020-common.dtsi
+++ b/arch/arm/boot/dts/omap3-igep0020-common.dtsi
@@ -194,6 +194,12 @@
OMAP3630_CORE2_IOPAD(0x25f8, PIN_OUTPUT | MUX_MODE4) /* etk_d14.gpio_28 */
>;
};
+
+ mmc1_wp_pins: pinmux_mmc1_cd_pins {
+ pinctrl-single,pins = <
+ OMAP3630_CORE2_IOPAD(0x25fa, PIN_INPUT | MUX_MODE4) /* etk_d15.gpio_29 */
+ >;
+ };
};
&i2c3 {
@@ -250,3 +256,8 @@
};
};
};
+
+&mmc1 {
+ pinctrl-0 = <&mmc1_pins &mmc1_wp_pins>;
+ wp-gpios = <&gpio1 29 GPIO_ACTIVE_LOW>; /* gpio_29 */
+};
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index d9e2d9c..2b74a81 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -288,7 +288,7 @@
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2180, PIN_INPUT_PULLUP | MUX_MODE1) /* ssi1_rdy_tx */
OMAP3_CORE1_IOPAD(0x217e, PIN_OUTPUT | MUX_MODE1) /* ssi1_flag_tx */
- OMAP3_CORE1_IOPAD(0x2182, PIN_INPUT | WAKEUP_EN | MUX_MODE4) /* ssi1_wake_tx (cawake) */
+ OMAP3_CORE1_IOPAD(0x2182, PIN_INPUT | MUX_MODE4) /* ssi1_wake_tx (cawake) */
OMAP3_CORE1_IOPAD(0x217c, PIN_OUTPUT | MUX_MODE1) /* ssi1_dat_tx */
OMAP3_CORE1_IOPAD(0x2184, PIN_INPUT | MUX_MODE1) /* ssi1_dat_rx */
OMAP3_CORE1_IOPAD(0x2186, PIN_INPUT | MUX_MODE1) /* ssi1_flag_rx */
@@ -300,7 +300,7 @@
modem_pins: pinmux_modem {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE4) /* gpio 70 => cmt_apeslpx */
- OMAP3_CORE1_IOPAD(0x20e0, PIN_INPUT | WAKEUP_EN | MUX_MODE4) /* gpio 72 => ape_rst_rq */
+ OMAP3_CORE1_IOPAD(0x20e0, PIN_INPUT | MUX_MODE4) /* gpio 72 => ape_rst_rq */
OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE4) /* gpio 73 => cmt_rst_rq */
OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE4) /* gpio 74 => cmt_en */
OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE4) /* gpio 75 => cmt_rst */
diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index a00ca76..927b17f 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -97,7 +97,7 @@
OMAP3_CORE1_IOPAD(0x217c, PIN_OUTPUT | MUX_MODE1) /* ssi1_dat_tx */
OMAP3_CORE1_IOPAD(0x217e, PIN_OUTPUT | MUX_MODE1) /* ssi1_flag_tx */
OMAP3_CORE1_IOPAD(0x2180, PIN_INPUT_PULLUP | MUX_MODE1) /* ssi1_rdy_tx */
- OMAP3_CORE1_IOPAD(0x2182, PIN_INPUT | WAKEUP_EN | MUX_MODE4) /* ssi1_wake_tx (cawake) */
+ OMAP3_CORE1_IOPAD(0x2182, PIN_INPUT | MUX_MODE4) /* ssi1_wake_tx (cawake) */
OMAP3_CORE1_IOPAD(0x2184, PIN_INPUT | MUX_MODE1) /* ssi1_dat_rx */
OMAP3_CORE1_IOPAD(0x2186, PIN_INPUT | MUX_MODE1) /* ssi1_flag_rx */
OMAP3_CORE1_IOPAD(0x2188, PIN_OUTPUT | MUX_MODE1) /* ssi1_rdy_rx */
@@ -110,7 +110,7 @@
OMAP3_CORE1_IOPAD(0x217c, PIN_OUTPUT | MUX_MODE7) /* ssi1_dat_tx */
OMAP3_CORE1_IOPAD(0x217e, PIN_OUTPUT | MUX_MODE7) /* ssi1_flag_tx */
OMAP3_CORE1_IOPAD(0x2180, PIN_INPUT_PULLDOWN | MUX_MODE7) /* ssi1_rdy_tx */
- OMAP3_CORE1_IOPAD(0x2182, PIN_INPUT | WAKEUP_EN | MUX_MODE4) /* ssi1_wake_tx (cawake) */
+ OMAP3_CORE1_IOPAD(0x2182, PIN_INPUT | MUX_MODE4) /* ssi1_wake_tx (cawake) */
OMAP3_CORE1_IOPAD(0x2184, PIN_INPUT | MUX_MODE7) /* ssi1_dat_rx */
OMAP3_CORE1_IOPAD(0x2186, PIN_INPUT | MUX_MODE7) /* ssi1_flag_rx */
OMAP3_CORE1_IOPAD(0x2188, PIN_OUTPUT | MUX_MODE4) /* ssi1_rdy_rx */
@@ -120,7 +120,7 @@
modem_pins1: pinmux_modem_core1_pins {
pinctrl-single,pins = <
- OMAP3_CORE1_IOPAD(0x207a, PIN_INPUT | WAKEUP_EN | MUX_MODE4) /* gpio_34 (ape_rst_rq) */
+ OMAP3_CORE1_IOPAD(0x207a, PIN_INPUT | MUX_MODE4) /* gpio_34 (ape_rst_rq) */
OMAP3_CORE1_IOPAD(0x2100, PIN_OUTPUT | MUX_MODE4) /* gpio_88 (cmt_rst_rq) */
OMAP3_CORE1_IOPAD(0x210a, PIN_OUTPUT | MUX_MODE4) /* gpio_93 (cmt_apeslpx) */
>;
diff --git a/arch/arm/boot/dts/omap3-zoom3.dts b/arch/arm/boot/dts/omap3-zoom3.dts
index f19170b..c29b41d 100644
--- a/arch/arm/boot/dts/omap3-zoom3.dts
+++ b/arch/arm/boot/dts/omap3-zoom3.dts
@@ -98,7 +98,7 @@
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2174, PIN_INPUT_PULLUP | MUX_MODE0) /* uart2_cts.uart2_cts */
OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT | MUX_MODE0) /* uart2_rts.uart2_rts */
- OMAP3_CORE1_IOPAD(0x217a, WAKEUP_EN | PIN_INPUT | MUX_MODE0) /* uart2_rx.uart2_rx */
+ OMAP3_CORE1_IOPAD(0x217a, PIN_INPUT | MUX_MODE0) /* uart2_rx.uart2_rx */
OMAP3_CORE1_IOPAD(0x2178, PIN_OUTPUT | MUX_MODE0) /* uart2_tx.uart2_tx */
>;
};
@@ -107,7 +107,7 @@
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x219a, PIN_INPUT_PULLDOWN | MUX_MODE0) /* uart3_cts_rctx.uart3_cts_rctx */
OMAP3_CORE1_IOPAD(0x219c, PIN_OUTPUT | MUX_MODE0) /* uart3_rts_sd.uart3_rts_sd */
- OMAP3_CORE1_IOPAD(0x219e, WAKEUP_EN | PIN_INPUT | MUX_MODE0) /* uart3_rx_irrx.uart3_rx_irrx */
+ OMAP3_CORE1_IOPAD(0x219e, PIN_INPUT | MUX_MODE0) /* uart3_rx_irrx.uart3_rx_irrx */
OMAP3_CORE1_IOPAD(0x21a0, PIN_OUTPUT | MUX_MODE0) /* uart3_tx_irtx.uart3_tx_irtx */
>;
};
@@ -125,7 +125,7 @@
pinctrl-single,pins = <
OMAP3630_CORE2_IOPAD(0x25d8, PIN_INPUT_PULLUP | MUX_MODE2) /* etk_clk.sdmmc3_clk */
OMAP3630_CORE2_IOPAD(0x25e4, PIN_INPUT_PULLUP | MUX_MODE2) /* etk_d4.sdmmc3_dat0 */
- OMAP3630_CORE2_IOPAD(0x25e6, WAKEUP_EN | PIN_INPUT_PULLUP | MUX_MODE2) /* etk_d5.sdmmc3_dat1 */
+ OMAP3630_CORE2_IOPAD(0x25e6, PIN_INPUT_PULLUP | MUX_MODE2) /* etk_d5.sdmmc3_dat1 */
OMAP3630_CORE2_IOPAD(0x25e8, PIN_INPUT_PULLUP | MUX_MODE2) /* etk_d6.sdmmc3_dat2 */
OMAP3630_CORE2_IOPAD(0x25e2, PIN_INPUT_PULLUP | MUX_MODE2) /* etk_d3.sdmmc3_dat3 */
>;
diff --git a/arch/arm/boot/dts/omap5-board-common.dtsi b/arch/arm/boot/dts/omap5-board-common.dtsi
index dc759a3..5d5b620 100644
--- a/arch/arm/boot/dts/omap5-board-common.dtsi
+++ b/arch/arm/boot/dts/omap5-board-common.dtsi
@@ -14,6 +14,29 @@
display0 = &hdmi0;
};
+ vmain: fixedregulator-vmain {
+ compatible = "regulator-fixed";
+ regulator-name = "vmain";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
+ vsys_cobra: fixedregulator-vsys_cobra {
+ compatible = "regulator-fixed";
+ regulator-name = "vsys_cobra";
+ vin-supply = <&vmain>;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
+ vdds_1v8_main: fixedregulator-vdds_1v8_main {
+ compatible = "regulator-fixed";
+ regulator-name = "vdds_1v8_main";
+ vin-supply = <&smps7_reg>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
vmmcsd_fixed: fixedregulator-mmcsd {
compatible = "regulator-fixed";
regulator-name = "vmmcsd_fixed";
@@ -309,7 +332,7 @@
wlcore_irq_pin: pinmux_wlcore_irq_pin {
pinctrl-single,pins = <
- OMAP5_IOPAD(0x40, WAKEUP_EN | PIN_INPUT_PULLUP | MUX_MODE6) /* llia_wakereqin.gpio1_wk14 */
+ OMAP5_IOPAD(0x40, PIN_INPUT_PULLUP | MUX_MODE6) /* llia_wakereqin.gpio1_wk14 */
>;
};
};
@@ -409,6 +432,26 @@
ti,ldo6-vibrator;
+ smps123-in-supply = <&vsys_cobra>;
+ smps45-in-supply = <&vsys_cobra>;
+ smps6-in-supply = <&vsys_cobra>;
+ smps7-in-supply = <&vsys_cobra>;
+ smps8-in-supply = <&vsys_cobra>;
+ smps9-in-supply = <&vsys_cobra>;
+ smps10_out2-in-supply = <&vsys_cobra>;
+ smps10_out1-in-supply = <&vsys_cobra>;
+ ldo1-in-supply = <&vsys_cobra>;
+ ldo2-in-supply = <&vsys_cobra>;
+ ldo3-in-supply = <&vdds_1v8_main>;
+ ldo4-in-supply = <&vdds_1v8_main>;
+ ldo5-in-supply = <&vsys_cobra>;
+ ldo6-in-supply = <&vdds_1v8_main>;
+ ldo7-in-supply = <&vsys_cobra>;
+ ldo8-in-supply = <&vsys_cobra>;
+ ldo9-in-supply = <&vmmcsd_fixed>;
+ ldoln-in-supply = <&vsys_cobra>;
+ ldousb-in-supply = <&vsys_cobra>;
+
regulators {
smps123_reg: smps123 {
/* VDD_OPP_MPU */
@@ -600,7 +643,8 @@
pinctrl-0 = <&twl6040_pins>;
interrupts = <GIC_SPI 119 IRQ_TYPE_NONE>; /* IRQ_SYS_2N cascaded to gic */
- ti,audpwron-gpio = <&gpio5 13 GPIO_ACTIVE_HIGH>; /* gpio line 141 */
+
+ /* audpwron gpio defined in the board specific dts */
vio-supply = <&smps7_reg>;
v2v1-supply = <&smps9_reg>;
diff --git a/arch/arm/boot/dts/omap5-igep0050.dts b/arch/arm/boot/dts/omap5-igep0050.dts
index 46ecb1d..f75ce02 100644
--- a/arch/arm/boot/dts/omap5-igep0050.dts
+++ b/arch/arm/boot/dts/omap5-igep0050.dts
@@ -35,6 +35,22 @@
};
};
+/* LDO4 is VPP1 - ball AD9 */
+&ldo4_reg {
+ regulator-min-microvolt = <2000000>;
+ regulator-max-microvolt = <2000000>;
+};
+
+/*
+ * LDO7 is used for HDMI: VDDA_DSIPORTA - ball AA33, VDDA_DSIPORTC - ball AE33,
+ * VDDA_HDMI - ball AN25
+ */
+&ldo7_reg {
+ status = "okay";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+};
+
&omap5_pmx_core {
i2c4_pins: pinmux_i2c4_pins {
pinctrl-single,pins = <
@@ -52,3 +68,13 @@
<&gpio7 3 0>; /* 195, SDA */
};
+&twl6040 {
+ ti,audpwron-gpio = <&gpio5 16 GPIO_ACTIVE_HIGH>; /* gpio line 144 */
+};
+
+&twl6040_pins {
+ pinctrl-single,pins = <
+ OMAP5_IOPAD(0x1c4, PIN_OUTPUT | MUX_MODE6) /* mcspi1_somi.gpio5_144 */
+ OMAP5_IOPAD(0x1ca, PIN_OUTPUT | MUX_MODE6) /* perslimbus2_clock.gpio5_145 */
+ >;
+};
diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
index 60b3fbb..a51e605 100644
--- a/arch/arm/boot/dts/omap5-uevm.dts
+++ b/arch/arm/boot/dts/omap5-uevm.dts
@@ -51,3 +51,13 @@
<&gpio9 1 GPIO_ACTIVE_HIGH>, /* TCA6424A P00, LS OE */
<&gpio7 1 GPIO_ACTIVE_HIGH>; /* GPIO 193, HPD */
};
+
+&twl6040 {
+ ti,audpwron-gpio = <&gpio5 13 GPIO_ACTIVE_HIGH>; /* gpio line 141 */
+};
+
+&twl6040_pins {
+ pinctrl-single,pins = <
+ OMAP5_IOPAD(0x1be, PIN_OUTPUT | MUX_MODE6) /* mcspi1_somi.gpio5_141 */
+ >;
+};
diff --git a/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts b/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts
index a3601e4..b844473 100644
--- a/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts
+++ b/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts
@@ -136,6 +136,7 @@
&gmac1 {
status = "okay";
phy-mode = "rgmii";
+ phy-handle = <&phy1>;
snps,reset-gpio = <&porta 0 GPIO_ACTIVE_LOW>;
snps,reset-active-low;
diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
index ad8ba10..d294e82 100644
--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -24,18 +24,21 @@
compatible = "shared-dma-pool";
reg = <0x40000000 0x01000000>;
no-map;
+ status = "disabled";
};
gp1_reserved: rproc@41000000 {
compatible = "shared-dma-pool";
reg = <0x41000000 0x01000000>;
no-map;
+ status = "disabled";
};
audio_reserved: rproc@42000000 {
compatible = "shared-dma-pool";
reg = <0x42000000 0x01000000>;
no-map;
+ status = "disabled";
};
dmu_reserved: rproc@43000000 {
diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index a03e56f..ca58eb2 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -65,8 +65,9 @@
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "de_be0-lcd0-hdmi";
- clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 43>,
- <&ahb_gates 44>, <&dram_gates 26>;
+ clocks = <&pll3>, <&pll5 1>, <&ahb_gates 36>,
+ <&ahb_gates 43>, <&ahb_gates 44>,
+ <&dram_gates 26>;
status = "disabled";
};
@@ -74,8 +75,9 @@
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "de_fe0-de_be0-lcd0-hdmi";
- clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 43>,
- <&ahb_gates 44>, <&ahb_gates 46>,
+ clocks = <&pll3>, <&pll5 1>, <&ahb_gates 36>,
+ <&ahb_gates 43>, <&ahb_gates 44>,
+ <&ahb_gates 46>,
<&dram_gates 25>, <&dram_gates 26>;
status = "disabled";
};
@@ -84,9 +86,9 @@
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "de_fe0-de_be0-lcd0";
- clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 44>,
- <&ahb_gates 46>, <&dram_gates 25>,
- <&dram_gates 26>;
+ clocks = <&pll3>, <&pll5 1>, <&ahb_gates 36>,
+ <&ahb_gates 44>, <&ahb_gates 46>,
+ <&dram_gates 25>, <&dram_gates 26>;
status = "disabled";
};
@@ -94,8 +96,9 @@
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "de_fe0-de_be0-lcd0-tve0";
- clocks = <&pll5 1>, <&ahb_gates 34>, <&ahb_gates 36>,
- <&ahb_gates 44>, <&ahb_gates 46>,
+ clocks = <&pll3>, <&pll5 1>, <&ahb_gates 34>,
+ <&ahb_gates 36>, <&ahb_gates 44>,
+ <&ahb_gates 46>,
<&dram_gates 5>, <&dram_gates 25>, <&dram_gates 26>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi
index bddd0de..367f330 100644
--- a/arch/arm/boot/dts/sun5i-a10s.dtsi
+++ b/arch/arm/boot/dts/sun5i-a10s.dtsi
@@ -65,8 +65,8 @@
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "de_be0-lcd0-hdmi";
- clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 43>,
- <&ahb_gates 44>;
+ clocks = <&pll3>, <&pll5 1>, <&ahb_gates 36>,
+ <&ahb_gates 43>, <&ahb_gates 44>;
status = "disabled";
};
@@ -74,7 +74,8 @@
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "de_be0-lcd0";
- clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 44>;
+ clocks = <&pll3>, <&pll5 1>, <&ahb_gates 36>,
+ <&ahb_gates 44>;
status = "disabled";
};
@@ -82,8 +83,8 @@
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "de_be0-lcd0-tve0";
- clocks = <&pll5 1>, <&ahb_gates 34>, <&ahb_gates 36>,
- <&ahb_gates 44>;
+ clocks = <&pll3>, <&pll5 1>, <&ahb_gates 34>,
+ <&ahb_gates 36>, <&ahb_gates 44>;
status = "disabled";
};
};
diff --git a/arch/arm/boot/dts/sun5i-r8-chip.dts b/arch/arm/boot/dts/sun5i-r8-chip.dts
index a8d8b45..f694482 100644
--- a/arch/arm/boot/dts/sun5i-r8-chip.dts
+++ b/arch/arm/boot/dts/sun5i-r8-chip.dts
@@ -52,7 +52,7 @@
/ {
model = "NextThing C.H.I.P.";
- compatible = "nextthing,chip", "allwinner,sun5i-r8";
+ compatible = "nextthing,chip", "allwinner,sun5i-r8", "allwinner,sun5i-a13";
aliases {
i2c0 = &i2c0;
diff --git a/arch/arm/boot/dts/sun6i-a31s-primo81.dts b/arch/arm/boot/dts/sun6i-a31s-primo81.dts
index 68b479b..73c133f 100644
--- a/arch/arm/boot/dts/sun6i-a31s-primo81.dts
+++ b/arch/arm/boot/dts/sun6i-a31s-primo81.dts
@@ -176,8 +176,6 @@
};
&reg_dc1sw {
- regulator-min-microvolt = <3000000>;
- regulator-max-microvolt = <3000000>;
regulator-name = "vcc-lcd";
};
diff --git a/arch/arm/boot/dts/sun6i-a31s-yones-toptech-bs1078-v2.dts b/arch/arm/boot/dts/sun6i-a31s-yones-toptech-bs1078-v2.dts
index 360adfb..d6ad619 100644
--- a/arch/arm/boot/dts/sun6i-a31s-yones-toptech-bs1078-v2.dts
+++ b/arch/arm/boot/dts/sun6i-a31s-yones-toptech-bs1078-v2.dts
@@ -135,8 +135,6 @@
&reg_dc1sw {
regulator-name = "vcc-lcd-usb2";
- regulator-min-microvolt = <3000000>;
- regulator-max-microvolt = <3000000>;
};
&reg_dc5ldo {
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index febdf4c..2c34bbb 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -67,8 +67,9 @@
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "de_be0-lcd0-hdmi";
- clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 43>,
- <&ahb_gates 44>, <&dram_gates 26>;
+ clocks = <&pll3>, <&pll5 1>, <&ahb_gates 36>,
+ <&ahb_gates 43>, <&ahb_gates 44>,
+ <&dram_gates 26>;
status = "disabled";
};
@@ -76,8 +77,8 @@
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "de_be0-lcd0";
- clocks = <&pll5 1>, <&ahb_gates 36>, <&ahb_gates 44>,
- <&dram_gates 26>;
+ clocks = <&pll3>, <&pll5 1>, <&ahb_gates 36>,
+ <&ahb_gates 44>, <&dram_gates 26>;
status = "disabled";
};
@@ -85,7 +86,7 @@
compatible = "allwinner,simple-framebuffer",
"simple-framebuffer";
allwinner,pipeline = "de_be0-lcd0-tve0";
- clocks = <&pll5 1>,
+ clocks = <&pll3>, <&pll5 1>,
<&ahb_gates 34>, <&ahb_gates 36>, <&ahb_gates 44>,
<&dram_gates 5>, <&dram_gates 26>;
status = "disabled";
@@ -231,6 +232,7 @@
pll3x2: pll3x2_clk {
#clock-cells = <0>;
compatible = "fixed-factor-clock";
+ clocks = <&pll3>;
clock-div = <1>;
clock-mult = <2>;
clock-output-names = "pll3-2x";
@@ -272,6 +274,7 @@
pll7x2: pll7x2_clk {
#clock-cells = <0>;
compatible = "fixed-factor-clock";
+ clocks = <&pll7>;
clock-div = <1>;
clock-mult = <2>;
clock-output-names = "pll7-2x";
diff --git a/arch/arm/boot/dts/tegra30-beaver.dts b/arch/arm/boot/dts/tegra30-beaver.dts
index 1eca3b2..b6da15d 100644
--- a/arch/arm/boot/dts/tegra30-beaver.dts
+++ b/arch/arm/boot/dts/tegra30-beaver.dts
@@ -1843,7 +1843,7 @@
ldo5_reg: ldo5 {
regulator-name = "vddio_sdmmc,avdd_vdac";
- regulator-min-microvolt = <3300000>;
+ regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
@@ -1914,6 +1914,7 @@
sdhci@78000000 {
status = "okay";
+ vqmmc-supply = <&ldo5_reg>;
cd-gpios = <&gpio TEGRA_GPIO(I, 5) GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio TEGRA_GPIO(T, 3) GPIO_ACTIVE_HIGH>;
power-gpios = <&gpio TEGRA_GPIO(D, 7) GPIO_ACTIVE_HIGH>;
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 10f49ab..47195e8 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -82,6 +82,7 @@ CONFIG_TOUCHSCREEN_MMS114=y
CONFIG_INPUT_MISC=y
CONFIG_INPUT_MAX77693_HAPTIC=y
CONFIG_INPUT_MAX8997_HAPTIC=y
+CONFIG_KEYBOARD_SAMSUNG=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_SAMSUNG=y
CONFIG_SERIAL_SAMSUNG_CONSOLE=y
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 8f85756..8a5fff1 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -264,6 +264,7 @@ CONFIG_KEYBOARD_TEGRA=y
CONFIG_KEYBOARD_SPEAR=y
CONFIG_KEYBOARD_ST_KEYSCAN=y
CONFIG_KEYBOARD_CROS_EC=m
+CONFIG_KEYBOARD_SAMSUNG=m
CONFIG_MOUSE_PS2_ELANTECH=y
CONFIG_MOUSE_CYAPA=m
CONFIG_MOUSE_ELAN_I2C=y
diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h
index 19cfab5..20febb3 100644
--- a/arch/arm/include/asm/pgalloc.h
+++ b/arch/arm/include/asm/pgalloc.h
@@ -29,7 +29,7 @@
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- return (pmd_t *)get_zeroed_page(GFP_KERNEL | __GFP_REPEAT);
+ return (pmd_t *)get_zeroed_page(GFP_KERNEL);
}
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
index aeddd28..92fd2c8 100644
--- a/arch/arm/include/asm/pgtable-2level.h
+++ b/arch/arm/include/asm/pgtable-2level.h
@@ -193,6 +193,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
#define pmd_large(pmd) (pmd_val(pmd) & 2)
#define pmd_bad(pmd) (pmd_val(pmd) & 2)
+#define pmd_present(pmd) (pmd_val(pmd))
#define copy_pmd(pmdpd,pmdps) \
do { \
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index fa70db7..2a029bc 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -211,6 +211,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
: !!(pmd_val(pmd) & (val)))
#define pmd_isclear(pmd, val) (!(pmd_val(pmd) & (val)))
+#define pmd_present(pmd) (pmd_isset((pmd), L_PMD_SECT_VALID))
#define pmd_young(pmd) (pmd_isset((pmd), PMD_SECT_AF))
#define pte_special(pte) (pte_isset((pte), L_PTE_SPECIAL))
static inline pte_t pte_mkspecial(pte_t pte)
@@ -249,10 +250,10 @@ PMD_BIT_FUNC(mkyoung, |= PMD_SECT_AF);
#define pfn_pmd(pfn,prot) (__pmd(((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot)))
#define mk_pmd(page,prot) pfn_pmd(page_to_pfn(page),prot)
-/* represent a notpresent pmd by zero, this is used by pmdp_invalidate */
+/* represent a notpresent pmd by faulting entry, this is used by pmdp_invalidate */
static inline pmd_t pmd_mknotpresent(pmd_t pmd)
{
- return __pmd(0);
+ return __pmd(pmd_val(pmd) & ~L_PMD_SECT_VALID);
}
static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index 348caab..d622040 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -182,7 +182,6 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
#define pgd_offset_k(addr) pgd_offset(&init_mm, addr)
#define pmd_none(pmd) (!pmd_val(pmd))
-#define pmd_present(pmd) (pmd_val(pmd))
static inline pte_t *pmd_page_vaddr(pmd_t pmd)
{
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index ef9119f..4d93758 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -733,8 +733,8 @@ static int vfp_set(struct task_struct *target,
if (ret)
return ret;
- vfp_flush_hwstate(thread);
thread->vfpstate.hard = new_vfp;
+ vfp_flush_hwstate(thread);
return 0;
}
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index df90bc5..8615216 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -486,7 +486,7 @@ static const char *ipi_types[NR_IPI] __tracepoint_string = {
static void smp_cross_call(const struct cpumask *target, unsigned int ipinr)
{
- trace_ipi_raise(target, ipi_types[ipinr]);
+ trace_ipi_raise_rcuidle(target, ipi_types[ipinr]);
__smp_cross_call(target, ipinr);
}
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 893941e..f1bde7c 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -263,6 +263,7 @@ void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
kvm_timer_vcpu_terminate(vcpu);
kvm_vgic_vcpu_destroy(vcpu);
kvm_pmu_vcpu_destroy(vcpu);
+ kvm_vcpu_uninit(vcpu);
kmem_cache_free(kvm_vcpu_cache, vcpu);
}
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index e65aa7d..20dcf6e 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -61,7 +61,6 @@ config ARCH_EXYNOS4
select CLKSRC_SAMSUNG_PWM if CPU_EXYNOS4210
select CPU_EXYNOS4210
select GIC_NON_BANKED
- select KEYBOARD_SAMSUNG if INPUT_KEYBOARD
select MIGHT_HAVE_CACHE_L2X0
help
Samsung EXYNOS4 (Cortex-A9) SoC based systems
diff --git a/arch/arm/mach-imx/mach-imx6ul.c b/arch/arm/mach-imx/mach-imx6ul.c
index a38b16b..b56de4b 100644
--- a/arch/arm/mach-imx/mach-imx6ul.c
+++ b/arch/arm/mach-imx/mach-imx6ul.c
@@ -46,7 +46,7 @@ static int ksz8081_phy_fixup(struct phy_device *dev)
static void __init imx6ul_enet_phy_init(void)
{
if (IS_BUILTIN(CONFIG_PHYLIB))
- phy_register_fixup_for_uid(PHY_ID_KSZ8081, 0xffffffff,
+ phy_register_fixup_for_uid(PHY_ID_KSZ8081, MICREL_PHY_ID_MASK,
ksz8081_phy_fixup);
}
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index ecf9e0c..e53c6cf 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -7,9 +7,15 @@ CFLAGS_pmsu.o := -march=armv7-a
obj-$(CONFIG_MACH_MVEBU_ANY) += system-controller.o mvebu-soc-id.o
ifeq ($(CONFIG_MACH_MVEBU_V7),y)
-obj-y += cpu-reset.o board-v7.o coherency.o coherency_ll.o pmsu.o pmsu_ll.o pm.o pm-board.o
+obj-y += cpu-reset.o board-v7.o coherency.o coherency_ll.o pmsu.o pmsu_ll.o
+
+obj-$(CONFIG_PM) += pm.o pm-board.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o platsmp-a9.o headsmp-a9.o
endif
obj-$(CONFIG_MACH_DOVE) += dove.o
-obj-$(CONFIG_MACH_KIRKWOOD) += kirkwood.o kirkwood-pm.o
+
+ifeq ($(CONFIG_MACH_KIRKWOOD),y)
+obj-y += kirkwood.o
+obj-$(CONFIG_PM) += kirkwood-pm.o
+endif
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index 7e989d6..e80f0dd 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -162,22 +162,16 @@ exit:
}
/*
- * This ioremap hook is used on Armada 375/38x to ensure that PCIe
- * memory areas are mapped as MT_UNCACHED instead of MT_DEVICE. This
- * is needed as a workaround for a deadlock issue between the PCIe
- * interface and the cache controller.
+ * This ioremap hook is used on Armada 375/38x to ensure that all MMIO
+ * areas are mapped as MT_UNCACHED instead of MT_DEVICE. This is
+ * needed for the HW I/O coherency mechanism to work properly without
+ * deadlock.
*/
static void __iomem *
-armada_pcie_wa_ioremap_caller(phys_addr_t phys_addr, size_t size,
- unsigned int mtype, void *caller)
+armada_wa_ioremap_caller(phys_addr_t phys_addr, size_t size,
+ unsigned int mtype, void *caller)
{
- struct resource pcie_mem;
-
- mvebu_mbus_get_pcie_mem_aperture(&pcie_mem);
-
- if (pcie_mem.start <= phys_addr && (phys_addr + size) <= pcie_mem.end)
- mtype = MT_UNCACHED;
-
+ mtype = MT_UNCACHED;
return __arm_ioremap_caller(phys_addr, size, mtype, caller);
}
@@ -186,7 +180,8 @@ static void __init armada_375_380_coherency_init(struct device_node *np)
struct device_node *cache_dn;
coherency_cpu_base = of_iomap(np, 0);
- arch_ioremap_caller = armada_pcie_wa_ioremap_caller;
+ arch_ioremap_caller = armada_wa_ioremap_caller;
+ pci_ioremap_set_mem_type(MT_UNCACHED);
/*
* We should switch the PL310 to I/O coherency mode only if
diff --git a/arch/arm/mach-omap1/ams-delta-fiq-handler.S b/arch/arm/mach-omap1/ams-delta-fiq-handler.S
index 5d7fb59..bf60844 100644
--- a/arch/arm/mach-omap1/ams-delta-fiq-handler.S
+++ b/arch/arm/mach-omap1/ams-delta-fiq-handler.S
@@ -43,8 +43,8 @@
#define OTHERS_MASK (MODEM_IRQ_MASK | HOOK_SWITCH_MASK)
/* IRQ handler register bitmasks */
-#define DEFERRED_FIQ_MASK (0x1 << (INT_DEFERRED_FIQ % IH2_BASE))
-#define GPIO_BANK1_MASK (0x1 << INT_GPIO_BANK1)
+#define DEFERRED_FIQ_MASK OMAP_IRQ_BIT(INT_DEFERRED_FIQ)
+#define GPIO_BANK1_MASK OMAP_IRQ_BIT(INT_GPIO_BANK1)
/* Driver buffer byte offsets */
#define BUF_MASK (FIQ_MASK * 4)
@@ -110,7 +110,7 @@ ENTRY(qwerty_fiqin_start)
mov r8, #2 @ reset FIQ agreement
str r8, [r12, #IRQ_CONTROL_REG_OFFSET]
- cmp r10, #INT_GPIO_BANK1 @ is it GPIO bank interrupt?
+ cmp r10, #(INT_GPIO_BANK1 - NR_IRQS_LEGACY) @ is it GPIO interrupt?
beq gpio @ yes - process it
mov r8, #1
diff --git a/arch/arm/mach-omap1/ams-delta-fiq.c b/arch/arm/mach-omap1/ams-delta-fiq.c
index d1f1209..ec760ae 100644
--- a/arch/arm/mach-omap1/ams-delta-fiq.c
+++ b/arch/arm/mach-omap1/ams-delta-fiq.c
@@ -109,7 +109,8 @@ void __init ams_delta_init_fiq(void)
* Since no set_type() method is provided by OMAP irq chip,
* switch to edge triggered interrupt type manually.
*/
- offset = IRQ_ILR0_REG_OFFSET + INT_DEFERRED_FIQ * 0x4;
+ offset = IRQ_ILR0_REG_OFFSET +
+ ((INT_DEFERRED_FIQ - NR_IRQS_LEGACY) & 0x1f) * 0x4;
val = omap_readl(DEFERRED_FIQ_IH_BASE + offset) & ~(1 << 1);
omap_writel(val, DEFERRED_FIQ_IH_BASE + offset);
@@ -149,7 +150,7 @@ void __init ams_delta_init_fiq(void)
/*
* Redirect GPIO interrupts to FIQ
*/
- offset = IRQ_ILR0_REG_OFFSET + INT_GPIO_BANK1 * 0x4;
+ offset = IRQ_ILR0_REG_OFFSET + (INT_GPIO_BANK1 - NR_IRQS_LEGACY) * 0x4;
val = omap_readl(OMAP_IH1_BASE + offset) | 1;
omap_writel(val, OMAP_IH1_BASE + offset);
}
diff --git a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
index adb5e76..6dfc3e1 100644
--- a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
+++ b/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
@@ -14,6 +14,8 @@
#ifndef __AMS_DELTA_FIQ_H
#define __AMS_DELTA_FIQ_H
+#include <mach/irqs.h>
+
/*
* Interrupt number used for passing control from FIQ to IRQ.
* IRQ12, described as reserved, has been selected.
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 0517f0c..1a648e9 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -17,6 +17,7 @@ config ARCH_OMAP3
select PM_OPP if PM
select PM if CPU_IDLE
select SOC_HAS_OMAP2_SDRC
+ select ARM_ERRATA_430973
config ARCH_OMAP4
bool "TI OMAP4"
@@ -36,6 +37,7 @@ config ARCH_OMAP4
select PM if CPU_IDLE
select ARM_ERRATA_754322
select ARM_ERRATA_775420
+ select OMAP_INTERCONNECT
config SOC_OMAP5
bool "TI OMAP5"
@@ -67,6 +69,8 @@ config SOC_AM43XX
select HAVE_ARM_SCU
select GENERIC_CLOCKEVENTS_BROADCAST
select HAVE_ARM_TWD
+ select ARM_ERRATA_754322
+ select ARM_ERRATA_775420
config SOC_DRA7XX
bool "TI DRA7XX"
@@ -240,4 +244,12 @@ endmenu
endif
+config OMAP5_ERRATA_801819
+ bool "Errata 801819: An eviction from L1 data cache might stall indefinitely"
+ depends on SOC_OMAP5 || SOC_DRA7XX
+ help
+ A livelock can occur in the L2 cache arbitration that might prevent
+ a snoop from completing. Under certain conditions this can cause the
+ system to deadlock.
+
endmenu
diff --git a/arch/arm/mach-omap2/omap-secure.h b/arch/arm/mach-omap2/omap-secure.h
index af2851f..bae263f 100644
--- a/arch/arm/mach-omap2/omap-secure.h
+++ b/arch/arm/mach-omap2/omap-secure.h
@@ -46,6 +46,7 @@
#define OMAP5_DRA7_MON_SET_CNTFRQ_INDEX 0x109
#define OMAP5_MON_AMBA_IF_INDEX 0x108
+#define OMAP5_DRA7_MON_SET_ACR_INDEX 0x107
/* Secure PPA(Primary Protected Application) APIs */
#define OMAP4_PPA_L2_POR_INDEX 0x23
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c
index c625cc1..8cd1de9 100644
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -50,6 +50,39 @@ void __iomem *omap4_get_scu_base(void)
return scu_base;
}
+#ifdef CONFIG_OMAP5_ERRATA_801819
+void omap5_erratum_workaround_801819(void)
+{
+ u32 acr, revidr;
+ u32 acr_mask;
+
+ /* REVIDR[3] indicates erratum fix available on silicon */
+ asm volatile ("mrc p15, 0, %0, c0, c0, 6" : "=r" (revidr));
+ if (revidr & (0x1 << 3))
+ return;
+
+ asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr));
+ /*
+ * BIT(27) - Disables streaming. All write-allocate lines allocate in
+ * the L1 or L2 cache.
+ * BIT(25) - Disables streaming. All write-allocate lines allocate in
+ * the L1 cache.
+ */
+ acr_mask = (0x3 << 25) | (0x3 << 27);
+ /* do we already have it done.. if yes, skip expensive smc */
+ if ((acr & acr_mask) == acr_mask)
+ return;
+
+ acr |= acr_mask;
+ omap_smc1(OMAP5_DRA7_MON_SET_ACR_INDEX, acr);
+
+ pr_debug("%s: ARM erratum workaround 801819 applied on CPU%d\n",
+ __func__, smp_processor_id());
+}
+#else
+static inline void omap5_erratum_workaround_801819(void) { }
+#endif
+
static void omap4_secondary_init(unsigned int cpu)
{
/*
@@ -64,12 +97,15 @@ static void omap4_secondary_init(unsigned int cpu)
omap_secure_dispatcher(OMAP4_PPA_CPU_ACTRL_SMP_INDEX,
4, 0, 0, 0, 0, 0);
- /*
- * Configure the CNTFRQ register for the secondary cpu's which
- * indicates the frequency of the cpu local timers.
- */
- if (soc_is_omap54xx() || soc_is_dra7xx())
+ if (soc_is_omap54xx() || soc_is_dra7xx()) {
+ /*
+ * Configure the CNTFRQ register for the secondary cpu's which
+ * indicates the frequency of the cpu local timers.
+ */
set_cntfreq();
+ /* Configure ACR to disable streaming WA for 801819 */
+ omap5_erratum_workaround_801819();
+ }
/*
* Synchronise with the boot thread.
@@ -218,6 +254,8 @@ static void __init omap4_smp_prepare_cpus(unsigned int max_cpus)
if (cpu_is_omap446x())
startup_addr = omap4460_secondary_startup;
+ if (soc_is_dra74x() || soc_is_omap54xx())
+ omap5_erratum_workaround_801819();
/*
* Write the address of secondary startup routine into the
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 78af6d8..daf2753 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -186,8 +186,9 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag)
trace_state = (PWRDM_TRACE_STATES_FLAG |
((next & OMAP_POWERSTATE_MASK) << 8) |
((prev & OMAP_POWERSTATE_MASK) << 0));
- trace_power_domain_target(pwrdm->name, trace_state,
- smp_processor_id());
+ trace_power_domain_target_rcuidle(pwrdm->name,
+ trace_state,
+ smp_processor_id());
}
break;
default:
@@ -523,8 +524,8 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
if (arch_pwrdm && arch_pwrdm->pwrdm_set_next_pwrst) {
/* Trace the pwrdm desired target state */
- trace_power_domain_target(pwrdm->name, pwrst,
- smp_processor_id());
+ trace_power_domain_target_rcuidle(pwrdm->name, pwrst,
+ smp_processor_id());
/* Program the pwrdm desired target state */
ret = arch_pwrdm->pwrdm_set_next_pwrst(pwrdm, pwrst);
}
diff --git a/arch/arm/mach-omap2/powerdomains7xx_data.c b/arch/arm/mach-omap2/powerdomains7xx_data.c
index 0ec2d00..eb350a6 100644
--- a/arch/arm/mach-omap2/powerdomains7xx_data.c
+++ b/arch/arm/mach-omap2/powerdomains7xx_data.c
@@ -36,14 +36,7 @@ static struct powerdomain iva_7xx_pwrdm = {
.prcm_offs = DRA7XX_PRM_IVA_INST,
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
- .pwrsts_logic_ret = PWRSTS_OFF,
.banks = 4,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* hwa_mem */
- [1] = PWRSTS_OFF_RET, /* sl2_mem */
- [2] = PWRSTS_OFF_RET, /* tcm1_mem */
- [3] = PWRSTS_OFF_RET, /* tcm2_mem */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* hwa_mem */
[1] = PWRSTS_ON, /* sl2_mem */
@@ -76,12 +69,7 @@ static struct powerdomain ipu_7xx_pwrdm = {
.prcm_offs = DRA7XX_PRM_IPU_INST,
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
- .pwrsts_logic_ret = PWRSTS_OFF,
.banks = 2,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* aessmem */
- [1] = PWRSTS_OFF_RET, /* periphmem */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* aessmem */
[1] = PWRSTS_ON, /* periphmem */
@@ -95,11 +83,7 @@ static struct powerdomain dss_7xx_pwrdm = {
.prcm_offs = DRA7XX_PRM_DSS_INST,
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
- .pwrsts_logic_ret = PWRSTS_OFF,
.banks = 1,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* dss_mem */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* dss_mem */
},
@@ -111,13 +95,8 @@ static struct powerdomain l4per_7xx_pwrdm = {
.name = "l4per_pwrdm",
.prcm_offs = DRA7XX_PRM_L4PER_INST,
.prcm_partition = DRA7XX_PRM_PARTITION,
- .pwrsts = PWRSTS_RET_ON,
- .pwrsts_logic_ret = PWRSTS_RET,
+ .pwrsts = PWRSTS_ON,
.banks = 2,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* nonretained_bank */
- [1] = PWRSTS_OFF_RET, /* retained_bank */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* nonretained_bank */
[1] = PWRSTS_ON, /* retained_bank */
@@ -132,9 +111,6 @@ static struct powerdomain gpu_7xx_pwrdm = {
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* gpu_mem */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* gpu_mem */
},
@@ -148,8 +124,6 @@ static struct powerdomain wkupaon_7xx_pwrdm = {
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_ON,
.banks = 1,
- .pwrsts_mem_ret = {
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* wkup_bank */
},
@@ -161,15 +135,7 @@ static struct powerdomain core_7xx_pwrdm = {
.prcm_offs = DRA7XX_PRM_CORE_INST,
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_ON,
- .pwrsts_logic_ret = PWRSTS_RET,
.banks = 5,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* core_nret_bank */
- [1] = PWRSTS_OFF_RET, /* core_ocmram */
- [2] = PWRSTS_OFF_RET, /* core_other_bank */
- [3] = PWRSTS_OFF_RET, /* ipu_l2ram */
- [4] = PWRSTS_OFF_RET, /* ipu_unicache */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* core_nret_bank */
[1] = PWRSTS_ON, /* core_ocmram */
@@ -226,11 +192,7 @@ static struct powerdomain vpe_7xx_pwrdm = {
.prcm_offs = DRA7XX_PRM_VPE_INST,
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
- .pwrsts_logic_ret = PWRSTS_OFF,
.banks = 1,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* vpe_bank */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* vpe_bank */
},
@@ -260,14 +222,8 @@ static struct powerdomain l3init_7xx_pwrdm = {
.name = "l3init_pwrdm",
.prcm_offs = DRA7XX_PRM_L3INIT_INST,
.prcm_partition = DRA7XX_PRM_PARTITION,
- .pwrsts = PWRSTS_RET_ON,
- .pwrsts_logic_ret = PWRSTS_RET,
+ .pwrsts = PWRSTS_ON,
.banks = 3,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* gmac_bank */
- [1] = PWRSTS_OFF_RET, /* l3init_bank1 */
- [2] = PWRSTS_OFF_RET, /* l3init_bank2 */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* gmac_bank */
[1] = PWRSTS_ON, /* l3init_bank1 */
@@ -283,9 +239,6 @@ static struct powerdomain eve3_7xx_pwrdm = {
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* eve3_bank */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* eve3_bank */
},
@@ -299,9 +252,6 @@ static struct powerdomain emu_7xx_pwrdm = {
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* emu_bank */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* emu_bank */
},
@@ -314,11 +264,6 @@ static struct powerdomain dsp2_7xx_pwrdm = {
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.banks = 3,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* dsp2_edma */
- [1] = PWRSTS_OFF_RET, /* dsp2_l1 */
- [2] = PWRSTS_OFF_RET, /* dsp2_l2 */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* dsp2_edma */
[1] = PWRSTS_ON, /* dsp2_l1 */
@@ -334,11 +279,6 @@ static struct powerdomain dsp1_7xx_pwrdm = {
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.banks = 3,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* dsp1_edma */
- [1] = PWRSTS_OFF_RET, /* dsp1_l1 */
- [2] = PWRSTS_OFF_RET, /* dsp1_l2 */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* dsp1_edma */
[1] = PWRSTS_ON, /* dsp1_l1 */
@@ -354,9 +294,6 @@ static struct powerdomain cam_7xx_pwrdm = {
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* vip_bank */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* vip_bank */
},
@@ -370,9 +307,6 @@ static struct powerdomain eve4_7xx_pwrdm = {
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* eve4_bank */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* eve4_bank */
},
@@ -386,9 +320,6 @@ static struct powerdomain eve2_7xx_pwrdm = {
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* eve2_bank */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* eve2_bank */
},
@@ -402,9 +333,6 @@ static struct powerdomain eve1_7xx_pwrdm = {
.prcm_partition = DRA7XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
- .pwrsts_mem_ret = {
- [0] = PWRSTS_OFF_RET, /* eve1_bank */
- },
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* eve1_bank */
},
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 5b385bb..cb9497a 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -496,8 +496,7 @@ void __init omap_init_time(void)
__omap_sync32k_timer_init(1, "timer_32k_ck", "ti,timer-alwon",
2, "timer_sys_ck", NULL, false);
- if (of_have_populated_dt())
- clocksource_probe();
+ clocksource_probe();
}
#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_AM43XX)
@@ -505,6 +504,8 @@ void __init omap3_secure_sync32k_timer_init(void)
{
__omap_sync32k_timer_init(12, "secure_32k_fck", "ti,timer-secure",
2, "timer_sys_ck", NULL, false);
+
+ clocksource_probe();
}
#endif /* CONFIG_ARCH_OMAP3 */
@@ -513,6 +514,8 @@ void __init omap3_gptimer_timer_init(void)
{
__omap_sync32k_timer_init(2, "timer_sys_ck", NULL,
1, "timer_sys_ck", "ti,timer-alwon", true);
+
+ clocksource_probe();
}
#endif
diff --git a/arch/arm/mach-vexpress/spc.c b/arch/arm/mach-vexpress/spc.c
index 5766ce2..8409cab 100644
--- a/arch/arm/mach-vexpress/spc.c
+++ b/arch/arm/mach-vexpress/spc.c
@@ -547,7 +547,7 @@ static struct clk *ve_spc_clk_register(struct device *cpu_dev)
init.name = dev_name(cpu_dev);
init.ops = &clk_spc_ops;
- init.flags = CLK_IS_ROOT | CLK_GET_RATE_NOCACHE;
+ init.flags = CLK_GET_RATE_NOCACHE;
init.num_parents = 0;
return devm_clk_register(cpu_dev, &spc->hw);
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 84baa16..e93aa67 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -68,7 +68,7 @@
#include <linux/platform_data/asoc-s3c.h>
#include <linux/platform_data/spi-s3c64xx.h>
-static u64 samsung_device_dma_mask = DMA_BIT_MASK(32);
+#define samsung_device_dma_mask (*((u64[]) { DMA_BIT_MASK(32) }))
/* AC97 */
#ifdef CONFIG_CPU_S3C2440
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 76747d9..5a0a691 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -113,6 +113,18 @@ config ARCH_PHYS_ADDR_T_64BIT
config MMU
def_bool y
+config ARM64_PAGE_SHIFT
+ int
+ default 16 if ARM64_64K_PAGES
+ default 14 if ARM64_16K_PAGES
+ default 12
+
+config ARM64_CONT_SHIFT
+ int
+ default 5 if ARM64_64K_PAGES
+ default 7 if ARM64_16K_PAGES
+ default 4
+
config ARCH_MMAP_RND_BITS_MIN
default 14 if ARM64_64K_PAGES
default 16 if ARM64_16K_PAGES
@@ -426,6 +438,15 @@ config CAVIUM_ERRATUM_22375
If unsure, say Y.
+config CAVIUM_ERRATUM_23144
+ bool "Cavium erratum 23144: ITS SYNC hang on dual socket system"
+ depends on NUMA
+ default y
+ help
+ ITS SYNC command hang for cross node io and collections/cpu mapping.
+
+ If unsure, say Y.
+
config CAVIUM_ERRATUM_23154
bool "Cavium erratum 23154: Access to ICC_IAR1_EL1 is not sync'ed"
default y
diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug
index 710fde4..0cc758c 100644
--- a/arch/arm64/Kconfig.debug
+++ b/arch/arm64/Kconfig.debug
@@ -12,7 +12,8 @@ config ARM64_PTDUMP
who are working in architecture specific areas of the kernel.
It is probably not a good idea to enable this feature in a production
kernel.
- If in doubt, say "N"
+
+ If in doubt, say N.
config PID_IN_CONTEXTIDR
bool "Write the current PID to the CONTEXTIDR register"
@@ -38,15 +39,15 @@ config ARM64_RANDOMIZE_TEXT_OFFSET
value.
config DEBUG_SET_MODULE_RONX
- bool "Set loadable kernel module data as NX and text as RO"
- depends on MODULES
- help
- This option helps catch unintended modifications to loadable
- kernel module's text and read-only data. It also prevents execution
- of module data. Such protection may interfere with run-time code
- patching and dynamic kernel tracing - and they might also protect
- against certain classes of kernel exploits.
- If in doubt, say "N".
+ bool "Set loadable kernel module data as NX and text as RO"
+ depends on MODULES
+ default y
+ help
+ Is this is set, kernel module text and rodata will be made read-only.
+ This is to help catch accidental or malicious attempts to change the
+ kernel's executable code.
+
+ If in doubt, say Y.
config DEBUG_RODATA
bool "Make kernel text and rodata read-only"
@@ -56,7 +57,7 @@ config DEBUG_RODATA
is to help catch accidental or malicious attempts to change the
kernel's executable code.
- If in doubt, say Y
+ If in doubt, say Y.
config DEBUG_ALIGN_RODATA
depends on DEBUG_RODATA
@@ -69,7 +70,7 @@ config DEBUG_ALIGN_RODATA
alignment and potentially wasted space. Turn on this option if
performance is more important than memory pressure.
- If in doubt, say N
+ If in doubt, say N.
source "drivers/hwtracing/coresight/Kconfig"
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 354d754..648a32c 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -60,7 +60,9 @@ head-y := arch/arm64/kernel/head.o
# The byte offset of the kernel image in RAM from the start of RAM.
ifeq ($(CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET), y)
-TEXT_OFFSET := $(shell awk 'BEGIN {srand(); printf "0x%03x000\n", int(512 * rand())}')
+TEXT_OFFSET := $(shell awk "BEGIN {srand(); printf \"0x%06x\n\", \
+ int(2 * 1024 * 1024 / (2 ^ $(CONFIG_ARM64_PAGE_SHIFT)) * \
+ rand()) * (2 ^ $(CONFIG_ARM64_PAGE_SHIFT))}")
else
TEXT_OFFSET := 0x00080000
endif
@@ -93,7 +95,7 @@ boot := arch/arm64/boot
Image: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
-Image.%: vmlinux
+Image.%: Image
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
zinstall install:
diff --git a/arch/arm64/boot/dts/lg/lg1312.dtsi b/arch/arm64/boot/dts/lg/lg1312.dtsi
index 3a4e9a2..fbafa24 100644
--- a/arch/arm64/boot/dts/lg/lg1312.dtsi
+++ b/arch/arm64/boot/dts/lg/lg1312.dtsi
@@ -125,7 +125,7 @@
#size-cells = <1>;
#interrupts-cells = <3>;
- compatible = "arm,amba-bus";
+ compatible = "simple-bus";
interrupt-parent = <&gic>;
ranges;
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 46f325a..d7f8e06 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -163,7 +163,7 @@
};
amba {
- compatible = "arm,amba-bus";
+ compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <2>;
ranges;
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 87e1985..9d9fd4b 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -80,12 +80,14 @@
#define APM_CPU_PART_POTENZA 0x000
#define CAVIUM_CPU_PART_THUNDERX 0x0A1
+#define CAVIUM_CPU_PART_THUNDERX_81XX 0x0A2
#define BRCM_CPU_PART_VULCAN 0x516
#define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53)
#define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57)
#define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX)
+#define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX)
#ifndef __ASSEMBLY__
diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
index 7a09c48..579b6e6 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -160,14 +160,14 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
#define STACK_RND_MASK (0x3ffff >> (PAGE_SHIFT - 12))
#endif
-#ifdef CONFIG_COMPAT
-
#ifdef __AARCH64EB__
#define COMPAT_ELF_PLATFORM ("v8b")
#else
#define COMPAT_ELF_PLATFORM ("v8l")
#endif
+#ifdef CONFIG_COMPAT
+
#define COMPAT_ELF_ET_DYN_BASE (2 * TASK_SIZE_32 / 3)
/* AArch32 registers. */
diff --git a/arch/arm64/include/asm/kgdb.h b/arch/arm64/include/asm/kgdb.h
index f69f69c..da84645 100644
--- a/arch/arm64/include/asm/kgdb.h
+++ b/arch/arm64/include/asm/kgdb.h
@@ -38,25 +38,54 @@ extern int kgdb_fault_expected;
#endif /* !__ASSEMBLY__ */
/*
- * gdb is expecting the following registers layout.
+ * gdb remote procotol (well most versions of it) expects the following
+ * register layout.
*
* General purpose regs:
* r0-r30: 64 bit
* sp,pc : 64 bit
- * pstate : 64 bit
- * Total: 34
+ * pstate : 32 bit
+ * Total: 33 + 1
* FPU regs:
* f0-f31: 128 bit
- * Total: 32
- * Extra regs
* fpsr & fpcr: 32 bit
- * Total: 2
+ * Total: 32 + 2
*
+ * To expand a little on the "most versions of it"... when the gdb remote
+ * protocol for AArch64 was developed it depended on a statement in the
+ * Architecture Reference Manual that claimed "SPSR_ELx is a 32-bit register".
+ * and, as a result, allocated only 32-bits for the PSTATE in the remote
+ * protocol. In fact this statement is still present in ARM DDI 0487A.i.
+ *
+ * Unfortunately "is a 32-bit register" has a very special meaning for
+ * system registers. It means that "the upper bits, bits[63:32], are
+ * RES0.". RES0 is heavily used in the ARM architecture documents as a
+ * way to leave space for future architecture changes. So to translate a
+ * little for people who don't spend their spare time reading ARM architecture
+ * manuals, what "is a 32-bit register" actually means in this context is
+ * "is a 64-bit register but one with no meaning allocated to any of the
+ * upper 32-bits... *yet*".
+ *
+ * Perhaps then we should not be surprised that this has led to some
+ * confusion. Specifically a patch, influenced by the above translation,
+ * that extended PSTATE to 64-bit was accepted into gdb-7.7 but the patch
+ * was reverted in gdb-7.8.1 and all later releases, when this was
+ * discovered to be an undocumented protocol change.
+ *
+ * So... it is *not* wrong for us to only allocate 32-bits to PSTATE
+ * here even though the kernel itself allocates 64-bits for the same
+ * state. That is because this bit of code tells the kernel how the gdb
+ * remote protocol (well most versions of it) describes the register state.
+ *
+ * Note that if you are using one of the versions of gdb that supports
+ * the gdb-7.7 version of the protocol you cannot use kgdb directly
+ * without providing a custom register description (gdb can load new
+ * protocol descriptions at runtime).
*/
-#define _GP_REGS 34
+#define _GP_REGS 33
#define _FP_REGS 32
-#define _EXTRA_REGS 2
+#define _EXTRA_REGS 3
/*
* general purpose registers size in bytes.
* pstate is only 4 bytes. subtract 4 bytes
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 72a3025..31b7322 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -55,8 +55,9 @@
#define VMEMMAP_SIZE (UL(1) << (VA_BITS - PAGE_SHIFT - 1 + STRUCT_PAGE_MAX_SHIFT))
/*
- * PAGE_OFFSET - the virtual address of the start of the kernel image (top
+ * PAGE_OFFSET - the virtual address of the start of the linear map (top
* (VA_BITS - 1))
+ * KIMAGE_VADDR - the virtual address of the start of the kernel image
* VA_BITS - the maximum number of bits for virtual addresses.
* VA_START - the first kernel virtual address.
* TASK_SIZE - the maximum size of a user space task.
diff --git a/arch/arm64/include/asm/page.h b/arch/arm64/include/asm/page.h
index 17b45f7..8472c6d 100644
--- a/arch/arm64/include/asm/page.h
+++ b/arch/arm64/include/asm/page.h
@@ -23,16 +23,8 @@
/* PAGE_SHIFT determines the page size */
/* CONT_SHIFT determines the number of pages which can be tracked together */
-#ifdef CONFIG_ARM64_64K_PAGES
-#define PAGE_SHIFT 16
-#define CONT_SHIFT 5
-#elif defined(CONFIG_ARM64_16K_PAGES)
-#define PAGE_SHIFT 14
-#define CONT_SHIFT 7
-#else
-#define PAGE_SHIFT 12
-#define CONT_SHIFT 4
-#endif
+#define PAGE_SHIFT CONFIG_ARM64_PAGE_SHIFT
+#define CONT_SHIFT CONFIG_ARM64_CONT_SHIFT
#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
diff --git a/arch/arm64/include/asm/pgalloc.h b/arch/arm64/include/asm/pgalloc.h
index ff98585..d25f4f1 100644
--- a/arch/arm64/include/asm/pgalloc.h
+++ b/arch/arm64/include/asm/pgalloc.h
@@ -26,7 +26,7 @@
#define check_pgt_cache() do { } while (0)
-#define PGALLOC_GFP (GFP_KERNEL | __GFP_NOTRACK | __GFP_REPEAT | __GFP_ZERO)
+#define PGALLOC_GFP (GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO)
#define PGD_SIZE (PTRS_PER_PGD * sizeof(pgd_t))
#if CONFIG_PGTABLE_LEVELS > 2
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index a307eb6..7f94755 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -117,6 +117,8 @@ struct pt_regs {
};
u64 orig_x0;
u64 syscallno;
+ u64 orig_addr_limit;
+ u64 unused; // maintain 16 byte alignment
};
#define arch_has_single_step() (1)
diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h
index 433e504..0226447 100644
--- a/arch/arm64/include/asm/smp.h
+++ b/arch/arm64/include/asm/smp.h
@@ -124,6 +124,18 @@ static inline void cpu_panic_kernel(void)
cpu_park_loop();
}
+/*
+ * If a secondary CPU enters the kernel but fails to come online,
+ * (e.g. due to mismatched features), and cannot exit the kernel,
+ * we increment cpus_stuck_in_kernel and leave the CPU in a
+ * quiesecent loop within the kernel text. The memory containing
+ * this loop must not be re-used for anything else as the 'stuck'
+ * core is executing it.
+ *
+ * This function is used to inhibit features like kexec and hibernate.
+ */
+bool cpus_are_stuck_in_kernel(void);
+
#endif /* ifndef __ASSEMBLY__ */
#endif /* ifndef __ASM_SMP_H */
diff --git a/arch/arm64/include/asm/spinlock.h b/arch/arm64/include/asm/spinlock.h
index fc9682b..e875a5a 100644
--- a/arch/arm64/include/asm/spinlock.h
+++ b/arch/arm64/include/asm/spinlock.h
@@ -30,22 +30,53 @@ static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
{
unsigned int tmp;
arch_spinlock_t lockval;
+ u32 owner;
+
+ /*
+ * Ensure prior spin_lock operations to other locks have completed
+ * on this CPU before we test whether "lock" is locked.
+ */
+ smp_mb();
+ owner = READ_ONCE(lock->owner) << 16;
asm volatile(
" sevl\n"
"1: wfe\n"
"2: ldaxr %w0, %2\n"
+ /* Is the lock free? */
" eor %w1, %w0, %w0, ror #16\n"
-" cbnz %w1, 1b\n"
+" cbz %w1, 3f\n"
+ /* Lock taken -- has there been a subsequent unlock->lock transition? */
+" eor %w1, %w3, %w0, lsl #16\n"
+" cbz %w1, 1b\n"
+ /*
+ * The owner has been updated, so there was an unlock->lock
+ * transition that we missed. That means we can rely on the
+ * store-release of the unlock operation paired with the
+ * load-acquire of the lock operation to publish any of our
+ * previous stores to the new lock owner and therefore don't
+ * need to bother with the writeback below.
+ */
+" b 4f\n"
+"3:\n"
+ /*
+ * Serialise against any concurrent lockers by writing back the
+ * unlocked lock value
+ */
ARM64_LSE_ATOMIC_INSN(
/* LL/SC */
" stxr %w1, %w0, %2\n"
-" cbnz %w1, 2b\n", /* Serialise against any concurrent lockers */
- /* LSE atomics */
" nop\n"
-" nop\n")
+" nop\n",
+ /* LSE atomics */
+" mov %w1, %w0\n"
+" cas %w0, %w0, %2\n"
+" eor %w1, %w1, %w0\n")
+ /* Somebody else wrote to the lock, GOTO 10 and reload the value */
+" cbnz %w1, 2b\n"
+"4:"
: "=&r" (lockval), "=&r" (tmp), "+Q" (*lock)
- :
+ : "r" (owner)
: "memory");
}
@@ -148,6 +179,7 @@ static inline int arch_spin_value_unlocked(arch_spinlock_t lock)
static inline int arch_spin_is_locked(arch_spinlock_t *lock)
{
+ smp_mb(); /* See arch_spin_unlock_wait */
return !arch_spin_value_unlocked(READ_ONCE(*lock));
}
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 0685d74..9e397a5 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -81,19 +81,6 @@ static inline void set_fs(mm_segment_t fs)
#define segment_eq(a, b) ((a) == (b))
/*
- * Return 1 if addr < current->addr_limit, 0 otherwise.
- */
-#define __addr_ok(addr) \
-({ \
- unsigned long flag; \
- asm("cmp %1, %0; cset %0, lo" \
- : "=&r" (flag) \
- : "r" (addr), "0" (current_thread_info()->addr_limit) \
- : "cc"); \
- flag; \
-})
-
-/*
* Test whether a block of memory is a valid user space address.
* Returns 1 if the range is valid, 0 otherwise.
*
diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
index 41e58fe..e78ac26 100644
--- a/arch/arm64/include/asm/unistd.h
+++ b/arch/arm64/include/asm/unistd.h
@@ -44,7 +44,7 @@
#define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2)
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5)
-#define __NR_compat_syscalls 390
+#define __NR_compat_syscalls 394
#endif
#define __ARCH_WANT_SYS_CLONE
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 5b925b7..b7e8ef1 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -801,6 +801,14 @@ __SYSCALL(__NR_execveat, compat_sys_execveat)
__SYSCALL(__NR_userfaultfd, sys_userfaultfd)
#define __NR_membarrier 389
__SYSCALL(__NR_membarrier, sys_membarrier)
+#define __NR_mlock2 390
+__SYSCALL(__NR_mlock2, sys_mlock2)
+#define __NR_copy_file_range 391
+__SYSCALL(__NR_copy_file_range, sys_copy_file_range)
+#define __NR_preadv2 392
+__SYSCALL(__NR_preadv2, compat_sys_preadv2)
+#define __NR_pwritev2 393
+__SYSCALL(__NR_pwritev2, compat_sys_pwritev2)
/*
* Please add new compat syscalls above this comment and update
diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
index f8e5d47..2f4ba77 100644
--- a/arch/arm64/kernel/asm-offsets.c
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -60,6 +60,7 @@ int main(void)
DEFINE(S_PC, offsetof(struct pt_regs, pc));
DEFINE(S_ORIG_X0, offsetof(struct pt_regs, orig_x0));
DEFINE(S_SYSCALLNO, offsetof(struct pt_regs, syscallno));
+ DEFINE(S_ORIG_ADDR_LIMIT, offsetof(struct pt_regs, orig_addr_limit));
DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs));
BLANK();
DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter));
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index d427894..af716b6 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -98,6 +98,12 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
MIDR_RANGE(MIDR_THUNDERX, 0x00,
(1 << MIDR_VARIANT_SHIFT) | 1),
},
+ {
+ /* Cavium ThunderX, T81 pass 1.0 */
+ .desc = "Cavium erratum 27456",
+ .capability = ARM64_WORKAROUND_CAVIUM_27456,
+ MIDR_RANGE(MIDR_THUNDERX_81XX, 0x00, 0x00),
+ },
#endif
{
}
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 3808470..c173d32 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -22,6 +22,8 @@
#include <linux/bitops.h>
#include <linux/bug.h>
+#include <linux/compat.h>
+#include <linux/elf.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/personality.h>
@@ -104,6 +106,7 @@ static const char *const compat_hwcap2_str[] = {
static int c_show(struct seq_file *m, void *v)
{
int i, j;
+ bool compat = personality(current->personality) == PER_LINUX32;
for_each_online_cpu(i) {
struct cpuinfo_arm64 *cpuinfo = &per_cpu(cpu_data, i);
@@ -115,6 +118,9 @@ static int c_show(struct seq_file *m, void *v)
* "processor". Give glibc what it expects.
*/
seq_printf(m, "processor\t: %d\n", i);
+ if (compat)
+ seq_printf(m, "model name\t: ARMv8 Processor rev %d (%s)\n",
+ MIDR_REVISION(midr), COMPAT_ELF_PLATFORM);
seq_printf(m, "BogoMIPS\t: %lu.%02lu\n",
loops_per_jiffy / (500000UL/HZ),
@@ -127,7 +133,7 @@ static int c_show(struct seq_file *m, void *v)
* software which does already (at least for 32-bit).
*/
seq_puts(m, "Features\t:");
- if (personality(current->personality) == PER_LINUX32) {
+ if (compat) {
#ifdef CONFIG_COMPAT
for (j = 0; compat_hwcap_str[j]; j++)
if (compat_elf_hwcap & (1 << j))
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 12e8d2b..6c3b734 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -28,6 +28,7 @@
#include <asm/errno.h>
#include <asm/esr.h>
#include <asm/irq.h>
+#include <asm/memory.h>
#include <asm/thread_info.h>
#include <asm/unistd.h>
@@ -97,7 +98,14 @@
mov x29, xzr // fp pointed to user-space
.else
add x21, sp, #S_FRAME_SIZE
- .endif
+ get_thread_info tsk
+ /* Save the task's original addr_limit and set USER_DS (TASK_SIZE_64) */
+ ldr x20, [tsk, #TI_ADDR_LIMIT]
+ str x20, [sp, #S_ORIG_ADDR_LIMIT]
+ mov x20, #TASK_SIZE_64
+ str x20, [tsk, #TI_ADDR_LIMIT]
+ ALTERNATIVE(nop, SET_PSTATE_UAO(0), ARM64_HAS_UAO, CONFIG_ARM64_UAO)
+ .endif /* \el == 0 */
mrs x22, elr_el1
mrs x23, spsr_el1
stp lr, x21, [sp, #S_LR]
@@ -128,6 +136,14 @@
.endm
.macro kernel_exit, el
+ .if \el != 0
+ /* Restore the task's original addr_limit. */
+ ldr x20, [sp, #S_ORIG_ADDR_LIMIT]
+ str x20, [tsk, #TI_ADDR_LIMIT]
+
+ /* No need to restore UAO, it will be restored from SPSR_EL1 */
+ .endif
+
ldp x21, x22, [sp, #S_PC] // load ELR, SPSR
.if \el == 0
ct_user_enter
@@ -406,7 +422,6 @@ el1_irq:
bl trace_hardirqs_off
#endif
- get_thread_info tsk
irq_handler
#ifdef CONFIG_PREEMPT
diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c
index f8df75d..21ab5df 100644
--- a/arch/arm64/kernel/hibernate.c
+++ b/arch/arm64/kernel/hibernate.c
@@ -33,6 +33,7 @@
#include <asm/pgtable.h>
#include <asm/pgtable-hwdef.h>
#include <asm/sections.h>
+#include <asm/smp.h>
#include <asm/suspend.h>
#include <asm/virt.h>
@@ -236,6 +237,11 @@ int swsusp_arch_suspend(void)
unsigned long flags;
struct sleep_stack_data state;
+ if (cpus_are_stuck_in_kernel()) {
+ pr_err("Can't hibernate: no mechanism to offline secondary CPUs.\n");
+ return -EBUSY;
+ }
+
local_dbg_save(flags);
if (__cpu_suspend_enter(&state)) {
diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c
index b67531a..b5f063e 100644
--- a/arch/arm64/kernel/kgdb.c
+++ b/arch/arm64/kernel/kgdb.c
@@ -58,7 +58,17 @@ struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] = {
{ "x30", 8, offsetof(struct pt_regs, regs[30])},
{ "sp", 8, offsetof(struct pt_regs, sp)},
{ "pc", 8, offsetof(struct pt_regs, pc)},
- { "pstate", 8, offsetof(struct pt_regs, pstate)},
+ /*
+ * struct pt_regs thinks PSTATE is 64-bits wide but gdb remote
+ * protocol disagrees. Therefore we must extract only the lower
+ * 32-bits. Look for the big comment in asm/kgdb.h for more
+ * detail.
+ */
+ { "pstate", 4, offsetof(struct pt_regs, pstate)
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ + 4
+#endif
+ },
{ "v0", 16, -1 },
{ "v1", 16, -1 },
{ "v2", 16, -1 },
@@ -128,6 +138,8 @@ sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *task)
memset((char *)gdb_regs, 0, NUMREGBYTES);
thread_regs = task_pt_regs(task);
memcpy((void *)gdb_regs, (void *)thread_regs->regs, GP_REG_BYTES);
+ /* Special case for PSTATE (check comments in asm/kgdb.h for details) */
+ dbg_get_reg(33, gdb_regs + GP_REG_BYTES, thread_regs);
}
void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc)
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 678e084..62ff3c0 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -909,3 +909,21 @@ int setup_profiling_timer(unsigned int multiplier)
{
return -EINVAL;
}
+
+static bool have_cpu_die(void)
+{
+#ifdef CONFIG_HOTPLUG_CPU
+ int any_cpu = raw_smp_processor_id();
+
+ if (cpu_ops[any_cpu]->cpu_die)
+ return true;
+#endif
+ return false;
+}
+
+bool cpus_are_stuck_in_kernel(void)
+{
+ bool smp_spin_tables = (num_possible_cpus() > 1 && !have_cpu_die());
+
+ return !!cpus_stuck_in_kernel || smp_spin_tables;
+}
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index c539208..2a43012 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -64,8 +64,7 @@ static void dump_mem(const char *lvl, const char *str, unsigned long bottom,
/*
* We need to switch to kernel mode so that we can use __get_user
- * to safely read from kernel space. Note that we now dump the
- * code first, just in case the backtrace kills us.
+ * to safely read from kernel space.
*/
fs = get_fs();
set_fs(KERNEL_DS);
@@ -111,21 +110,12 @@ static void dump_backtrace_entry(unsigned long where)
print_ip_sym(where);
}
-static void dump_instr(const char *lvl, struct pt_regs *regs)
+static void __dump_instr(const char *lvl, struct pt_regs *regs)
{
unsigned long addr = instruction_pointer(regs);
- mm_segment_t fs;
char str[sizeof("00000000 ") * 5 + 2 + 1], *p = str;
int i;
- /*
- * We need to switch to kernel mode so that we can use __get_user
- * to safely read from kernel space. Note that we now dump the
- * code first, just in case the backtrace kills us.
- */
- fs = get_fs();
- set_fs(KERNEL_DS);
-
for (i = -4; i < 1; i++) {
unsigned int val, bad;
@@ -139,8 +129,18 @@ static void dump_instr(const char *lvl, struct pt_regs *regs)
}
}
printk("%sCode: %s\n", lvl, str);
+}
- set_fs(fs);
+static void dump_instr(const char *lvl, struct pt_regs *regs)
+{
+ if (!user_mode(regs)) {
+ mm_segment_t fs = get_fs();
+ set_fs(KERNEL_DS);
+ __dump_instr(lvl, regs);
+ set_fs(fs);
+ } else {
+ __dump_instr(lvl, regs);
+ }
}
static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
@@ -477,8 +477,9 @@ asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr)
void __user *pc = (void __user *)instruction_pointer(regs);
console_verbose();
- pr_crit("Bad mode in %s handler detected, code 0x%08x -- %s\n",
- handler[reason], esr, esr_get_class_string(esr));
+ pr_crit("Bad mode in %s handler detected on CPU%d, code 0x%08x -- %s\n",
+ handler[reason], smp_processor_id(), esr,
+ esr_get_class_string(esr));
__show_regs(regs);
info.si_signo = SIGILL;
diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c
index fff7cd4..5f8f80b 100644
--- a/arch/arm64/kvm/hyp/vgic-v3-sr.c
+++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c
@@ -169,7 +169,8 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu)
* Make sure stores to the GIC via the memory mapped interface
* are now visible to the system register interface.
*/
- dsb(st);
+ if (!cpu_if->vgic_sre)
+ dsb(st);
cpu_if->vgic_vmcr = read_gicreg(ICH_VMCR_EL2);
@@ -190,12 +191,11 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu)
if (!(vcpu->arch.vgic_cpu.live_lrs & (1UL << i)))
continue;
- if (cpu_if->vgic_elrsr & (1 << i)) {
+ if (cpu_if->vgic_elrsr & (1 << i))
cpu_if->vgic_lr[i] &= ~ICH_LR_STATE;
- continue;
- }
+ else
+ cpu_if->vgic_lr[i] = __gic_v3_get_lr(i);
- cpu_if->vgic_lr[i] = __gic_v3_get_lr(i);
__gic_v3_set_lr(0, i);
}
@@ -236,8 +236,12 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu)
val = read_gicreg(ICC_SRE_EL2);
write_gicreg(val | ICC_SRE_EL2_ENABLE, ICC_SRE_EL2);
- isb(); /* Make sure ENABLE is set at EL2 before setting SRE at EL1 */
- write_gicreg(1, ICC_SRE_EL1);
+
+ if (!cpu_if->vgic_sre) {
+ /* Make sure ENABLE is set at EL2 before setting SRE at EL1 */
+ isb();
+ write_gicreg(1, ICC_SRE_EL1);
+ }
}
void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
@@ -256,8 +260,10 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
* been actually programmed with the value we want before
* starting to mess with the rest of the GIC.
*/
- write_gicreg(cpu_if->vgic_sre, ICC_SRE_EL1);
- isb();
+ if (!cpu_if->vgic_sre) {
+ write_gicreg(0, ICC_SRE_EL1);
+ isb();
+ }
val = read_gicreg(ICH_VTR_EL2);
max_lr_idx = vtr_to_max_lr_idx(val);
@@ -306,18 +312,18 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
* (re)distributors. This ensure the guest will read the
* correct values from the memory-mapped interface.
*/
- isb();
- dsb(sy);
+ if (!cpu_if->vgic_sre) {
+ isb();
+ dsb(sy);
+ }
vcpu->arch.vgic_cpu.live_lrs = live_lrs;
/*
* Prevent the guest from touching the GIC system registers if
* SRE isn't enabled for GICv3 emulation.
*/
- if (!cpu_if->vgic_sre) {
- write_gicreg(read_gicreg(ICC_SRE_EL2) & ~ICC_SRE_EL2_ENABLE,
- ICC_SRE_EL2);
- }
+ write_gicreg(read_gicreg(ICC_SRE_EL2) & ~ICC_SRE_EL2_ENABLE,
+ ICC_SRE_EL2);
}
void __hyp_text __vgic_v3_init_lrs(void)
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 7bbe3ff..a57d650 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -134,6 +134,17 @@ static bool access_gic_sgi(struct kvm_vcpu *vcpu,
return true;
}
+static bool access_gic_sre(struct kvm_vcpu *vcpu,
+ struct sys_reg_params *p,
+ const struct sys_reg_desc *r)
+{
+ if (p->is_write)
+ return ignore_write(vcpu, p);
+
+ p->regval = vcpu->arch.vgic_cpu.vgic_v3.vgic_sre;
+ return true;
+}
+
static bool trap_raz_wi(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
const struct sys_reg_desc *r)
@@ -958,7 +969,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
access_gic_sgi },
/* ICC_SRE_EL1 */
{ Op0(0b11), Op1(0b000), CRn(0b1100), CRm(0b1100), Op2(0b101),
- trap_raz_wi },
+ access_gic_sre },
/* CONTEXTIDR_EL1 */
{ Op0(0b11), Op1(0b000), CRn(0b1101), CRm(0b0000), Op2(0b001),
diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c
index b7b3978..efcf1f7 100644
--- a/arch/arm64/mm/context.c
+++ b/arch/arm64/mm/context.c
@@ -179,7 +179,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
&asid_generation);
flush_context(cpu);
- /* We have at least 1 ASID per CPU, so this will always succeed */
+ /* We have more ASIDs than CPUs, so this will always succeed */
asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, 1);
set_asid:
@@ -227,8 +227,11 @@ switch_mm_fastpath:
static int asids_init(void)
{
asid_bits = get_cpu_asid_bits();
- /* If we end up with more CPUs than ASIDs, expect things to crash */
- WARN_ON(NUM_USER_ASIDS < num_possible_cpus());
+ /*
+ * Expect allocation after rollover to fail if we don't have at least
+ * one more ASID than CPUs. ASID #0 is reserved for init_mm.
+ */
+ WARN_ON(NUM_USER_ASIDS - 1 <= num_possible_cpus());
atomic64_set(&asid_generation, ASID_FIRST_VERSION);
asid_map = kzalloc(BITS_TO_LONGS(NUM_USER_ASIDS) * sizeof(*asid_map),
GFP_KERNEL);
diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c
index 8404190..ccfde23 100644
--- a/arch/arm64/mm/dump.c
+++ b/arch/arm64/mm/dump.c
@@ -150,6 +150,7 @@ static const struct prot_bits pte_bits[] = {
struct pg_level {
const struct prot_bits *bits;
+ const char *name;
size_t num;
u64 mask;
};
@@ -157,15 +158,19 @@ struct pg_level {
static struct pg_level pg_level[] = {
{
}, { /* pgd */
+ .name = "PGD",
.bits = pte_bits,
.num = ARRAY_SIZE(pte_bits),
}, { /* pud */
+ .name = (CONFIG_PGTABLE_LEVELS > 3) ? "PUD" : "PGD",
.bits = pte_bits,
.num = ARRAY_SIZE(pte_bits),
}, { /* pmd */
+ .name = (CONFIG_PGTABLE_LEVELS > 2) ? "PMD" : "PGD",
.bits = pte_bits,
.num = ARRAY_SIZE(pte_bits),
}, { /* pte */
+ .name = "PTE",
.bits = pte_bits,
.num = ARRAY_SIZE(pte_bits),
},
@@ -214,7 +219,8 @@ static void note_page(struct pg_state *st, unsigned long addr, unsigned level,
delta >>= 10;
unit++;
}
- seq_printf(st->seq, "%9lu%c", delta, *unit);
+ seq_printf(st->seq, "%9lu%c %s", delta, *unit,
+ pg_level[st->level].name);
if (pg_level[st->level].bits)
dump_prot(st, pg_level[st->level].bits,
pg_level[st->level].num);
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 5954881..b1166d1 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -109,7 +109,7 @@ int ptep_set_access_flags(struct vm_area_struct *vma,
* PTE_RDONLY is cleared by default in the asm below, so set it in
* back if necessary (read-only or clean PTE).
*/
- if (!pte_write(entry) || !dirty)
+ if (!pte_write(entry) || !pte_sw_dirty(entry))
pte_val(entry) |= PTE_RDONLY;
/*
@@ -280,7 +280,8 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
}
if (permission_fault(esr) && (addr < USER_DS)) {
- if (get_fs() == KERNEL_DS)
+ /* regs->orig_addr_limit may be 0 if we entered from EL0 */
+ if (regs->orig_addr_limit == KERNEL_DS)
die("Accessing user space memory with fs=KERNEL_DS", regs, esr);
if (!search_exception_tables(regs->pc))
@@ -441,7 +442,7 @@ static int do_bad(unsigned long addr, unsigned int esr, struct pt_regs *regs)
return 1;
}
-static struct fault_info {
+static const struct fault_info {
int (*fn)(unsigned long addr, unsigned int esr, struct pt_regs *regs);
int sig;
int code;
diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c
index dbd12ea..43a76b0 100644
--- a/arch/arm64/mm/flush.c
+++ b/arch/arm64/mm/flush.c
@@ -71,10 +71,6 @@ void __sync_icache_dcache(pte_t pte, unsigned long addr)
{
struct page *page = pte_page(pte);
- /* no flushing needed for anonymous pages */
- if (!page_mapping(page))
- return;
-
if (!test_and_set_bit(PG_dcache_clean, &page->flags))
sync_icache_aliases(page_address(page),
PAGE_SIZE << compound_order(page));
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index aa8aee7..2e49bd2 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -306,6 +306,10 @@ static __init int setup_hugepagesz(char *opt)
hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT);
} else if (ps == PUD_SIZE) {
hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
+ } else if (ps == (PAGE_SIZE * CONT_PTES)) {
+ hugetlb_add_hstate(CONT_PTE_SHIFT);
+ } else if (ps == (PMD_SIZE * CONT_PMDS)) {
+ hugetlb_add_hstate((PMD_SHIFT + CONT_PMD_SHIFT) - PAGE_SHIFT);
} else {
hugetlb_bad_size();
pr_err("hugepagesz: Unsupported page size %lu K\n", ps >> 10);
@@ -314,3 +318,13 @@ static __init int setup_hugepagesz(char *opt)
return 1;
}
__setup("hugepagesz=", setup_hugepagesz);
+
+#ifdef CONFIG_ARM64_64K_PAGES
+static __init int add_default_hugepagesz(void)
+{
+ if (size_to_hstate(CONT_PTES * PAGE_SIZE) == NULL)
+ hugetlb_add_hstate(CONT_PMD_SHIFT);
+ return 0;
+}
+arch_initcall(add_default_hugepagesz);
+#endif
diff --git a/arch/avr32/include/asm/pgalloc.h b/arch/avr32/include/asm/pgalloc.h
index 1aba19d..db039cb 100644
--- a/arch/avr32/include/asm/pgalloc.h
+++ b/arch/avr32/include/asm/pgalloc.h
@@ -43,7 +43,7 @@ static inline void pgd_ctor(void *x)
*/
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
- return quicklist_alloc(QUICK_PGD, GFP_KERNEL | __GFP_REPEAT, pgd_ctor);
+ return quicklist_alloc(QUICK_PGD, GFP_KERNEL, pgd_ctor);
}
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
@@ -54,7 +54,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
- return quicklist_alloc(QUICK_PT, GFP_KERNEL | __GFP_REPEAT, NULL);
+ return quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL);
}
static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
@@ -63,7 +63,7 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
struct page *page;
void *pg;
- pg = quicklist_alloc(QUICK_PT, GFP_KERNEL | __GFP_REPEAT, NULL);
+ pg = quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL);
if (!pg)
return NULL;
diff --git a/arch/cris/include/asm/pgalloc.h b/arch/cris/include/asm/pgalloc.h
index 235ece4..42f1aff 100644
--- a/arch/cris/include/asm/pgalloc.h
+++ b/arch/cris/include/asm/pgalloc.h
@@ -24,14 +24,14 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
{
- pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
+ pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
return pte;
}
static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
{
struct page *pte;
- pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
+ pte = alloc_pages(GFP_KERNEL|__GFP_ZERO, 0);
if (!pte)
return NULL;
if (!pgtable_page_ctor(pte)) {
diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c
index 41907d2..c9ed14f 100644
--- a/arch/frv/mm/pgalloc.c
+++ b/arch/frv/mm/pgalloc.c
@@ -22,7 +22,7 @@ pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__((aligned(PAGE_SIZE)));
pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
{
- pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT);
+ pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL);
if (pte)
clear_page(pte);
return pte;
@@ -33,9 +33,9 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
struct page *page;
#ifdef CONFIG_HIGHPTE
- page = alloc_pages(GFP_KERNEL|__GFP_HIGHMEM|__GFP_REPEAT, 0);
+ page = alloc_pages(GFP_KERNEL|__GFP_HIGHMEM, 0);
#else
- page = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
+ page = alloc_pages(GFP_KERNEL, 0);
#endif
if (!page)
return NULL;
diff --git a/arch/hexagon/include/asm/pgalloc.h b/arch/hexagon/include/asm/pgalloc.h
index 77da3b0..eeebf86 100644
--- a/arch/hexagon/include/asm/pgalloc.h
+++ b/arch/hexagon/include/asm/pgalloc.h
@@ -64,7 +64,7 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
{
struct page *pte;
- pte = alloc_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
+ pte = alloc_page(GFP_KERNEL | __GFP_ZERO);
if (!pte)
return NULL;
if (!pgtable_page_ctor(pte)) {
@@ -78,7 +78,7 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
- gfp_t flags = GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO;
+ gfp_t flags = GFP_KERNEL | __GFP_ZERO;
return (pte_t *) __get_free_page(flags);
}
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index f80758c..e109ee9 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -45,7 +45,7 @@ config IA64
select GENERIC_SMP_IDLE_THREAD
select ARCH_INIT_TASK
select ARCH_TASK_STRUCT_ALLOCATOR
- select ARCH_THREAD_INFO_ALLOCATOR
+ select ARCH_THREAD_STACK_ALLOCATOR
select ARCH_CLOCKSOURCE_DATA
select GENERIC_TIME_VSYSCALL_OLD
select SYSCTL_ARCH_UNALIGN_NO_WARN
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index aa995b6..d1212b8 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -48,15 +48,15 @@ struct thread_info {
#ifndef ASM_OFFSETS_C
/* how to get the thread information struct from C */
#define current_thread_info() ((struct thread_info *) ((char *) current + IA64_TASK_SIZE))
-#define alloc_thread_info_node(tsk, node) \
- ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
+#define alloc_thread_stack_node(tsk, node) \
+ ((unsigned long *) ((char *) (tsk) + IA64_TASK_SIZE))
#define task_thread_info(tsk) ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
#else
#define current_thread_info() ((struct thread_info *) 0)
-#define alloc_thread_info_node(tsk, node) ((struct thread_info *) 0)
+#define alloc_thread_stack_node(tsk, node) ((unsigned long *) 0)
#define task_thread_info(tsk) ((struct thread_info *) 0)
#endif
-#define free_thread_info(ti) /* nothing */
+#define free_thread_stack(ti) /* nothing */
#define task_stack_page(tsk) ((void *)(tsk))
#define __HAVE_THREAD_FUNCTIONS
diff --git a/arch/ia64/kernel/init_task.c b/arch/ia64/kernel/init_task.c
index f9efe97..0eaa89f 100644
--- a/arch/ia64/kernel/init_task.c
+++ b/arch/ia64/kernel/init_task.c
@@ -26,6 +26,7 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
* handled. This is done by having a special ".data..init_task" section...
*/
#define init_thread_info init_task_mem.s.thread_info
+#define init_stack init_task_mem.stack
union {
struct {
diff --git a/arch/m32r/boot/compressed/m32r_sio.c b/arch/m32r/boot/compressed/m32r_sio.c
index 01d877c..cf3023d 100644
--- a/arch/m32r/boot/compressed/m32r_sio.c
+++ b/arch/m32r/boot/compressed/m32r_sio.c
@@ -8,12 +8,13 @@
#include <asm/processor.h>
-static void putc(char c);
+static void m32r_putc(char c);
static int puts(const char *s)
{
char c;
- while ((c = *s++)) putc(c);
+ while ((c = *s++))
+ m32r_putc(c);
return 0;
}
@@ -41,7 +42,7 @@ static int puts(const char *s)
#define BOOT_SIO0TXB PLD_ESIO0TXB
#endif
-static void putc(char c)
+static void m32r_putc(char c)
{
while ((*BOOT_SIO0STS & 0x3) != 0x3)
cpu_relax();
@@ -61,7 +62,7 @@ static void putc(char c)
#define SIO0TXB (volatile unsigned short *)(0x00efd000 + 30)
#endif
-static void putc(char c)
+static void m32r_putc(char c)
{
while ((*SIO0STS & 0x1) == 0)
cpu_relax();
diff --git a/arch/m68k/coldfire/head.S b/arch/m68k/coldfire/head.S
index fa31be2..73d92ea 100644
--- a/arch/m68k/coldfire/head.S
+++ b/arch/m68k/coldfire/head.S
@@ -288,7 +288,7 @@ _clear_bss:
#endif
/*
- * Assember start up done, start code proper.
+ * Assembler start up done, start code proper.
*/
jsr start_kernel /* start Linux kernel */
diff --git a/arch/m68k/coldfire/m5272.c b/arch/m68k/coldfire/m5272.c
index c525e4c..9abb1a4 100644
--- a/arch/m68k/coldfire/m5272.c
+++ b/arch/m68k/coldfire/m5272.c
@@ -111,7 +111,7 @@ void __init config_BSP(char *commandp, int size)
/***************************************************************************/
/*
- * Some 5272 based boards have the FEC ethernet diectly connected to
+ * Some 5272 based boards have the FEC ethernet directly connected to
* an ethernet switch. In this case we need to use the fixed phy type,
* and we need to declare it early in boot.
*/
diff --git a/arch/m68k/coldfire/pci.c b/arch/m68k/coldfire/pci.c
index 821de92..6a640be 100644
--- a/arch/m68k/coldfire/pci.c
+++ b/arch/m68k/coldfire/pci.c
@@ -42,7 +42,7 @@ static unsigned long iospace;
/*
* We need to be carefull probing on bus 0 (directly connected to host
- * bridge). We should only acccess the well defined possible devices in
+ * bridge). We should only access the well defined possible devices in
* use, ignore aliases and the like.
*/
static unsigned char mcf_host_slot2sid[32] = {
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index 3ee6976..8f5b6f7 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -359,6 +360,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -553,7 +555,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index e96787f..31bded9 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -341,6 +342,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -512,7 +514,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index 083fe6b..0d7739e 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -350,6 +351,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -533,7 +535,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
index 475130c..2cbb5c4 100644
--- a/arch/m68k/configs/bvme6000_defconfig
+++ b/arch/m68k/configs/bvme6000_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -340,6 +341,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -504,7 +506,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
index 4339658..96102a4 100644
--- a/arch/m68k/configs/hp300_defconfig
+++ b/arch/m68k/configs/hp300_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -341,6 +342,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -514,7 +516,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
index 831cc8c..97d88f7 100644
--- a/arch/m68k/configs/mac_defconfig
+++ b/arch/m68k/configs/mac_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -357,6 +358,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -536,7 +538,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
index 6377afe..be25ef2 100644
--- a/arch/m68k/configs/multi_defconfig
+++ b/arch/m68k/configs/multi_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -390,6 +391,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -616,7 +618,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
index 4304b3d..a008344 100644
--- a/arch/m68k/configs/mvme147_defconfig
+++ b/arch/m68k/configs/mvme147_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -339,6 +340,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -504,7 +506,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index 074bda4..6735a25 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -340,6 +341,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -504,7 +506,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
index 07b9fa8..780c6e9 100644
--- a/arch/m68k/configs/q40_defconfig
+++ b/arch/m68k/configs/q40_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -346,6 +347,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -527,7 +529,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
index 36e6fae..44693cf 100644
--- a/arch/m68k/configs/sun3_defconfig
+++ b/arch/m68k/configs/sun3_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -337,6 +338,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -506,7 +508,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
index 903acf9..ef0071d 100644
--- a/arch/m68k/configs/sun3x_defconfig
+++ b/arch/m68k/configs/sun3x_defconfig
@@ -9,6 +9,7 @@ CONFIG_LOG_BUF_SHIFT=16
# CONFIG_PID_NS is not set
# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_USERFAULTFD=y
CONFIG_SLAB=y
CONFIG_MODULES=y
@@ -337,6 +338,7 @@ CONFIG_MACVTAP=m
CONFIG_IPVLAN=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
CONFIG_NETCONSOLE_DYNAMIC=y
@@ -506,7 +508,9 @@ CONFIG_TEST_STRING_HELPERS=m
CONFIG_TEST_KSTRTOX=m
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
+CONFIG_TEST_UUID=m
CONFIG_TEST_RHASHTABLE=m
+CONFIG_TEST_HASH=m
CONFIG_TEST_LKM=m
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
diff --git a/arch/m68k/ifpsp060/src/fpsp.S b/arch/m68k/ifpsp060/src/fpsp.S
index 78cb60f..9bbffeb 100644
--- a/arch/m68k/ifpsp060/src/fpsp.S
+++ b/arch/m68k/ifpsp060/src/fpsp.S
@@ -10191,7 +10191,7 @@ xdnrm_con:
xdnrm_sd:
mov.l %a1,-(%sp)
tst.b LOCAL_EX(%a0) # is denorm pos or neg?
- smi.b %d1 # set d0 accodingly
+ smi.b %d1 # set d0 accordingly
bsr.l unf_sub
mov.l (%sp)+,%a1
xdnrm_exit:
@@ -10990,7 +10990,7 @@ src_qnan_m:
# routines where an instruction is selected by an index into
# a large jump table corresponding to a given instruction which
# has been decoded. Flow continues here where we now decode
-# further accoding to the source operand type.
+# further according to the source operand type.
#
global fsinh
@@ -23196,14 +23196,14 @@ m_sign:
#
# 1. Branch on the sign of the adjusted exponent.
# 2p.(positive exp)
-# 2. Check M16 and the digits in lwords 2 and 3 in decending order.
+# 2. Check M16 and the digits in lwords 2 and 3 in descending order.
# 3. Add one for each zero encountered until a non-zero digit.
# 4. Subtract the count from the exp.
# 5. Check if the exp has crossed zero in #3 above; make the exp abs
# and set SE.
# 6. Multiply the mantissa by 10**count.
# 2n.(negative exp)
-# 2. Check the digits in lwords 3 and 2 in decending order.
+# 2. Check the digits in lwords 3 and 2 in descending order.
# 3. Add one for each zero encountered until a non-zero digit.
# 4. Add the count to the exp.
# 5. Check if the exp has crossed zero in #3 above; clear SE.
diff --git a/arch/m68k/ifpsp060/src/pfpsp.S b/arch/m68k/ifpsp060/src/pfpsp.S
index 4aedef9..3535e6c 100644
--- a/arch/m68k/ifpsp060/src/pfpsp.S
+++ b/arch/m68k/ifpsp060/src/pfpsp.S
@@ -13156,14 +13156,14 @@ m_sign:
#
# 1. Branch on the sign of the adjusted exponent.
# 2p.(positive exp)
-# 2. Check M16 and the digits in lwords 2 and 3 in decending order.
+# 2. Check M16 and the digits in lwords 2 and 3 in descending order.
# 3. Add one for each zero encountered until a non-zero digit.
# 4. Subtract the count from the exp.
# 5. Check if the exp has crossed zero in #3 above; make the exp abs
# and set SE.
# 6. Multiply the mantissa by 10**count.
# 2n.(negative exp)
-# 2. Check the digits in lwords 3 and 2 in decending order.
+# 2. Check the digits in lwords 3 and 2 in descending order.
# 3. Add one for each zero encountered until a non-zero digit.
# 4. Add the count to the exp.
# 5. Check if the exp has crossed zero in #3 above; clear SE.
diff --git a/arch/m68k/include/asm/dma.h b/arch/m68k/include/asm/dma.h
index 429fe26..208b4da 100644
--- a/arch/m68k/include/asm/dma.h
+++ b/arch/m68k/include/asm/dma.h
@@ -18,7 +18,7 @@
* AUG/22/2000 : added support for 32-bit Dual-Address-Mode (K) 2000
* Oliver Kamphenkel (O.Kamphenkel@tu-bs.de)
*
- * AUG/25/2000 : addad support for 8, 16 and 32-bit Single-Address-Mode (K)2000
+ * AUG/25/2000 : added support for 8, 16 and 32-bit Single-Address-Mode (K)2000
* Oliver Kamphenkel (O.Kamphenkel@tu-bs.de)
*
* APR/18/2002 : added proper support for MCF5272 DMA controller.
diff --git a/arch/m68k/include/asm/m525xsim.h b/arch/m68k/include/asm/m525xsim.h
index f186459..699f20c 100644
--- a/arch/m68k/include/asm/m525xsim.h
+++ b/arch/m68k/include/asm/m525xsim.h
@@ -123,10 +123,10 @@
/*
* I2C module.
*/
-#define MCFI2C_BASE0 (MCF_MBAR + 0x280) /* Base addreess I2C0 */
+#define MCFI2C_BASE0 (MCF_MBAR + 0x280) /* Base address I2C0 */
#define MCFI2C_SIZE0 0x20 /* Register set size */
-#define MCFI2C_BASE1 (MCF_MBAR2 + 0x440) /* Base addreess I2C1 */
+#define MCFI2C_BASE1 (MCF_MBAR2 + 0x440) /* Base address I2C1 */
#define MCFI2C_SIZE1 0x20 /* Register set size */
/*
diff --git a/arch/m68k/include/asm/mcf_pgalloc.h b/arch/m68k/include/asm/mcf_pgalloc.h
index f9924fb..fb95aed 100644
--- a/arch/m68k/include/asm/mcf_pgalloc.h
+++ b/arch/m68k/include/asm/mcf_pgalloc.h
@@ -14,7 +14,7 @@ extern const char bad_pmd_string[];
extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
- unsigned long page = __get_free_page(GFP_DMA|__GFP_REPEAT);
+ unsigned long page = __get_free_page(GFP_DMA);
if (!page)
return NULL;
@@ -51,7 +51,7 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page,
static inline struct page *pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
- struct page *page = alloc_pages(GFP_DMA|__GFP_REPEAT, 0);
+ struct page *page = alloc_pages(GFP_DMA, 0);
pte_t *pte;
if (!page)
diff --git a/arch/m68k/include/asm/mcfmmu.h b/arch/m68k/include/asm/mcfmmu.h
index 26cc3d5..8824236 100644
--- a/arch/m68k/include/asm/mcfmmu.h
+++ b/arch/m68k/include/asm/mcfmmu.h
@@ -38,7 +38,7 @@
/*
* MMU Operation register.
*/
-#define MMUOR_UAA 0x00000001 /* Update allocatiom address */
+#define MMUOR_UAA 0x00000001 /* Update allocation address */
#define MMUOR_ACC 0x00000002 /* TLB access */
#define MMUOR_RD 0x00000004 /* TLB access read */
#define MMUOR_WR 0x00000000 /* TLB access write */
diff --git a/arch/m68k/include/asm/motorola_pgalloc.h b/arch/m68k/include/asm/motorola_pgalloc.h
index 24bcba4..c895b98 100644
--- a/arch/m68k/include/asm/motorola_pgalloc.h
+++ b/arch/m68k/include/asm/motorola_pgalloc.h
@@ -11,7 +11,7 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long ad
{
pte_t *pte;
- pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
+ pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
if (pte) {
__flush_page_to_ram(pte);
flush_tlb_kernel_page(pte);
@@ -32,7 +32,7 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addres
struct page *page;
pte_t *pte;
- page = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
+ page = alloc_pages(GFP_KERNEL|__GFP_ZERO, 0);
if(!page)
return NULL;
if (!pgtable_page_ctor(page)) {
diff --git a/arch/m68k/include/asm/q40_master.h b/arch/m68k/include/asm/q40_master.h
index fc5b362..c48d21b 100644
--- a/arch/m68k/include/asm/q40_master.h
+++ b/arch/m68k/include/asm/q40_master.h
@@ -1,6 +1,6 @@
/*
* Q40 master Chip Control
- * RTC stuff merged for compactnes..
+ * RTC stuff merged for compactness.
*/
#ifndef _Q40_MASTER_H
diff --git a/arch/m68k/include/asm/sun3_pgalloc.h b/arch/m68k/include/asm/sun3_pgalloc.h
index 0931388..1901f61 100644
--- a/arch/m68k/include/asm/sun3_pgalloc.h
+++ b/arch/m68k/include/asm/sun3_pgalloc.h
@@ -37,7 +37,7 @@ do { \
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
- unsigned long page = __get_free_page(GFP_KERNEL|__GFP_REPEAT);
+ unsigned long page = __get_free_page(GFP_KERNEL);
if (!page)
return NULL;
@@ -49,7 +49,7 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
- struct page *page = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
+ struct page *page = alloc_pages(GFP_KERNEL, 0);
if (page == NULL)
return NULL;
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index 4d2adfb..7990b6f 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -60,7 +60,7 @@
*
* The host talks to the IOPs using a rather simple message-passing scheme via
* a shared memory area in the IOP RAM. Each IOP has seven "channels"; each
- * channel is conneced to a specific software driver on the IOP. For example
+ * channel is connected to a specific software driver on the IOP. For example
* on the SCC IOP there is one channel for each serial port. Each channel has
* an incoming and and outgoing message queue with a depth of one.
*
diff --git a/arch/m68k/math-emu/fp_decode.h b/arch/m68k/math-emu/fp_decode.h
index 759679d..6d1e760 100644
--- a/arch/m68k/math-emu/fp_decode.h
+++ b/arch/m68k/math-emu/fp_decode.h
@@ -130,7 +130,7 @@ do_fscc=0
bfextu %d2{#13,#3},%d0
.endm
-| decode the 8bit diplacement from the brief extension word
+| decode the 8bit displacement from the brief extension word
.macro fp_decode_disp8
move.b %d2,%d0
ext.w %d0
diff --git a/arch/metag/include/asm/pgalloc.h b/arch/metag/include/asm/pgalloc.h
index 3104df0..c2caa1e 100644
--- a/arch/metag/include/asm/pgalloc.h
+++ b/arch/metag/include/asm/pgalloc.h
@@ -42,8 +42,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
- pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT |
- __GFP_ZERO);
+ pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
return pte;
}
@@ -51,7 +50,7 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
struct page *pte;
- pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO, 0);
+ pte = alloc_pages(GFP_KERNEL | __GFP_ZERO, 0);
if (!pte)
return NULL;
if (!pgtable_page_ctor(pte)) {
diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h
index 61436d6..7c89390 100644
--- a/arch/microblaze/include/asm/pgalloc.h
+++ b/arch/microblaze/include/asm/pgalloc.h
@@ -116,9 +116,9 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
struct page *ptepage;
#ifdef CONFIG_HIGHPTE
- int flags = GFP_KERNEL | __GFP_HIGHMEM | __GFP_REPEAT;
+ int flags = GFP_KERNEL | __GFP_HIGHMEM;
#else
- int flags = GFP_KERNEL | __GFP_REPEAT;
+ int flags = GFP_KERNEL;
#endif
ptepage = alloc_pages(flags, 0);
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index 4f4520e..eb99fcc 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/arch/microblaze/mm/pgtable.c
@@ -239,8 +239,7 @@ __init_refok pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
{
pte_t *pte;
if (mem_init_done) {
- pte = (pte_t *)__get_free_page(GFP_KERNEL |
- __GFP_REPEAT | __GFP_ZERO);
+ pte = (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
} else {
pte = (pte_t *)early_get_page();
if (pte)
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index 6733ac5..36a391d 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -74,7 +74,7 @@
#define KVM_GUEST_KUSEG 0x00000000UL
#define KVM_GUEST_KSEG0 0x40000000UL
#define KVM_GUEST_KSEG23 0x60000000UL
-#define KVM_GUEST_KSEGX(a) ((_ACAST32_(a)) & 0x60000000)
+#define KVM_GUEST_KSEGX(a) ((_ACAST32_(a)) & 0xe0000000)
#define KVM_GUEST_CPHYSADDR(a) ((_ACAST32_(a)) & 0x1fffffff)
#define KVM_GUEST_CKSEG0ADDR(a) (KVM_GUEST_CPHYSADDR(a) | KVM_GUEST_KSEG0)
@@ -338,6 +338,7 @@ struct kvm_mips_tlb {
#define KVM_MIPS_GUEST_TLB_SIZE 64
struct kvm_vcpu_arch {
void *host_ebase, *guest_ebase;
+ int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu);
unsigned long host_stack;
unsigned long host_gp;
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index b336037..93c079a 100644
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -69,7 +69,7 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
{
pte_t *pte;
- pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, PTE_ORDER);
+ pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_ZERO, PTE_ORDER);
return pte;
}
@@ -79,7 +79,7 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
{
struct page *pte;
- pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
+ pte = alloc_pages(GFP_KERNEL, PTE_ORDER);
if (!pte)
return NULL;
clear_highpage(pte);
@@ -113,7 +113,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
pmd_t *pmd;
- pmd = (pmd_t *) __get_free_pages(GFP_KERNEL|__GFP_REPEAT, PMD_ORDER);
+ pmd = (pmd_t *) __get_free_pages(GFP_KERNEL, PMD_ORDER);
if (pmd)
pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
return pmd;
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index a6b611f..7d44e88 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -24,7 +24,7 @@ struct mm_struct;
struct vm_area_struct;
#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_NO_READ | \
- _CACHE_CACHABLE_NONCOHERENT)
+ _page_cachable_default)
#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_WRITE | \
_page_cachable_default)
#define PAGE_COPY __pgprot(_PAGE_PRESENT | _PAGE_NO_EXEC | \
@@ -476,7 +476,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
pte.pte_low &= (_PAGE_MODIFIED | _PAGE_ACCESSED | _PFNX_MASK);
pte.pte_high &= (_PFN_MASK | _CACHE_MASK);
pte.pte_low |= pgprot_val(newprot) & ~_PFNX_MASK;
- pte.pte_high |= pgprot_val(newprot) & ~_PFN_MASK;
+ pte.pte_high |= pgprot_val(newprot) & ~(_PFN_MASK | _CACHE_MASK);
return pte;
}
#elif defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_CPU_MIPS32)
@@ -491,7 +491,8 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#else
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
- return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
+ return __pte((pte_val(pte) & _PAGE_CHG_MASK) |
+ (pgprot_val(newprot) & ~_PAGE_CHG_MASK));
}
#endif
@@ -632,7 +633,8 @@ static inline struct page *pmd_page(pmd_t pmd)
static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
{
- pmd_val(pmd) = (pmd_val(pmd) & _PAGE_CHG_MASK) | pgprot_val(newprot);
+ pmd_val(pmd) = (pmd_val(pmd) & (_PAGE_CHG_MASK | _PAGE_HUGE)) |
+ (pgprot_val(newprot) & ~_PAGE_CHG_MASK);
return pmd;
}
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index 396df6e..645c8a1 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -1636,6 +1636,7 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,
if (index < 0) {
vcpu->arch.host_cp0_entryhi = (va & VPN2_MASK);
vcpu->arch.host_cp0_badvaddr = va;
+ vcpu->arch.pc = curr_pc;
er = kvm_mips_emulate_tlbmiss_ld(cause, NULL, run,
vcpu);
preempt_enable();
@@ -1647,6 +1648,8 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,
* invalid exception to the guest
*/
if (!TLB_IS_VALID(*tlb, va)) {
+ vcpu->arch.host_cp0_badvaddr = va;
+ vcpu->arch.pc = curr_pc;
er = kvm_mips_emulate_tlbinv_ld(cause, NULL,
run, vcpu);
preempt_enable();
@@ -1666,7 +1669,7 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,
cache, op, base, arch->gprs[base], offset);
er = EMULATE_FAIL;
preempt_enable();
- goto dont_update_pc;
+ goto done;
}
@@ -1694,16 +1697,20 @@ skip_fault:
kvm_err("NO-OP CACHE (cache: %#x, op: %#x, base[%d]: %#lx, offset: %#x\n",
cache, op, base, arch->gprs[base], offset);
er = EMULATE_FAIL;
- preempt_enable();
- goto dont_update_pc;
}
preempt_enable();
+done:
+ /* Rollback PC only if emulation was unsuccessful */
+ if (er == EMULATE_FAIL)
+ vcpu->arch.pc = curr_pc;
dont_update_pc:
- /* Rollback PC */
- vcpu->arch.pc = curr_pc;
-done:
+ /*
+ * This is for exceptions whose emulation updates the PC, so do not
+ * overwrite the PC under any circumstances
+ */
+
return er;
}
diff --git a/arch/mips/kvm/interrupt.h b/arch/mips/kvm/interrupt.h
index 4ab4bdf..2143884 100644
--- a/arch/mips/kvm/interrupt.h
+++ b/arch/mips/kvm/interrupt.h
@@ -28,6 +28,7 @@
#define MIPS_EXC_MAX 12
/* XXXSL More to follow */
+extern char __kvm_mips_vcpu_run_end[];
extern char mips32_exception[], mips32_exceptionEnd[];
extern char mips32_GuestException[], mips32_GuestExceptionEnd[];
diff --git a/arch/mips/kvm/locore.S b/arch/mips/kvm/locore.S
index 3ef0300..828fcfc 100644
--- a/arch/mips/kvm/locore.S
+++ b/arch/mips/kvm/locore.S
@@ -202,6 +202,7 @@ FEXPORT(__kvm_mips_load_k0k1)
/* Jump to guest */
eret
+EXPORT(__kvm_mips_vcpu_run_end)
VECTOR(MIPSX(exception), unknown)
/* Find out what mode we came from and jump to the proper handler. */
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index dc052fb..44da525 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -315,6 +315,15 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
memcpy(gebase + offset, mips32_GuestException,
mips32_GuestExceptionEnd - mips32_GuestException);
+#ifdef MODULE
+ offset += mips32_GuestExceptionEnd - mips32_GuestException;
+ memcpy(gebase + offset, (char *)__kvm_mips_vcpu_run,
+ __kvm_mips_vcpu_run_end - (char *)__kvm_mips_vcpu_run);
+ vcpu->arch.vcpu_run = gebase + offset;
+#else
+ vcpu->arch.vcpu_run = __kvm_mips_vcpu_run;
+#endif
+
/* Invalidate the icache for these ranges */
local_flush_icache_range((unsigned long)gebase,
(unsigned long)gebase + ALIGN(size, PAGE_SIZE));
@@ -404,7 +413,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
/* Disable hardware page table walking while in guest */
htw_stop();
- r = __kvm_mips_vcpu_run(run, vcpu);
+ r = vcpu->arch.vcpu_run(run, vcpu);
/* Re-enable HTW before enabling interrupts */
htw_start();
diff --git a/arch/mn10300/include/asm/thread_info.h b/arch/mn10300/include/asm/thread_info.h
index 4861a78..f5f90bb 100644
--- a/arch/mn10300/include/asm/thread_info.h
+++ b/arch/mn10300/include/asm/thread_info.h
@@ -115,7 +115,7 @@ static inline unsigned long current_stack_pointer(void)
}
#ifndef CONFIG_KGDB
-void arch_release_thread_info(struct thread_info *ti);
+void arch_release_thread_stack(unsigned long *stack);
#endif
#define get_thread_info(ti) get_task_struct((ti)->task)
#define put_thread_info(ti) put_task_struct((ti)->task)
diff --git a/arch/mn10300/kernel/kgdb.c b/arch/mn10300/kernel/kgdb.c
index 9977082..2d7986c 100644
--- a/arch/mn10300/kernel/kgdb.c
+++ b/arch/mn10300/kernel/kgdb.c
@@ -397,8 +397,9 @@ static bool kgdb_arch_undo_singlestep(struct pt_regs *regs)
* single-step state is cleared. At this point the breakpoints should have
* been removed by __switch_to().
*/
-void arch_release_thread_info(struct thread_info *ti)
+void arch_release_thread_stack(unsigned long *stack)
{
+ struct thread_info *ti = (void *)stack;
if (kgdb_sstep_thread == ti) {
kgdb_sstep_thread = NULL;
diff --git a/arch/mn10300/mm/pgtable.c b/arch/mn10300/mm/pgtable.c
index e77a7c7..9577cf7 100644
--- a/arch/mn10300/mm/pgtable.c
+++ b/arch/mn10300/mm/pgtable.c
@@ -63,7 +63,7 @@ void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags)
pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
{
- pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT);
+ pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL);
if (pte)
clear_page(pte);
return pte;
@@ -74,9 +74,9 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
struct page *pte;
#ifdef CONFIG_HIGHPTE
- pte = alloc_pages(GFP_KERNEL|__GFP_HIGHMEM|__GFP_REPEAT, 0);
+ pte = alloc_pages(GFP_KERNEL|__GFP_HIGHMEM, 0);
#else
- pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
+ pte = alloc_pages(GFP_KERNEL, 0);
#endif
if (!pte)
return NULL;
diff --git a/arch/nios2/include/asm/pgalloc.h b/arch/nios2/include/asm/pgalloc.h
index 6e2985e..bb47d08 100644
--- a/arch/nios2/include/asm/pgalloc.h
+++ b/arch/nios2/include/asm/pgalloc.h
@@ -42,8 +42,7 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
{
pte_t *pte;
- pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO,
- PTE_ORDER);
+ pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_ZERO, PTE_ORDER);
return pte;
}
@@ -53,7 +52,7 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
{
struct page *pte;
- pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
+ pte = alloc_pages(GFP_KERNEL, PTE_ORDER);
if (pte) {
if (!pgtable_page_ctor(pte)) {
__free_page(pte);
diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h
index 21484e5b..87eebd1 100644
--- a/arch/openrisc/include/asm/pgalloc.h
+++ b/arch/openrisc/include/asm/pgalloc.h
@@ -77,7 +77,7 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
struct page *pte;
- pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
+ pte = alloc_pages(GFP_KERNEL, 0);
if (!pte)
return NULL;
clear_page(page_address(pte));
diff --git a/arch/openrisc/mm/ioremap.c b/arch/openrisc/mm/ioremap.c
index 62b08ef..5b2a9511 100644
--- a/arch/openrisc/mm/ioremap.c
+++ b/arch/openrisc/mm/ioremap.c
@@ -122,7 +122,7 @@ pte_t __init_refok *pte_alloc_one_kernel(struct mm_struct *mm,
pte_t *pte;
if (likely(mem_init_done)) {
- pte = (pte_t *) __get_free_page(GFP_KERNEL | __GFP_REPEAT);
+ pte = (pte_t *) __get_free_page(GFP_KERNEL);
} else {
pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
#if 0
diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
index f2fd327..f08dda3 100644
--- a/arch/parisc/include/asm/pgalloc.h
+++ b/arch/parisc/include/asm/pgalloc.h
@@ -63,8 +63,7 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
- pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL|__GFP_REPEAT,
- PMD_ORDER);
+ pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL, PMD_ORDER);
if (pmd)
memset(pmd, 0, PAGE_SIZE<<PMD_ORDER);
return pmd;
@@ -124,7 +123,7 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
static inline pgtable_t
pte_alloc_one(struct mm_struct *mm, unsigned long address)
{
- struct page *page = alloc_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
+ struct page *page = alloc_page(GFP_KERNEL|__GFP_ZERO);
if (!page)
return NULL;
if (!pgtable_page_ctor(page)) {
@@ -137,7 +136,7 @@ pte_alloc_one(struct mm_struct *mm, unsigned long address)
static inline pte_t *
pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
{
- pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
+ pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
return pte;
}
diff --git a/arch/parisc/include/asm/traps.h b/arch/parisc/include/asm/traps.h
index 4736020..5e953ab 100644
--- a/arch/parisc/include/asm/traps.h
+++ b/arch/parisc/include/asm/traps.h
@@ -8,6 +8,8 @@ struct pt_regs;
void parisc_terminate(char *msg, struct pt_regs *regs,
int code, unsigned long offset) __noreturn __cold;
+void die_if_kernel(char *str, struct pt_regs *regs, long err);
+
/* mm/fault.c */
void do_page_fault(struct pt_regs *regs, unsigned long code,
unsigned long address);
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index e81ccf1..5adc339 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -324,8 +324,9 @@ int init_per_cpu(int cpunum)
per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision;
per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model;
- printk(KERN_INFO "FP[%d] enabled: Rev %ld Model %ld\n",
- cpunum, coproc_cfg.revision, coproc_cfg.model);
+ if (cpunum == 0)
+ printk(KERN_INFO "FP[%d] enabled: Rev %ld Model %ld\n",
+ cpunum, coproc_cfg.revision, coproc_cfg.model);
/*
** store status register to stack (hopefully aligned)
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 58dd680..31ec99a 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -309,11 +309,6 @@ void __init time_init(void)
clocks_calc_mult_shift(&cyc2ns_mul, &cyc2ns_shift, current_cr16_khz,
NSEC_PER_MSEC, 0);
-#if defined(CONFIG_HAVE_UNSTABLE_SCHED_CLOCK) && defined(CONFIG_64BIT)
- /* At bootup only one 64bit CPU is online and cr16 is "stable" */
- set_sched_clock_stable();
-#endif
-
start_cpu_itimer(); /* get CPU 0 started */
/* register at clocksource framework */
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index d7c0acb..2b65c01 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -28,6 +28,7 @@
#include <linux/ratelimit.h>
#include <asm/uaccess.h>
#include <asm/hardirq.h>
+#include <asm/traps.h>
/* #define DEBUG_UNALIGNED 1 */
@@ -130,8 +131,6 @@
int unaligned_enabled __read_mostly = 1;
-void die_if_kernel (char *str, struct pt_regs *regs, long err);
-
static int emulate_ldh(struct pt_regs *regs, int toreg)
{
unsigned long saddr = regs->ior;
@@ -666,7 +665,7 @@ void handle_unaligned(struct pt_regs *regs)
break;
}
- if (modify && R1(regs->iir))
+ if (ret == 0 && modify && R1(regs->iir))
regs->gr[R1(regs->iir)] = newbase;
@@ -677,6 +676,14 @@ void handle_unaligned(struct pt_regs *regs)
if (ret)
{
+ /*
+ * The unaligned handler failed.
+ * If we were called by __get_user() or __put_user() jump
+ * to it's exception fixup handler instead of crashing.
+ */
+ if (!user_mode(regs) && fixup_exception(regs))
+ return;
+
printk(KERN_CRIT "Unaligned handler failed, ret = %d\n", ret);
die_if_kernel("Unaligned data reference", regs, 28);
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index ddd988b..e278a87 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -75,7 +75,10 @@ find_unwind_entry(unsigned long addr)
if (addr >= kernel_unwind_table.start &&
addr <= kernel_unwind_table.end)
e = find_unwind_entry_in_table(&kernel_unwind_table, addr);
- else
+ else {
+ unsigned long flags;
+
+ spin_lock_irqsave(&unwind_lock, flags);
list_for_each_entry(table, &unwind_tables, list) {
if (addr >= table->start &&
addr <= table->end)
@@ -86,6 +89,8 @@ find_unwind_entry(unsigned long addr)
break;
}
}
+ spin_unlock_irqrestore(&unwind_lock, flags);
+ }
return e;
}
@@ -303,18 +308,16 @@ static void unwind_frame_regs(struct unwind_frame_info *info)
insn = *(unsigned int *)npc;
- if ((insn & 0xffffc000) == 0x37de0000 ||
- (insn & 0xffe00000) == 0x6fc00000) {
+ if ((insn & 0xffffc001) == 0x37de0000 ||
+ (insn & 0xffe00001) == 0x6fc00000) {
/* ldo X(sp), sp, or stwm X,D(sp) */
- frame_size += (insn & 0x1 ? -1 << 13 : 0) |
- ((insn & 0x3fff) >> 1);
+ frame_size += (insn & 0x3fff) >> 1;
dbg("analyzing func @ %lx, insn=%08x @ "
"%lx, frame_size = %ld\n", info->ip,
insn, npc, frame_size);
- } else if ((insn & 0xffe00008) == 0x73c00008) {
+ } else if ((insn & 0xffe00009) == 0x73c00008) {
/* std,ma X,D(sp) */
- frame_size += (insn & 0x1 ? -1 << 13 : 0) |
- (((insn >> 4) & 0x3ff) << 3);
+ frame_size += ((insn >> 4) & 0x3ff) << 3;
dbg("analyzing func @ %lx, insn=%08x @ "
"%lx, frame_size = %ld\n", info->ip,
insn, npc, frame_size);
@@ -333,6 +336,9 @@ static void unwind_frame_regs(struct unwind_frame_info *info)
}
}
+ if (frame_size > e->Total_frame_size << 3)
+ frame_size = e->Total_frame_size << 3;
+
if (!unwind_special(info, e->region_start, frame_size)) {
info->prev_sp = info->sp - frame_size;
if (e->Millicode)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 01f7464..0a9d439 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -128,7 +128,7 @@ config PPC
select IRQ_FORCED_THREADING
select HAVE_RCU_TABLE_FREE if SMP
select HAVE_SYSCALL_TRACEPOINTS
- select HAVE_CBPF_JIT
+ select HAVE_CBPF_JIT if CPU_BIG_ENDIAN
select HAVE_ARCH_JUMP_LABEL
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_HAS_GCOV_PROFILE_ALL
diff --git a/arch/powerpc/include/asm/book3s/32/pgalloc.h b/arch/powerpc/include/asm/book3s/32/pgalloc.h
index a235019..8e21bb4 100644
--- a/arch/powerpc/include/asm/book3s/32/pgalloc.h
+++ b/arch/powerpc/include/asm/book3s/32/pgalloc.h
@@ -102,7 +102,6 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb,
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
unsigned long address)
{
- tlb_flush_pgtable(tlb, address);
pgtable_page_dtor(table);
pgtable_free_tlb(tlb, page_address(table), 0);
}
diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h
index 290157e..74839f24 100644
--- a/arch/powerpc/include/asm/book3s/64/mmu-hash.h
+++ b/arch/powerpc/include/asm/book3s/64/mmu-hash.h
@@ -88,6 +88,7 @@
#define HPTE_R_RPN_SHIFT 12
#define HPTE_R_RPN ASM_CONST(0x0ffffffffffff000)
#define HPTE_R_PP ASM_CONST(0x0000000000000003)
+#define HPTE_R_PPP ASM_CONST(0x8000000000000003)
#define HPTE_R_N ASM_CONST(0x0000000000000004)
#define HPTE_R_G ASM_CONST(0x0000000000000008)
#define HPTE_R_M ASM_CONST(0x0000000000000010)
diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h b/arch/powerpc/include/asm/book3s/64/pgalloc.h
index 488279e..cd5e7aa 100644
--- a/arch/powerpc/include/asm/book3s/64/pgalloc.h
+++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h
@@ -41,7 +41,7 @@ extern struct kmem_cache *pgtable_cache[];
pgtable_cache[(shift) - 1]; \
})
-#define PGALLOC_GFP GFP_KERNEL | __GFP_NOTRACK | __GFP_REPEAT | __GFP_ZERO
+#define PGALLOC_GFP GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO
extern pte_t *pte_fragment_alloc(struct mm_struct *, unsigned long, int);
extern void pte_fragment_free(unsigned long *, int);
@@ -56,7 +56,7 @@ static inline pgd_t *radix__pgd_alloc(struct mm_struct *mm)
return (pgd_t *)__get_free_page(PGALLOC_GFP);
#else
struct page *page;
- page = alloc_pages(PGALLOC_GFP, 4);
+ page = alloc_pages(PGALLOC_GFP | __GFP_REPEAT, 4);
if (!page)
return NULL;
return (pgd_t *) page_address(page);
@@ -93,8 +93,7 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE),
- GFP_KERNEL|__GFP_REPEAT);
+ return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE), GFP_KERNEL);
}
static inline void pud_free(struct mm_struct *mm, pud_t *pud)
@@ -110,13 +109,17 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
unsigned long address)
{
+ /*
+ * By now all the pud entries should be none entries. So go
+ * ahead and flush the page walk cache
+ */
+ flush_tlb_pgtable(tlb, address);
pgtable_free_tlb(tlb, pud, PUD_INDEX_SIZE);
}
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX),
- GFP_KERNEL|__GFP_REPEAT);
+ return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX), GFP_KERNEL);
}
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
@@ -127,6 +130,11 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
unsigned long address)
{
+ /*
+ * By now all the pud entries should be none entries. So go
+ * ahead and flush the page walk cache
+ */
+ flush_tlb_pgtable(tlb, address);
return pgtable_free_tlb(tlb, pmd, PMD_CACHE_INDEX);
}
@@ -151,7 +159,7 @@ static inline pgtable_t pmd_pgtable(pmd_t pmd)
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
- return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
+ return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
}
static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
@@ -198,7 +206,11 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
unsigned long address)
{
- tlb_flush_pgtable(tlb, address);
+ /*
+ * By now all the pud entries should be none entries. So go
+ * ahead and flush the page walk cache
+ */
+ flush_tlb_pgtable(tlb, address);
pgtable_free_tlb(tlb, table, 0);
}
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 88a5eca..ab84c89 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -230,6 +230,7 @@ extern unsigned long __kernel_virt_size;
#define KERN_VIRT_SIZE __kernel_virt_size
extern struct page *vmemmap;
extern unsigned long ioremap_bot;
+extern unsigned long pci_io_base;
#endif /* __ASSEMBLY__ */
#include <asm/book3s/64/hash.h>
diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h
index 937d4e2..df29422 100644
--- a/arch/powerpc/include/asm/book3s/64/radix.h
+++ b/arch/powerpc/include/asm/book3s/64/radix.h
@@ -228,5 +228,20 @@ extern void radix__vmemmap_remove_mapping(unsigned long start,
extern int radix__map_kernel_page(unsigned long ea, unsigned long pa,
pgprot_t flags, unsigned int psz);
+
+static inline unsigned long radix__get_tree_size(void)
+{
+ unsigned long rts_field;
+ /*
+ * we support 52 bits, hence 52-31 = 21, 0b10101
+ * RTS encoding details
+ * bits 0 - 3 of rts -> bits 6 - 8 unsigned long
+ * bits 4 - 5 of rts -> bits 62 - 63 of unsigned long
+ */
+ rts_field = (0x5UL << 5); /* 6 - 8 bits */
+ rts_field |= (0x2UL << 61);
+
+ return rts_field;
+}
#endif /* __ASSEMBLY__ */
#endif
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
index 13ef388..3fa94fca 100644
--- a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
+++ b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h
@@ -18,16 +18,19 @@ extern void radix__local_flush_tlb_mm(struct mm_struct *mm);
extern void radix__local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
extern void radix___local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
unsigned long ap, int nid);
+extern void radix__local_flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr);
extern void radix__tlb_flush(struct mmu_gather *tlb);
#ifdef CONFIG_SMP
extern void radix__flush_tlb_mm(struct mm_struct *mm);
extern void radix__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
extern void radix___flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
unsigned long ap, int nid);
+extern void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr);
#else
#define radix__flush_tlb_mm(mm) radix__local_flush_tlb_mm(mm)
#define radix__flush_tlb_page(vma,addr) radix__local_flush_tlb_page(vma,addr)
#define radix___flush_tlb_page(mm,addr,p,i) radix___local_flush_tlb_page(mm,addr,p,i)
+#define radix__flush_tlb_pwc(tlb, addr) radix__local_flush_tlb_pwc(tlb, addr)
#endif
#endif
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h
index d98424a..96e5769 100644
--- a/arch/powerpc/include/asm/book3s/64/tlbflush.h
+++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h
@@ -72,5 +72,19 @@ static inline void flush_tlb_page(struct vm_area_struct *vma,
#define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
#define flush_tlb_page(vma, addr) local_flush_tlb_page(vma, addr)
#endif /* CONFIG_SMP */
+/*
+ * flush the page walk cache for the address
+ */
+static inline void flush_tlb_pgtable(struct mmu_gather *tlb, unsigned long address)
+{
+ /*
+ * Flush the page table walk cache on freeing a page table. We already
+ * have marked the upper/higher level page table entry none by now.
+ * So it is safe to flush PWC here.
+ */
+ if (!radix_enabled())
+ return;
+ radix__flush_tlb_pwc(tlb, address);
+}
#endif /* _ASM_POWERPC_BOOK3S_64_TLBFLUSH_H */
diff --git a/arch/powerpc/include/asm/book3s/pgalloc.h b/arch/powerpc/include/asm/book3s/pgalloc.h
index 54f591e..c0a69ae 100644
--- a/arch/powerpc/include/asm/book3s/pgalloc.h
+++ b/arch/powerpc/include/asm/book3s/pgalloc.h
@@ -4,11 +4,6 @@
#include <linux/mm.h>
extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
-static inline void tlb_flush_pgtable(struct mmu_gather *tlb,
- unsigned long address)
-{
-
-}
#ifdef CONFIG_PPC64
#include <asm/book3s/64/pgalloc.h>
diff --git a/arch/powerpc/include/asm/nohash/64/pgalloc.h b/arch/powerpc/include/asm/nohash/64/pgalloc.h
index 0c12a3b..897d2e1 100644
--- a/arch/powerpc/include/asm/nohash/64/pgalloc.h
+++ b/arch/powerpc/include/asm/nohash/64/pgalloc.h
@@ -57,8 +57,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE),
- GFP_KERNEL|__GFP_REPEAT);
+ return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE), GFP_KERNEL);
}
static inline void pud_free(struct mm_struct *mm, pud_t *pud)
@@ -88,7 +87,7 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
- return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
+ return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
}
static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
@@ -172,7 +171,7 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
- pte_fragment_fre((unsigned long *)pte, 1);
+ pte_fragment_free((unsigned long *)pte, 1);
}
static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
@@ -190,8 +189,7 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
{
- return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX),
- GFP_KERNEL|__GFP_REPEAT);
+ return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX), GFP_KERNEL);
}
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index c1e82e9..a0948f4 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -717,7 +717,7 @@
#define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */
#define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
#define SPRN_MMCR1 798
-#define SPRN_MMCR2 769
+#define SPRN_MMCR2 785
#define SPRN_MMCRA 0x312
#define MMCRA_SDSYNC 0x80000000UL /* SDAR synced with SIAR */
#define MMCRA_SDAR_DCACHE_MISS 0x40000000UL
@@ -754,13 +754,13 @@
#define SPRN_PMC6 792
#define SPRN_PMC7 793
#define SPRN_PMC8 794
-#define SPRN_SIAR 780
-#define SPRN_SDAR 781
#define SPRN_SIER 784
#define SIER_SIPR 0x2000000 /* Sampled MSR_PR */
#define SIER_SIHV 0x1000000 /* Sampled MSR_HV */
#define SIER_SIAR_VALID 0x0400000 /* SIAR contents valid */
#define SIER_SDAR_VALID 0x0200000 /* SDAR contents valid */
+#define SPRN_SIAR 796
+#define SPRN_SDAR 797
#define SPRN_TACR 888
#define SPRN_TCSCR 889
#define SPRN_CSIGR 890
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 2714a3b..d70101e 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -642,13 +642,12 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
if (pe->type & EEH_PE_VF) {
eeh_pe_dev_traverse(pe, eeh_rmv_device, NULL);
} else {
- eeh_pe_state_clear(pe, EEH_PE_PRI_BUS);
pci_lock_rescan_remove();
pci_hp_remove_devices(bus);
pci_unlock_rescan_remove();
}
} else if (frozen_bus) {
- eeh_pe_dev_traverse(pe, eeh_rmv_device, &rmv_data);
+ eeh_pe_dev_traverse(pe, eeh_rmv_device, rmv_data);
}
/*
@@ -692,10 +691,12 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
*/
edev = list_first_entry(&pe->edevs, struct eeh_dev, list);
eeh_pe_traverse(pe, eeh_pe_detach_dev, NULL);
- if (pe->type & EEH_PE_VF)
+ if (pe->type & EEH_PE_VF) {
eeh_add_virt_device(edev, NULL);
- else
+ } else {
+ eeh_pe_state_clear(pe, EEH_PE_PRI_BUS);
pci_hp_add_devices(bus);
+ }
} else if (frozen_bus && rmv_data->removed) {
pr_info("EEH: Sleep 5s ahead of partial hotplug\n");
ssleep(5);
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 4c94406..8bcc1b4 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1399,11 +1399,12 @@ END_MMU_FTR_SECTION_IFCLR(MMU_FTR_RADIX)
lwz r9,PACA_EXSLB+EX_CCR(r13) /* get saved CR */
mtlr r10
-BEGIN_MMU_FTR_SECTION
- b 2f
-END_MMU_FTR_SECTION_IFSET(MMU_FTR_RADIX)
andi. r10,r12,MSR_RI /* check for unrecoverable exception */
+BEGIN_MMU_FTR_SECTION
beq- 2f
+FTR_SECTION_ELSE
+ b 2f
+ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_RADIX)
.machine push
.machine "power4"
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 3759df5..a5ae49a 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -47,7 +47,6 @@ static int __init pcibios_init(void)
printk(KERN_INFO "PCI: Probing PCI hardware\n");
- pci_io_base = ISA_IO_BASE;
/* For now, override phys_mem_access_prot. If we need it,g
* later, we may move that initialization to each ppc_md
*/
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index e2f12cb..0b93893 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1505,6 +1505,16 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
current->thread.regs = regs - 1;
}
+#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ /*
+ * Clear any transactional state, we're exec()ing. The cause is
+ * not important as there will never be a recheckpoint so it's not
+ * user visible.
+ */
+ if (MSR_TM_SUSPENDED(mfmsr()))
+ tm_reclaim_current(0);
+#endif
+
memset(regs->gpr, 0, sizeof(regs->gpr));
regs->ctr = 0;
regs->link = 0;
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index da51925..6ee4b72 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -656,6 +656,7 @@ unsigned char ibm_architecture_vec[] = {
W(0xffff0000), W(0x003e0000), /* POWER6 */
W(0xffff0000), W(0x003f0000), /* POWER7 */
W(0xffff0000), W(0x004b0000), /* POWER8E */
+ W(0xffff0000), W(0x004c0000), /* POWER8NVL */
W(0xffff0000), W(0x004d0000), /* POWER8 */
W(0xffffffff), W(0x0f000004), /* all 2.07-compliant */
W(0xffffffff), W(0x0f000003), /* all 2.06-compliant */
@@ -718,7 +719,7 @@ unsigned char ibm_architecture_vec[] = {
* must match by the macro below. Update the definition if
* the structure layout changes.
*/
-#define IBM_ARCH_VEC_NRCORES_OFFSET 125
+#define IBM_ARCH_VEC_NRCORES_OFFSET 133
W(NR_CPUS), /* number of cores supported */
0,
0,
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 30a03c0..060b140 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -377,7 +377,7 @@ static int fpr_get(struct task_struct *target, const struct user_regset *regset,
#else
BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) !=
- offsetof(struct thread_fp_state, fpr[32][0]));
+ offsetof(struct thread_fp_state, fpr[32]));
return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
&target->thread.fp_state, 0, -1);
@@ -405,7 +405,7 @@ static int fpr_set(struct task_struct *target, const struct user_regset *regset,
return 0;
#else
BUILD_BUG_ON(offsetof(struct thread_fp_state, fpscr) !=
- offsetof(struct thread_fp_state, fpr[32][0]));
+ offsetof(struct thread_fp_state, fpr[32]));
return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
&target->thread.fp_state, 0, -1);
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index bf8f34a..b7019b5 100644
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -110,17 +110,11 @@ _GLOBAL(tm_reclaim)
std r3, STK_PARAM(R3)(r1)
SAVE_NVGPRS(r1)
- /* We need to setup MSR for VSX register save instructions. Here we
- * also clear the MSR RI since when we do the treclaim, we won't have a
- * valid kernel pointer for a while. We clear RI here as it avoids
- * adding another mtmsr closer to the treclaim. This makes the region
- * maked as non-recoverable wider than it needs to be but it saves on
- * inserting another mtmsrd later.
- */
+ /* We need to setup MSR for VSX register save instructions. */
mfmsr r14
mr r15, r14
ori r15, r15, MSR_FP
- li r16, MSR_RI
+ li r16, 0
ori r16, r16, MSR_EE /* IRQs hard off */
andc r15, r15, r16
oris r15, r15, MSR_VEC@h
@@ -176,7 +170,17 @@ dont_backup_fp:
1: tdeqi r6, 0
EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,0
- /* The moment we treclaim, ALL of our GPRs will switch
+ /* Clear MSR RI since we are about to change r1, EE is already off. */
+ li r4, 0
+ mtmsrd r4, 1
+
+ /*
+ * BE CAREFUL HERE:
+ * At this point we can't take an SLB miss since we have MSR_RI
+ * off. Load only to/from the stack/paca which are in SLB bolted regions
+ * until we turn MSR RI back on.
+ *
+ * The moment we treclaim, ALL of our GPRs will switch
* to user register state. (FPRs, CCR etc. also!)
* Use an sprg and a tm_scratch in the PACA to shuffle.
*/
@@ -197,6 +201,11 @@ dont_backup_fp:
/* Store the PPR in r11 and reset to decent value */
std r11, GPR11(r1) /* Temporary stash */
+
+ /* Reset MSR RI so we can take SLB faults again */
+ li r11, MSR_RI
+ mtmsrd r11, 1
+
mfspr r11, SPRN_PPR
HMT_MEDIUM
@@ -397,11 +406,6 @@ restore_gprs:
ld r5, THREAD_TM_DSCR(r3)
ld r6, THREAD_TM_PPR(r3)
- /* Clear the MSR RI since we are about to change R1. EE is already off
- */
- li r4, 0
- mtmsrd r4, 1
-
REST_GPR(0, r7) /* GPR0 */
REST_2GPRS(2, r7) /* GPR2-3 */
REST_GPR(4, r7) /* GPR4 */
@@ -439,10 +443,33 @@ restore_gprs:
ld r6, _CCR(r7)
mtcr r6
- REST_GPR(1, r7) /* GPR1 */
- REST_GPR(5, r7) /* GPR5-7 */
REST_GPR(6, r7)
- ld r7, GPR7(r7)
+
+ /*
+ * Store r1 and r5 on the stack so that we can access them
+ * after we clear MSR RI.
+ */
+
+ REST_GPR(5, r7)
+ std r5, -8(r1)
+ ld r5, GPR1(r7)</