Arnd Bergmann [Fri, 2 Sep 2016 22:54:31 +0000 (00:54 +0200)]
Merge branch 'next/drivers' into for-next
* next/drivers: (22 commits)
reset: hi6220: allow to compile test driver on other architectures
reset: zynq: add driver Kconfig option
reset: sunxi: add driver Kconfig option
reset: stm32: add driver Kconfig option
reset: socfpga: add driver Kconfig option
reset: pistachio: add driver Kconfig option
memory: omap-gpmc: make gpmc_clk_ticks_to_ns() static
memory: omap-gpmc: Fix build with CONFIG_OMAP_GPMC disabled
memory: omap-gpmc: use devm_gpiochip_add_data()
memory: omap-gpmc: Delete an unnecessary check before the function call "gpiochip_free_own_desc"
reset: meson: add driver Kconfig option
reset: lpc18xx: add driver Kconfig option
reset: berlin: add driver Kconfig option
reset: ath79: add driver Kconfig option
reset: ath79: add missing include
reset: warn on invalid input to reset_control_reset/assert/deassert/status
reset: uniphier: add reset controller driver for UniPhier SoCs
ARM: dts: stm32f429: add missing #reset-cells of rcc
drivers: reset: Add STM32 reset driver
dt-bindings: Document the STM32 reset bindings
...
Arnd Bergmann [Fri, 2 Sep 2016 22:52:11 +0000 (00:52 +0200)]
Merge commit 'github.com/rogerq/linux gpmc-omap-v4.8-rc1' into next/drivers
This is also going to be part of v4.8 and sent as a bugfix,
merging it here to avoid a small conflict against the other
gpmc changes.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Arnd Bergmann [Fri, 2 Sep 2016 22:46:25 +0000 (00:46 +0200)]
Merge branches 'fixes', 'next/cleanup', 'next/defconfig' and 'next/soc' into for-next
* fixes:
arm64: dts: Fix broken architected timer interrupt trigger
ARM: multi_v7_defconfig: update XILINX_VDMA
* next/cleanup:
ARM: clps711x: remove extraneous files
ARM: OMAP2+: use IS_ENABLED() instead of checking for built-in or module
ARM: OMAP1: use IS_ENABLED() instead of checking for built-in or module
ARM: realview: imply device tree boot
ARM: realview: no need to select SMP_ON_UP explicitly
ARM: realview: delete the RealView board files
ARM: OMAP2+: Drop legacy board file for LDP
ARM: OMAP2+: Drop legacy board file for n900
* next/defconfig:
ARM: multi_v7_defconfig: Build Atmel maXTouch driver as a module
ARM: defconfig: update the Integrator defconfig
ARM: omap2plus_defconfig: switch to the IIO BMP085 driver
ARM: davinci_all_defconfig: Enable some UBI modules
ARM: multi_v7_defconfig: Don't attempt to enable schedutil governor as module
ARM: exynos_defconfig: Don't attempt to enable schedutil governor as module
ARM: davinci_all_defconfig: Enable AEMIF as a module
ARM: multi_v7_defconfig: Enable SECCOMP
ARM: exynos_defconfig: Enable SECCOMP
ARM: s3c2410_defconfig: Remove CONFIG_IPV6_PRIVACY
ARM: exynos_defconfig: Enable PM_DEBUG
ARM: exynos_defconfig: Enable bus frequency scaling with devfreq
ARM: davinci_all_defconfig: enable SMSC ethernet PHY
ARM: davinci_all_defconfig: enable RTC driver as module
ARM: davinci_all_defconfig: enable DA850 audio as modules
ARM: davinci_all_defconfig: cleanup with savedefconfig
* next/soc:
ARM: EXYNOS: Remove unused DMC and CMU offsets and their mappings
ARM: davinci: da850: Add ti-aemif lookup for clock matching
ARM: s3c64xx: Delete unnecessary assignment for the field "owner"
ARM: EXYNOS: Enable ARCH_SUPPORTS_BIG_ENDIAN explicitly
ARM: S3C24XX: Add missing DMA device for Mini2440 board
ARM: S3C24XX: Add dma_mask assignments for DMA devices
Arnd Bergmann [Fri, 2 Sep 2016 22:46:20 +0000 (00:46 +0200)]
Merge tag 'v4.8-rc4' into for-next
Linux 4.8-rc4
* tag 'v4.8-rc4': (209 commits)
Linux 4.8-rc4
drm/atomic: Don't potentially reset color_mgmt_changed on successive property updates.
mm: silently skip readahead for DAX inodes
dax: fix device-dax region base
fs/seq_file: fix out-of-bounds read
mm: memcontrol: avoid unused function warning
mm: clarify COMPACTION Kconfig text
treewide: replace config_enabled() with IS_ENABLED() (2nd round)
printk: fix parsing of "brl=" option
soft_dirty: fix soft_dirty during THP split
sysctl: handle error writing UINT_MAX to u32 fields
get_maintainer: quiet noisy implicit -f vcs_file_exists checking
byteswap: don't use __builtin_bswap*() with sparse
dlm: fix malfunction of dlm_tool caused by debugfs changes
clocksource/drivers/sun4i: Clear interrupts after stopping timer in probe function
drivers/clocksource/pistachio: Fix memory corruption in init
clocksource/drivers/timer-atmel-pit: Enable mck clock
mmc: fix use-after-free of struct request
drm: Protect fb_defio in drivers with CONFIG_KMS_FBDEV_EMULATION
i40iw: Send last streaming mode message for loopback connections
...
Arnd Bergmann [Fri, 2 Sep 2016 16:33:47 +0000 (18:33 +0200)]
Merge tag 'omap-for-v4.9/soc-signed' of git://git./linux/kernel/git/tmlind/linux-omap into next/cleanup
Merge "omap soc updates for v4.9 merge window" from Tony Lindgren:
Two patches from Javier Martinez Canillas <javier@osg.samsung.com>
to update mach-omap1 and mach-oamp2 to use IS_ENABLED macro.
* tag 'omap-for-v4.9/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: use IS_ENABLED() instead of checking for built-in or module
ARM: OMAP1: use IS_ENABLED() instead of checking for built-in or module
Arnd Bergmann [Fri, 2 Sep 2016 16:30:29 +0000 (18:30 +0200)]
Merge tag 'omap-for-v4.8/legacy-signed' of git://git./linux/kernel/git/tmlind/linux-omap into next/cleanup
Merge "drop last omap3 board files for v4.8" from Tony Lindgren:
Remove the last two legacy board-*.c files for omap3 for legacy
booting for v4.8 to allow making mach-omap2 device tree only for
v4.9.
We've had Nokia N900 and omap3 LDP board-*.c files remaining
while other omap3 devices have been device tree only for quite
a while now. Also N900 and LDP have had device tree based booting
working for years now, but few drivers for N900 were still only
working in legacy only mode until recently. With the remaining
issues out of the way, we discussed on the mailing lists that
we're finally OK to remove the remaining board-*.c files.
For the timing of this pull request, I wanted to wait until
v4.8-rc1 is out to make sure the legacy booting still works fine
after the merge window before doing it.
And for v4.8, let's not touch any other platform data in case we
still need to revert for some reason. This makes the revert just a
question of adding back the legacy board-*.c files.
Then if no issues, we can remove the unused remaining platform
data later on for v4.9.
* tag 'omap-for-v4.8/legacy-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Drop legacy board file for LDP
ARM: OMAP2+: Drop legacy board file for n900
Arnd Bergmann [Fri, 2 Sep 2016 16:29:04 +0000 (18:29 +0200)]
Merge tag 'reset-for-4.9' of git://git.pengutronix.de/git/pza/linux into next/drivers
Merge "Reset controller changes for v4.9" from Philipp Zabel:
- add reset controller driver Kconfig options,
allow building drivers with COMPILE_TEST
- add reset controller driver for UniPhier SoCs
- add reset controller driver for STM32 MCUs
- simplify SoCFPGA reset controller driver a bit
* tag 'reset-for-4.9' of git://git.pengutronix.de/git/pza/linux:
reset: hi6220: allow to compile test driver on other architectures
reset: zynq: add driver Kconfig option
reset: sunxi: add driver Kconfig option
reset: stm32: add driver Kconfig option
reset: socfpga: add driver Kconfig option
reset: pistachio: add driver Kconfig option
reset: meson: add driver Kconfig option
reset: lpc18xx: add driver Kconfig option
reset: berlin: add driver Kconfig option
reset: ath79: add driver Kconfig option
reset: ath79: add missing include
reset: warn on invalid input to reset_control_reset/assert/deassert/status
reset: uniphier: add reset controller driver for UniPhier SoCs
ARM: dts: stm32f429: add missing #reset-cells of rcc
drivers: reset: Add STM32 reset driver
dt-bindings: Document the STM32 reset bindings
dt-bindings: mfd: Add STM32F4 RCC numeric constants into DT include file
reset: socfpga: no need to store modrst_offset
Arnd Bergmann [Fri, 2 Sep 2016 16:27:11 +0000 (18:27 +0200)]
Merge tag 'gpmc-omap-for-v4.9' of https://github.com/rogerq/linux into next/drivers
Merge "OMAP-GPMC: driver updates for v4.9" from Roger Quadros:
* Fix potential build failure if CONFIG_OMAP_GPMC is disabled while
OMAP_NAND driver is enabled
* Trivial fixes which fix build warnings and code check tool warnings
(Coccinelle)
* Use devm_gpiochip_add_data()
* tag 'gpmc-omap-for-v4.9' of https://github.com/rogerq/linux:
memory: omap-gpmc: make gpmc_clk_ticks_to_ns() static
memory: omap-gpmc: Fix build with CONFIG_OMAP_GPMC disabled
memory: omap-gpmc: use devm_gpiochip_add_data()
memory: omap-gpmc: Delete an unnecessary check before the function call "gpiochip_free_own_desc"
Arnd Bergmann [Fri, 2 Sep 2016 16:23:23 +0000 (18:23 +0200)]
Merge tag 'samsung-soc-4.9' of git://git./linux/kernel/git/krzk/linux into next/soc
Merge "Samsung mach/soc update for v4.9" from Krzysztof Kozlowski:
1. Fix for DMA on S3C24xx. This was probably broken for long time, nobody runs
this code... till now.
2. After fixes from Matthew Leach and Ben Dooks, most of our mach code
and drivers is now endian-safe. Mark the platform as supporting big endian.
3. Cleanups.
* tag 'samsung-soc-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: EXYNOS: Remove unused DMC and CMU offsets and their mappings
ARM: s3c64xx: Delete unnecessary assignment for the field "owner"
ARM: EXYNOS: Enable ARCH_SUPPORTS_BIG_ENDIAN explicitly
ARM: S3C24XX: Add missing DMA device for Mini2440 board
ARM: S3C24XX: Add dma_mask assignments for DMA devices
Arnd Bergmann [Fri, 2 Sep 2016 16:21:23 +0000 (18:21 +0200)]
Merge tag 'davinci-for-v4.9/soc' of git://git./linux/kernel/git/nsekhar/linux-davinci into next/soc
Merge "DaVinci soc support updates for v4.9" from Sekhar Nori:
DA850 SoC support update for making it possible
to use TI AEMIF driver in drivers/memory on DA850.
* tag 'davinci-for-v4.9/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: da850: Add ti-aemif lookup for clock matching
Marc Zyngier [Mon, 1 Aug 2016 09:54:16 +0000 (10:54 +0100)]
arm64: dts: Fix broken architected timer interrupt trigger
The ARM architected timer specification mandates that the interrupt
associated with each timer is level triggered (which corresponds to
the "counter >= comparator" condition).
A number of DTs are being remarkably creative, declaring the interrupt
to be edge triggered. A quick look at the TRM for the corresponding ARM
CPUs clearly shows that this is wrong, and I've corrected those.
For non-ARM designs (and in the absence of a publicly available TRM),
I've made them active low as well, which can't be completely wrong
as the GIC cannot disinguish between level low and level high.
The respective maintainers are of course welcome to prove me wrong.
While I was at it, I took the liberty to fix a couple of related issue,
such as some spurious affinity bits on ThunderX, and their complete
absence on ls1043a (both of which seem to be related to copy-pasting
from other DTs).
Acked-by: Duc Dang <dhdang@apm.com>
Acked-by: Carlo Caione <carlo@endlessm.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Arnd Bergmann [Fri, 2 Sep 2016 16:15:00 +0000 (18:15 +0200)]
ARM: clps711x: remove extraneous files
We removed support for board files in clps711x in Linux-4.8, but
I accidentally left the unused files behind. Let's kill them
off for real this time.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Arnd Bergmann [Fri, 2 Sep 2016 16:12:09 +0000 (18:12 +0200)]
Merge tag 'realview-broomstick-sweep' of git://git./linux/kernel/git/linusw/linux-integrator into next/cleanup
Merge "delete the RealView boardfiles" from Linus Walleij:
This deletes the realview boardfiles, consolidates a bit
around the Kconfig options and leaves the mach-realview
directory nice and tidy, with all boards migrated over to
Device Tree.
* tag 'realview-broomstick-sweep' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
ARM: realview: imply device tree boot
ARM: realview: no need to select SMP_ON_UP explicitly
ARM: realview: delete the RealView board files
Arnd Bergmann [Fri, 2 Sep 2016 16:07:13 +0000 (18:07 +0200)]
arm-soc: document merges
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Arnd Bergmann [Fri, 2 Sep 2016 15:47:31 +0000 (17:47 +0200)]
Merge tag 'omap-for-v4.9/defconfig-signed' of git://git./linux/kernel/git/tmlind/linux-omap into next/defconfig
Merge "omap defconfig updates for v4.9 merge window" from Tony Lindgren:
A patch from Linus Walleij <linus.walleij@linaro.org> to switch to use
generic IIO BMP280 driver instead of the BMP085.
* tag 'omap-for-v4.9/defconfig-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: omap2plus_defconfig: switch to the IIO BMP085 driver
Arnd Bergmann [Fri, 2 Sep 2016 15:45:34 +0000 (17:45 +0200)]
Merge tag 'samsung-defconfig-4.9' of git://git./linux/kernel/git/krzk/linux into next/defconfig
Merge "Samsung defconfig update for v4.9" from Krzysztof Kozlowski:
1. Device dynamic frequency and voltage scalling is now supported
on many Exynos boards, enable it.
2. Enable PM_DEBUG, cleanup old IPV6_PRIVACY.
3. Enable SECCOMP for Systemd on Arch.
4. cpufreq schedutil cannot be module anymore.
* tag 'samsung-defconfig-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: multi_v7_defconfig: Don't attempt to enable schedutil governor as module
ARM: exynos_defconfig: Don't attempt to enable schedutil governor as module
ARM: multi_v7_defconfig: Enable SECCOMP
ARM: exynos_defconfig: Enable SECCOMP
ARM: s3c2410_defconfig: Remove CONFIG_IPV6_PRIVACY
ARM: exynos_defconfig: Enable PM_DEBUG
ARM: exynos_defconfig: Enable bus frequency scaling with devfreq
Arnd Bergmann [Fri, 2 Sep 2016 15:39:14 +0000 (17:39 +0200)]
Merge tag 'davinci-for-v4.9/defconfig' of git://git./linux/kernel/git/nsekhar/linux-davinci into next/defconfig
Merge "DaVinci defconfig updates for v4.9" from Sekhar Nori:
DaVinci defconfig updates include cleanup using
savedefconfig and enabling various commonly used
drivers as modules.
* tag 'davinci-for-v4.9/defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci_all_defconfig: Enable some UBI modules
ARM: davinci_all_defconfig: Enable AEMIF as a module
ARM: davinci_all_defconfig: enable SMSC ethernet PHY
ARM: davinci_all_defconfig: enable RTC driver as module
ARM: davinci_all_defconfig: enable DA850 audio as modules
ARM: davinci_all_defconfig: cleanup with savedefconfig
Javier Martinez Canillas [Tue, 16 Aug 2016 15:08:14 +0000 (11:08 -0400)]
ARM: multi_v7_defconfig: Build Atmel maXTouch driver as a module
The driver is for a trackpad device so is not needed for booting and
makes more sense to have it as module to reduce the kernel image size.
It was probably enabled as built-in because module autoload was not
working when the I2C device was registered by OF but this got fixed
in commit
b7d21058b40b ("Input: atmel_mxt_ts - add maxtouch to I2C
table for module autoload") so it's safe to enable as a module now.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fabian Frederick [Mon, 15 Aug 2016 17:34:44 +0000 (19:34 +0200)]
ARM: multi_v7_defconfig: update XILINX_VDMA
Commit
fde57a7c4474
("dmaengine: xilinx: Rename driver and config")
renamed config XILINX_VDMA to config XILINX_DMA
Update defconfig accordingly.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Linus Walleij [Wed, 10 Aug 2016 08:52:12 +0000 (10:52 +0200)]
ARM: defconfig: update the Integrator defconfig
The Integrators defconfig have changed due to changes in
Kconfig for the CPU types, they use the physmap OF NOR
driver and syscon for LEDs.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Arnd Bergmann [Fri, 2 Sep 2016 14:14:19 +0000 (16:14 +0200)]
Merge branch 'fixes' into for-next
* fixes:
ARM: dts: kirkwood: Fix PCIe label on OpenRD
ARM: kirkwood: ib62x0: fix size of u-boot environment partition
bus: arm-ccn: make event groups reliable
bus: arm-ccn: fix hrtimer registration
bus: arm-ccn: fix PMU interrupt flags
bus: arm-ccn: Add missing event attribute exclusions for host/guest
bus: arm-ccn: Correct required arguments for XP PMU events
bus: arm-ccn: Fix XP watchpoint settings bitmask
bus: arm-ccn: Do not attempt to configure XPs for cycle counter
bus: arm-ccn: Fix PMU handling of MN
Arnd Bergmann [Fri, 2 Sep 2016 14:11:14 +0000 (16:11 +0200)]
Merge tag 'ccn/fixes-for-4.8-v2' of git://git.linaro.org/people/pawel.moll/linux into fixes
Merge "bus: ARM CCN PMU driver updates" from Paweł Moll:
- Fixes and improvements for XP watchpoint and events handling
- Added missing condition checks for KVM-related exclusions
- Improved interrupt affinity handling
- Fix for hrtimer use in polling mode
- Event grouping implementation improvement
* tag 'ccn/fixes-for-4.8-v2' of git://git.linaro.org/people/pawel.moll/linux:
bus: arm-ccn: make event groups reliable
bus: arm-ccn: fix hrtimer registration
bus: arm-ccn: fix PMU interrupt flags
bus: arm-ccn: Add missing event attribute exclusions for host/guest
bus: arm-ccn: Correct required arguments for XP PMU events
bus: arm-ccn: Fix XP watchpoint settings bitmask
bus: arm-ccn: Do not attempt to configure XPs for cycle counter
bus: arm-ccn: Fix PMU handling of MN
Arnd Bergmann [Fri, 2 Sep 2016 14:02:01 +0000 (16:02 +0200)]
Merge tag 'mvebu-fixes-4.8-2' of git://git.infradead.org/linux-mvebu into fixes
Merge "mvebu fixes for 4.8 (part 1)" from Gregory CLEMENT:
Few device tree fix on kirkwood:
- enable PCIe on OpenRD
- use correct u-boot environment partition size on ib62x0
* tag 'mvebu-fixes-4.8-2' of git://git.infradead.org/linux-mvebu:
ARM: dts: kirkwood: Fix PCIe label on OpenRD
ARM: kirkwood: ib62x0: fix size of u-boot environment partition
Philipp Zabel [Thu, 28 Jul 2016 13:36:37 +0000 (15:36 +0200)]
reset: hi6220: allow to compile test driver on other architectures
Also remove the RESET_CONTROLLER dependency, this Kconfig file is
included inside the menuconfig already.
Cc: Chen Feng <puck.chen@hisilicon.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Philipp Zabel [Tue, 9 Aug 2016 07:28:54 +0000 (09:28 +0200)]
reset: zynq: add driver Kconfig option
Visible only if COMPILE_TEST is enabled, this allows to include the
driver in build tests.
Cc: Moritz Fischer <moritz.fischer@ettus.com>
Cc: Sören Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Philipp Zabel [Tue, 9 Aug 2016 07:28:44 +0000 (09:28 +0200)]
reset: sunxi: add driver Kconfig option
Visible only if COMPILE_TEST is enabled, this allows to include the
driver in build tests.
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Philipp Zabel [Thu, 28 Jul 2016 13:34:15 +0000 (15:34 +0200)]
reset: stm32: add driver Kconfig option
Visible only if COMPILE_TEST is enabled, this allows to include the
driver in build tests.
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Gabriel Fernandez <gabriel.fernandez@st.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Philipp Zabel [Thu, 28 Jul 2016 13:33:43 +0000 (15:33 +0200)]
reset: socfpga: add driver Kconfig option
Visible only if COMPILE_TEST is enabled, this allows to include the
driver in build tests.
Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Philipp Zabel [Thu, 28 Jul 2016 13:33:07 +0000 (15:33 +0200)]
reset: pistachio: add driver Kconfig option
Visible only if COMPILE_TEST is enabled, this allows to include the
driver in build tests.
Cc: Damien Horsley <Damien.Horsley@imgtec.com>
Acked-by: James Hartley <james.hartley@imgtec.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Baoyou Xie [Sun, 28 Aug 2016 05:28:15 +0000 (13:28 +0800)]
memory: omap-gpmc: make gpmc_clk_ticks_to_ns() static
We get 1 warning when build kernel with W=1:
drivers/memory/omap-gpmc.c:354:14: warning: no previous prototype for 'gpmc_clk_ticks_to_ns' [-Wmissing-prototypes]
In fact, this function is only used in the file in which it is declared
and don't need a declaration, but can be made static.
so this patch marks it 'static'.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Roger Quadros [Wed, 24 Aug 2016 09:10:17 +0000 (12:10 +0300)]
memory: omap-gpmc: Fix build with CONFIG_OMAP_GPMC disabled
Fix the following build failure if omap-gpmc.h is
used with CONFIG_OMAP_GPMC disabled.
./include/linux/omap-gpmc.h:32:1: error: unknown type name ‘gpmc_nand_ops’
Signed-off-by: Roger Quadros <rogerq@ti.com>
Linus Walleij [Mon, 8 Aug 2016 08:03:16 +0000 (10:03 +0200)]
memory: omap-gpmc: use devm_gpiochip_add_data()
This saves a few codelines in the driver.
Cc: Roger Quadros <rogerq@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Markus Elfring [Sat, 23 Jul 2016 16:54:02 +0000 (18:54 +0200)]
memory: omap-gpmc: Delete an unnecessary check before the function call "gpiochip_free_own_desc"
The gpiochip_free_own_desc() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Linus Torvalds [Sun, 28 Aug 2016 22:04:33 +0000 (15:04 -0700)]
Linux 4.8-rc4
Linus Torvalds [Sun, 28 Aug 2016 21:31:36 +0000 (14:31 -0700)]
Merge tag 'drm-fixes-for-4.8-rc4' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"A bunch of fixes covering i915, amdgpu, one tegra and some core DRM
ones. Nothing too strange at this point"
* tag 'drm-fixes-for-4.8-rc4' of git://people.freedesktop.org/~airlied/linux: (21 commits)
drm/atomic: Don't potentially reset color_mgmt_changed on successive property updates.
drm: Protect fb_defio in drivers with CONFIG_KMS_FBDEV_EMULATION
drm/amdgpu: skip TV/CV in display parsing
drm/amdgpu: avoid a possible array overflow
drm/amdgpu: fix lru size grouping v2
drm/tegra: dsi: Enhance runtime power management
drm/i915: Fix botched merge that downgrades CSR versions.
drm/i915/skl: Ensure pipes with changed wms get added to the state
drm/i915/gen9: Only copy WM results for changed pipes to skl_hw
drm/i915/skl: Add support for the SAGV, fix underrun hangs
drm/i915/gen6+: Interpret mailbox error flags
drm/i915: Reattach comment, complete type specification
drm/i915: Unconditionally flush any chipset buffers before execbuf
drm/i915/gen9: Drop invalid WARN() during data rate calculation
drm/i915/gen9: Initialize intel_state->active_crtcs during WM sanitization (v2)
drm: Reject page_flip for !DRIVER_MODESET
drm/amdgpu: fix timeout value check in amd_sched_job_recovery
drm/amdgpu: fix sdma_v2_4_ring_test_ib
drm/amdgpu: fix amdgpu_move_blit on 32bit systems
drm/radeon: fix radeon_move_blit on 32bit systems
...
Mario Kleiner [Fri, 26 Aug 2016 23:02:28 +0000 (01:02 +0200)]
drm/atomic: Don't potentially reset color_mgmt_changed on successive property updates.
Due to assigning the 'replaced' value instead of or'ing it,
if drm_atomic_crtc_set_property() gets called multiple times,
the last call will define the color_mgmt_changed flag, so
a non-updating call to a property can reset the flag and
prevent actual hw state updates required by preceding
property updates.
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: <stable@vger.kernel.org> # v4.6+
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Linus Torvalds [Sun, 28 Aug 2016 17:02:23 +0000 (10:02 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
"A few fixes from the perf departement
- prevent a imbalanced preemption disable in the events teardown code
- prevent out of bound acces in perf userspace
- make perf tools compile with UCLIBC again
- a fix for the userspace unwinder utility"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Use this_cpu_ptr() when stopping AUX events
perf evsel: Do not access outside hw cache name arrays
tools lib: Reinstate strlcpy() header guard with __UCLIBC__
perf unwind: Use addr_location::addr instead of ip for entries
Linus Torvalds [Sun, 28 Aug 2016 17:00:21 +0000 (10:00 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"A single bugfix to prevent irq remapping when the ioapic is disabled"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic: Do not init irq remapping if ioapic is disabled
Linus Torvalds [Sun, 28 Aug 2016 16:52:40 +0000 (09:52 -0700)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"This lot provides:
- plug a hotplug race in the new affinity infrastructure
- a fix for the trigger type of chained interrupts
- plug a potential memory leak in the core code
- a few fixes for ARM and MIPS GICs"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/mips-gic: Implement activate op for device domain
irqchip/mips-gic: Cleanup chip and handler setup
genirq/affinity: Use get/put_online_cpus around cpumask operations
genirq: Fix potential memleak when failing to get irq pm
irqchip/gicv3-its: Disable the ITS before initializing it
irqchip/gicv3: Remove disabling redistributor and group1 non-secure interrupts
irqchip/gic: Allow self-SGIs for SMP on UP configurations
genirq: Correctly configure the trigger on chained interrupts
Linus Torvalds [Sun, 28 Aug 2016 16:03:05 +0000 (09:03 -0700)]
Merge branch 'timers-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"A few updates for timers & co:
- prevent a livelock in the timekeeping code when debugging is
enabled
- prevent out of bounds access in the timekeeping debug code
- various fixes in clocksource drivers
- a new maintainers entry"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/sun4i: Clear interrupts after stopping timer in probe function
drivers/clocksource/pistachio: Fix memory corruption in init
clocksource/drivers/timer-atmel-pit: Enable mck clock
clocksource/drivers/pxa: Fix include files for compilation
MAINTAINERS: Add ARM ARCHITECTED TIMER entry
timekeeping: Cap array access in timekeeping_debug
timekeeping: Avoid taking lock in NMI path with CONFIG_DEBUG_TIMEKEEPING
Linus Torvalds [Sat, 27 Aug 2016 22:51:50 +0000 (15:51 -0700)]
Merge tag 'for-linus' of git://git./virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"ARM:
- fixes for ITS init issues, error handling, IRQ leakage, race
conditions
- an erratum workaround for timers
- some removal of misleading use of errors and comments
- a fix for GICv3 on 32-bit guests
MIPS:
- fix for where the guest could wrongly map the first page of
physical memory
x86:
- nested virtualization fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
MIPS: KVM: Check for pfn noslot case
kvm: nVMX: fix nested tsc scaling
KVM: nVMX: postpone VMCS changes on MSR_IA32_APICBASE write
KVM: nVMX: fix msr bitmaps to prevent L2 from accessing L0 x2APIC
arm64: KVM: report configured SRE value to 32-bit world
arm64: KVM: remove misleading comment on pmu status
KVM: arm/arm64: timer: Workaround misconfigured timer interrupt
arm64: Document workaround for Cortex-A72 erratum #853709
KVM: arm/arm64: Change misleading use of is_error_pfn
KVM: arm64: ITS: avoid re-mapping LPIs
KVM: arm64: check for ITS device on MSI injection
KVM: arm64: ITS: move ITS registration into first VCPU run
KVM: arm64: vgic-its: Make updates to propbaser/pendbaser atomic
KVM: arm64: vgic-its: Plug race in vgic_put_irq
KVM: arm64: vgic-its: Handle errors from vgic_add_lpi
KVM: arm64: ITS: return 1 on successful MSI injection
Linus Torvalds [Sat, 27 Aug 2016 06:12:12 +0000 (23:12 -0700)]
Merge branch 'akpm' (patches from Andrew)
Merge fixes from Andrew Morton:
"11 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: silently skip readahead for DAX inodes
dax: fix device-dax region base
fs/seq_file: fix out-of-bounds read
mm: memcontrol: avoid unused function warning
mm: clarify COMPACTION Kconfig text
treewide: replace config_enabled() with IS_ENABLED() (2nd round)
printk: fix parsing of "brl=" option
soft_dirty: fix soft_dirty during THP split
sysctl: handle error writing UINT_MAX to u32 fields
get_maintainer: quiet noisy implicit -f vcs_file_exists checking
byteswap: don't use __builtin_bswap*() with sparse
Linus Torvalds [Sat, 27 Aug 2016 06:05:19 +0000 (23:05 -0700)]
Merge tag 'arm64-fixes' of git://git./linux/kernel/git/arm64/linux
Pull ARM64 fix from Catalin Marinas:
"ARM64 fix to avoid potential TLB conflict when CONFIG_RANDOMIZE_BASE
is enabled"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: avoid TLB conflict with CONFIG_RANDOMIZE_BASE
Linus Torvalds [Sat, 27 Aug 2016 06:01:09 +0000 (23:01 -0700)]
Merge tag 'for-linus' of git://git./linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"Round one of 4.8 rc fixes.
This should be the bulk of the -rc fixes for 4.8. I only have a few
things that are still outstanding (two ipoib bugs for which the
solution is not yet fully known, and a few queued items that came in
after my last push and I didn't want to delay this pull request for
late comers again).
Even though the patch count is kind of high, everything is minor fixes
so the overall churn is pretty low.
Summary:
- minor fixes to cxgb4
- minor fixes to mlx4
- one minor fix each to core, rxe, isert, srpt, mlx5, ocrdma, and usnic
- six or so fixes to i40iw fixes
- the rest are hfi1 fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (34 commits)
i40iw: Send last streaming mode message for loopback connections
IB/srpt: Update sport->port_guid with each port refresh
RDMA/ocrdma: Fix the max_sge reported from FW
i40iw: Avoid writing to freed memory
i40iw: Fix double free of allocated_buffer
IB/mlx5: Remove superfluous include of io-mapping.h
i40iw: Do not set self-referencing pointer to NULL after kfree
i40iw: Add missing NULL check for MPA private data
iw_cxgb4: Fix cxgb4 arm CQ logic w/IB_CQ_REPORT_MISSED_EVENTS
i40iw: Add missing check for interface already open
i40iw: Protect req_resource_num update
i40iw: Change mem_resources pointer to a u8
IB/core: Use memdup_user() rather than duplicating its implementation
IB/qib: Use memdup_user() rather than duplicating its implementation
iw_cxgb4: use the MPA initiator's IRD if < our ORD
iw_cxgb4: limit IRD/ORD advertised to ULP by device max.
IB/hfi1: Fix mm_struct use after free
IB/rdmvat: Fix double vfree() in rvt_create_qp() error path
IB/hfi1: Improve J_KEY generation
IB/hfi1: Return invalid field for non-QSFP CableInfo queries
...
Linus Torvalds [Sat, 27 Aug 2016 05:53:21 +0000 (22:53 -0700)]
Merge tag 'sound-4.8-rc4' of git://git./linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here are a bunch of fixes as you can see in diffstat.
One core change in ASoC is about the unexpected unbinding error, and
another about debugfs cleanup.
The rest are wide-spread driver-specific fixes: a series of LINE6 USB
fixes, a HD-audio quirk, and various ASoC fixes including OMAP boot
fixes and Intel SKL fixes"
* tag 'sound-4.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (22 commits)
ALSA: hda/realtek - fix headset mic detection for MSI MS-B120
ASoC: omap-mcpdm: Fix irq resource handling
ASoC: max98371: Add terminate entry for i2c_device_id tables
ALSA: line6: Fix POD sysfs attributes segfault
ALSA: line6: Give up on the lock while URBs are released.
ALSA: line6: Remove double line6_pcm_release() after failed acquire.
ASoC: omap-abe-twl6040: Correct dmic-codec device registration
ASoC: core: Clean up DAPM before the card debugfs
ASoC: omap-mcpdm: Drop pdmclk clock handling
ASoC: atmel_ssc_dai: Don't unconditionally reset SSC on stream startup
ASoC: compress: Fix leak of a widget list in soc_compr_open_fe
ASoC: Intel: Skylake: Fix error return code in skl_probe()
ASoC: wm2000: Fix return of uninitialised varible
ASoC: Fix leak of rtd in soc_bind_dai_link
ASoC: da7213: Default to 64 BCLKs per WCLK to support all formats
ASoC: nau8825: fix static check error about semaphone control
ASoC: nau8825: fix bug in playback when suspend
ASoC: samsung: Fix clock handling in S3C24XX_UDA134X card
ASoC: simple-card-utils: add missing MODULE_xxx()
ASoC: Intel: Skylake: Check list empty while getting module info
...
Linus Torvalds [Sat, 27 Aug 2016 03:22:01 +0000 (20:22 -0700)]
Merge branch 'for-linus-4.8' of git://git./linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"We've queued up a few different fixes in here. These range from
enospc corners to fsync and quota fixes, and a few targeted at error
handling for corrupt metadata/fuzzing"
* 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix lockdep warning on deadlock against an inode's log mutex
Btrfs: detect corruption when non-root leaf has zero item
Btrfs: check btree node's nritems
btrfs: don't create or leak aliased root while cleaning up orphans
Btrfs: fix em leak in find_first_block_group
btrfs: do not background blkdev_put()
Btrfs: clarify do_chunk_alloc()'s return value
btrfs: fix fsfreeze hang caused by delayed iputs deal
btrfs: update btrfs_space_info's bytes_may_use timely
btrfs: divide btrfs_update_reserved_bytes() into two functions
btrfs: use correct offset for reloc_inode in prealloc_file_extent_cluster()
btrfs: qgroup: Fix qgroup incorrectness caused by log replay
btrfs: relocation: Fix leaking qgroups numbers on data extents
btrfs: qgroup: Refactor btrfs_qgroup_insert_dirty_extent()
btrfs: waiting on qgroup rescan should not always be interruptible
btrfs: properly track when rescan worker is running
btrfs: flush_space: treat return value of do_chunk_alloc properly
Btrfs: add ASSERT for block group's memory leak
btrfs: backref: Fix soft lockup in __merge_refs function
Btrfs: fix memory leak of reloc_root
Linus Torvalds [Sat, 27 Aug 2016 03:18:49 +0000 (20:18 -0700)]
Merge tag 'dlm-4.8-fixes' of git://git./linux/kernel/git/teigland/linux-dlm
Pull dlm fix from David Teigland:
"This fixes a bug introduced by recent debugfs cleanup"
* tag 'dlm-4.8-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: fix malfunction of dlm_tool caused by debugfs changes
Linus Torvalds [Sat, 27 Aug 2016 03:15:32 +0000 (20:15 -0700)]
Merge tag 'dm-4.8-fixes-3' of git://git./linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- another stable fix for DM flakey (that tweaks the previous fix that
didn't factor in expected 'drop_writes' behavior for read IO).
- a dm-log bio operation flags fix for the broader block changes that
were merged during the 4.8 merge window.
* tag 'dm-4.8-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm log: fix unitialized bio operation flags
dm flakey: fix reads to be issued if drop_writes configured
Linus Torvalds [Sat, 27 Aug 2016 03:12:35 +0000 (20:12 -0700)]
Merge tag 'iommu-fixes-v4.8-rc3' of git://git./linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Fixes from Will Deacon:
- fix a couple of thinkos in the CMDQ error handling and
short-descriptor page table code that have been there since day one
- disable stalling faults, since they may result in hardware deadlock
- fix an accidental BUG() when passing disable_bypass=1 on the
cmdline"
* tag 'iommu-fixes-v4.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/arm-smmu: Don't BUG() if we find aborting STEs with disable_bypass
iommu/arm-smmu: Disable stalling faults for all endpoints
iommu/arm-smmu: Fix CMDQ error handling
iommu/io-pgtable-arm-v7s: Fix attributes when splitting blocks
Linus Torvalds [Sat, 27 Aug 2016 01:50:07 +0000 (18:50 -0700)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Here's a set of block fixes for the current 4.8-rc release. This
contains:
- a fix for a secure erase regression, from Adrian.
- a fix for an mmc use-after-free bug regression, also from Adrian.
- potential zero pointer deference in bdev freezing, from Andrey.
- a race fix for blk_set_queue_dying() from Bart.
- a set of xen blkfront fixes from Bob Liu.
- three small fixes for bcache, from Eric and Kent.
- a fix for a potential invalid NVMe state transition, from Gabriel.
- blk-mq CPU offline fix, preventing us from issuing and completing a
request on the wrong queue. From me.
- revert two previous floppy changes, since they caused a user
visibile regression. A better fix is in the works.
- ensure that we don't send down bios that have more than 256
elements in them. Fixes a crash with bcache, for example. From
Ming.
- a fix for deferencing an error pointer with cgroup writeback.
Fixes a regression. From Vegard"
* 'for-linus' of git://git.kernel.dk/linux-block:
mmc: fix use-after-free of struct request
Revert "floppy: refactor open() flags handling"
Revert "floppy: fix open(O_ACCMODE) for ioctl-only open"
fs/block_dev: fix potential NULL ptr deref in freeze_bdev()
blk-mq: improve warning for running a queue on the wrong CPU
blk-mq: don't overwrite rq->mq_ctx
block: make sure a big bio is split into at most 256 bvecs
nvme: Fix nvme_get/set_features() with a NULL result pointer
bdev: fix NULL pointer dereference
xen-blkfront: free resources if xlvbd_alloc_gendisk fails
xen-blkfront: introduce blkif_set_queue_limits()
xen-blkfront: fix places not updated after introducing 64KB page granularity
bcache: pr_err: more meaningful error message when nr_stripes is invalid
bcache: RESERVE_PRIO is too small by one when prio_buckets() is a power of two.
bcache: register_bcache(): call blkdev_put() when cache_alloc() fails
block: Fix race triggered by blk_set_queue_dying()
block: Fix secure erase
nvme: Prevent controller state invalid transition
Linus Torvalds [Sat, 27 Aug 2016 01:36:23 +0000 (18:36 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input
Pull input subsystem fixes from Dmitry Torokhov:
"Simply small driver fixups"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ads7846 - remove redundant regulator_disable call
Input: synaptics-rmi4 - fix register descriptor subpacket map construction
Input: tegra-kbc - fix inverted reset logic
Input: silead - use devm_gpiod_get
Input: i8042 - set up shared ps2_cmd_mutex for AUX ports
Linus Torvalds [Sat, 27 Aug 2016 01:26:07 +0000 (18:26 -0700)]
Merge tag 'pci-v4.8-fixes-1' of git://git./linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Resource management:
- Update "pci=resource_alignment" documentation (Mathias Koehrer)
MSI:
- Use positive flags in pci_alloc_irq_vectors() (Christoph Hellwig)
- Call pci_intx() when using legacy interrupts in pci_alloc_irq_vectors() (Christoph Hellwig)
Intel VMD host bridge driver:
- Fix infinite loop executing irq's (Keith Busch)"
* tag 'pci-v4.8-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
x86/PCI: VMD: Fix infinite loop executing irq's
PCI: Call pci_intx() when using legacy interrupts in pci_alloc_irq_vectors()
PCI: Use positive flags in pci_alloc_irq_vectors()
PCI: Update "pci=resource_alignment" documentation
Ross Zwisler [Thu, 25 Aug 2016 22:17:17 +0000 (15:17 -0700)]
mm: silently skip readahead for DAX inodes
For DAX inodes we need to be careful to never have page cache pages in
the mapping->page_tree. This radix tree should be composed only of DAX
exceptional entries and zero pages.
ltp's readahead02 test was triggering a warning because we were trying
to insert a DAX exceptional entry but found that a page cache page had
already been inserted into the tree. This page was being inserted into
the radix tree in response to a readahead(2) call.
Readahead doesn't make sense for DAX inodes, but we don't want it to
report a failure either. Instead, we just return success and don't do
any work.
Link: http://lkml.kernel.org/r/20160824221429.21158-1-ross.zwisler@linux.intel.com
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reported-by: Jeff Moyer <jmoyer@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Jan Kara <jack@suse.com>
Cc: <stable@vger.kernel.org> [4.5+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Dan Williams [Thu, 25 Aug 2016 22:17:14 +0000 (15:17 -0700)]
dax: fix device-dax region base
The data offset for a dax region needs to account for a reservation in
the resource range. Otherwise, device-dax is allowing mappings directly
into the memmap or device-info-block area with crash signatures like the
following:
BUG: unable to handle kernel NULL pointer dereference at
0000000000000008
IP: get_zone_device_page+0x11/0x30
Call Trace:
follow_devmap_pmd+0x298/0x2c0
follow_page_mask+0x275/0x530
__get_user_pages+0xe3/0x750
__gfn_to_pfn_memslot+0x1b2/0x450 [kvm]
tdp_page_fault+0x130/0x280 [kvm]
kvm_mmu_page_fault+0x5f/0xf0 [kvm]
handle_ept_violation+0x94/0x180 [kvm_intel]
vmx_handle_exit+0x1d3/0x1440 [kvm_intel]
kvm_arch_vcpu_ioctl_run+0x81d/0x16a0 [kvm]
kvm_vcpu_ioctl+0x33c/0x620 [kvm]
do_vfs_ioctl+0xa2/0x5d0
SyS_ioctl+0x79/0x90
entry_SYSCALL_64_fastpath+0x1a/0xa4
Fixes: ab68f2622136 ("/dev/dax, pmem: direct access to persistent memory")
Link: http://lkml.kernel.org/r/147205536732.1606.8994275381938837346.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reported-by: Abhilash Kumar Mulumudi <m.abhilash-kumar@hpe.com>
Reported-by: Toshi Kani <toshi.kani@hpe.com>
Tested-by: Toshi Kani <toshi.kani@hpe.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Vegard Nossum [Thu, 25 Aug 2016 22:17:11 +0000 (15:17 -0700)]
fs/seq_file: fix out-of-bounds read
seq_read() is a nasty piece of work, not to mention buggy.
It has (I think) an old bug which allows unprivileged userspace to read
beyond the end of m->buf.
I was getting these:
BUG: KASAN: slab-out-of-bounds in seq_read+0xcd2/0x1480 at addr
ffff880116889880
Read of size 2713 by task trinity-c2/1329
CPU: 2 PID: 1329 Comm: trinity-c2 Not tainted 4.8.0-rc1+ #96
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014
Call Trace:
kasan_object_err+0x1c/0x80
kasan_report_error+0x2cb/0x7e0
kasan_report+0x4e/0x80
check_memory_region+0x13e/0x1a0
kasan_check_read+0x11/0x20
seq_read+0xcd2/0x1480
proc_reg_read+0x10b/0x260
do_loop_readv_writev.part.5+0x140/0x2c0
do_readv_writev+0x589/0x860
vfs_readv+0x7b/0xd0
do_readv+0xd8/0x2c0
SyS_readv+0xb/0x10
do_syscall_64+0x1b3/0x4b0
entry_SYSCALL64_slow_path+0x25/0x25
Object at
ffff880116889100, in cache kmalloc-4096 size: 4096
Allocated:
PID = 1329
save_stack_trace+0x26/0x80
save_stack+0x46/0xd0
kasan_kmalloc+0xad/0xe0
__kmalloc+0x1aa/0x4a0
seq_buf_alloc+0x35/0x40
seq_read+0x7d8/0x1480
proc_reg_read+0x10b/0x260
do_loop_readv_writev.part.5+0x140/0x2c0
do_readv_writev+0x589/0x860
vfs_readv+0x7b/0xd0
do_readv+0xd8/0x2c0
SyS_readv+0xb/0x10
do_syscall_64+0x1b3/0x4b0
return_from_SYSCALL_64+0x0/0x6a
Freed:
PID = 0
(stack is not available)
Memory state around the buggy address:
ffff88011688a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88011688a080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
ffff88011688a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff88011688a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88011688a200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Disabling lock debugging due to kernel taint
This seems to be the same thing that Dave Jones was seeing here:
https://lkml.org/lkml/2016/8/12/334
There are multiple issues here:
1) If we enter the function with a non-empty buffer, there is an attempt
to flush it. But it was not clearing m->from after doing so, which
means that if we try to do this flush twice in a row without any call
to traverse() in between, we are going to be reading from the wrong
place -- the splat above, fixed by this patch.
2) If there's a short write to userspace because of page faults, the
buffer may already contain multiple lines (i.e. pos has advanced by
more than 1), but we don't save the progress that was made so the
next call will output what we've already returned previously. Since
that is a much less serious issue (and I have a headache after
staring at seq_read() for the past 8 hours), I'll leave that for now.
Link: http://lkml.kernel.org/r/1471447270-32093-1-git-send-email-vegard.nossum@oracle.com
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Arnd Bergmann [Thu, 25 Aug 2016 22:17:08 +0000 (15:17 -0700)]
mm: memcontrol: avoid unused function warning
A bugfix in v4.8-rc2 introduced a harmless warning when
CONFIG_MEMCG_SWAP is disabled but CONFIG_MEMCG is enabled:
mm/memcontrol.c:4085:27: error: 'mem_cgroup_id_get_online' defined but not used [-Werror=unused-function]
static struct mem_cgroup *mem_cgroup_id_get_online(struct mem_cgroup *memcg)
This moves the function inside of the #ifdef block that hides the
calling function, to avoid the warning.
Fixes: 1f47b61fb407 ("mm: memcontrol: fix swap counter leak on swapout from offline cgroup")
Link: http://lkml.kernel.org/r/20160824113733.2776701-1-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Michal Hocko [Thu, 25 Aug 2016 22:17:05 +0000 (15:17 -0700)]
mm: clarify COMPACTION Kconfig text
The current wording of the COMPACTION Kconfig help text doesn't
emphasise that disabling COMPACTION might cripple the page allocator
which relies on the compaction quite heavily for high order requests and
an unexpected OOM can happen with the lack of compaction. Make sure we
are vocal about that.
Link: http://lkml.kernel.org/r/20160823091726.GK23577@dhcp22.suse.cz
Signed-off-by: Michal Hocko <mhocko@suse.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Masahiro Yamada [Thu, 25 Aug 2016 22:17:02 +0000 (15:17 -0700)]
treewide: replace config_enabled() with IS_ENABLED() (2nd round)
Commit
97f2645f358b ("tree-wide: replace config_enabled() with
IS_ENABLED()") mostly killed config_enabled(), but some new users have
appeared for v4.8-rc1. They are all used for a boolean option, so can
be replaced with IS_ENABLED() safely.
Link: http://lkml.kernel.org/r/1471970749-24867-1-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Nicolas Iooss [Thu, 25 Aug 2016 22:17:00 +0000 (15:17 -0700)]
printk: fix parsing of "brl=" option
Commit
bbeddf52adc1 ("printk: move braille console support into separate
braille.[ch] files") moved the parsing of braille-related options into
_braille_console_setup(), changing the type of variable str from char*
to char**. In this commit, memcmp(str, "brl,", 4) was correctly updated
to memcmp(*str, "brl,", 4) but not memcmp(str, "brl=", 4).
Update the code to make "brl=" option work again and replace memcmp()
with strncmp() to make the compiler able to detect such an issue.
Fixes: bbeddf52adc1 ("printk: move braille console support into separate braille.[ch] files")
Link: http://lkml.kernel.org/r/20160823165700.28952-1-nicolas.iooss_linux@m4x.org
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Andrea Arcangeli [Thu, 25 Aug 2016 22:16:57 +0000 (15:16 -0700)]
soft_dirty: fix soft_dirty during THP split
While adding proper userfaultfd_wp support with bits in pagetable and
swap entry to avoid false positives WP userfaults through swap/fork/
KSM/etc, I've been adding a framework that mostly mirrors soft dirty.
So I noticed in one place I had to add uffd_wp support to the pagetables
that wasn't covered by soft_dirty and I think it should have.
Example: in the THP migration code migrate_misplaced_transhuge_page()
pmd_mkdirty is called unconditionally after mk_huge_pmd.
entry = mk_huge_pmd(new_page, vma->vm_page_prot);
entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma);
That sets soft dirty too (it's a false positive for soft dirty, the soft
dirty bit could be more finegrained and transfer the bit like uffd_wp
will do.. pmd/pte_uffd_wp() enforces the invariant that when it's set
pmd/pte_write is not set).
However in the THP split there's no unconditional pmd_mkdirty after
mk_huge_pmd and pte_swp_mksoft_dirty isn't called after the migration
entry is created. The code sets the dirty bit in the struct page
instead of setting it in the pagetable (which is fully equivalent as far
as the real dirty bit is concerned, as the whole point of pagetable bits
is to be eventually flushed out of to the page, but that is not
equivalent for the soft-dirty bit that gets lost in translation).
This was found by code review only and totally untested as I'm working
to actually replace soft dirty and I don't have time to test potential
soft dirty bugfixes as well :).
Transfer the soft_dirty from pmd to pte during THP splits.
This fix avoids losing the soft_dirty bit and avoids userland memory
corruption in the checkpoint.
Fixes: eef1b3ba053aa6 ("thp: implement split_huge_pmd()")
Link: http://lkml.kernel.org/r/1471610515-30229-2-git-send-email-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Pavel Emelyanov <xemul@virtuozzo.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Subash Abhinov Kasiviswanathan [Thu, 25 Aug 2016 22:16:51 +0000 (15:16 -0700)]
sysctl: handle error writing UINT_MAX to u32 fields
We have scripts which write to certain fields on 3.18 kernels but this
seems to be failing on 4.4 kernels. An entry which we write to here is
xfrm_aevent_rseqth which is u32.
echo
4294967295 > /proc/sys/net/core/xfrm_aevent_rseqth
Commit
230633d109e3 ("kernel/sysctl.c: detect overflows when converting
to int") prevented writing to sysctl entries when integer overflow
occurs. However, this does not apply to unsigned integers.
Heinrich suggested that we introduce a new option to handle 64 bit
limits and set min as 0 and max as UINT_MAX. This might not work as it
leads to issues similar to __do_proc_doulongvec_minmax. Alternatively,
we would need to change the datatype of the entry to 64 bit.
static int __do_proc_doulongvec_minmax(void *data, struct ctl_table
{
i = (unsigned long *) data; //This cast is causing to read beyond the size of data (u32)
vleft = table->maxlen / sizeof(unsigned long); //vleft is 0 because maxlen is sizeof(u32) which is lesser than sizeof(unsigned long) on x86_64.
Introduce a new proc handler proc_douintvec. Individual proc entries
will need to be updated to use the new handler.
[akpm@linux-foundation.org: coding-style fixes]
Fixes: 230633d109e3 ("kernel/sysctl.c:detect overflows when converting to int")
Link: http://lkml.kernel.org/r/1471479806-5252-1-git-send-email-subashab@codeaurora.org
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Joe Perches [Thu, 25 Aug 2016 22:16:48 +0000 (15:16 -0700)]
get_maintainer: quiet noisy implicit -f vcs_file_exists checking
Checking command line filenames that are outside the git tree can emit a
noisy and confusing message.
Quiet that message by redirecting stderr.
Verify that the command was executed successfully.
Fixes: 4cad35a7ca69 ("get_maintainer.pl: reduce need for command-line option -f")
Link: http://lkml.kernel.org/r/1970a1d2fecb258e384e2e4fdaacdc9ccf3e30a4.1470955439.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Wolfram Sang <wsa@the-dreams.de>
Tested-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Johannes Berg [Thu, 25 Aug 2016 22:16:45 +0000 (15:16 -0700)]
byteswap: don't use __builtin_bswap*() with sparse
Although sparse declares __builtin_bswap*(), it can't actually do
constant folding inside them (yet). As such, things like
switch (protocol) {
case htons(ETH_P_IP):
break;
}
which we do all over the place cause sparse to warn that it expects a
constant instead of a function call.
Disable __HAVE_BUILTIN_BSWAP*__ if __CHECKER__ is defined to avoid this.
Fixes: 7322dd755e7d ("byteswap: try to avoid __builtin_constant_p gcc bug")
Link: http://lkml.kernel.org/r/1470914102-26389-1-git-send-email-johannes@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Eric Ren [Thu, 25 Aug 2016 09:20:59 +0000 (17:20 +0800)]
dlm: fix malfunction of dlm_tool caused by debugfs changes
With the current kernel, `dlm_tool lockdebug` fails as below:
"dlm_tool lockdebug
ED0BD86DCE724393918A1AE8FDBF1EE3
can't open /sys/kernel/debug/dlm/
ED0BD86DCE724393918A1AE8FDBF1EE3:
Operation not permitted"
This is because table_open() depends on file->f_op to tell which
seq_file ops should be passed down. But, the original file ops in
file->f_op is replaced by "debugfs_full_proxy_file_operations" with
commit
49d200deaa68 ("debugfs: prevent access to removed files'
private data").
Currently, I can think up 2 solutions: 1st, replace
debugfs_create_file() with debugfs_create_file_unsafe();
2nd, make different table_open#() accordingly. The 1st one
is neat, but I don't thoroughly understand its risk. Maybe
someone has a better one.
Signed-off-by: Eric Ren <zren@suse.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Linus Walleij [Wed, 24 Aug 2016 14:24:12 +0000 (16:24 +0200)]
ARM: omap2plus_defconfig: switch to the IIO BMP085 driver
This alters the OMAP2plus defconfig to use the IIO BMP280
driver, which is compatible with the BMP085 instead of the old
BMP085-specific misc driver. The IIO driver nowadays have all
the features of the old driver and more.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Javier Martinez Canillas [Thu, 11 Aug 2016 19:29:45 +0000 (15:29 -0400)]
ARM: OMAP2+: use IS_ENABLED() instead of checking for built-in or module
The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either
built-in or as a module, use that macro instead of open coding the same.
Using the macro makes the code more readable by helping abstract away some
of the Kconfig built-in and module enable details.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Javier Martinez Canillas [Thu, 11 Aug 2016 19:29:44 +0000 (15:29 -0400)]
ARM: OMAP1: use IS_ENABLED() instead of checking for built-in or module
The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either
built-in or as a module, use that macro instead of open coding the same.
Using the macro makes the code more readable by helping abstract away some
of the Kconfig built-in and module enable details.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Chen-Yu Tsai [Thu, 25 Aug 2016 06:26:59 +0000 (14:26 +0800)]
clocksource/drivers/sun4i: Clear interrupts after stopping timer in probe function
The bootloader (U-boot) sometimes uses this timer for various delays.
It uses it as a ongoing counter, and does comparisons on the current
counter value. The timer counter is never stopped.
In some cases when the user interacts with the bootloader, or lets
it idle for some time before loading Linux, the timer may expire,
and an interrupt will be pending. This results in an unexpected
interrupt when the timer interrupt is enabled by the kernel, at
which point the event_handler isn't set yet. This results in a NULL
pointer dereference exception, panic, and no way to reboot.
Clear any pending interrupts after we stop the timer in the probe
function to avoid this.
Cc: stable@vger.kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Marcin Nowakowski [Wed, 17 Aug 2016 10:22:33 +0000 (12:22 +0200)]
drivers/clocksource/pistachio: Fix memory corruption in init
Driver init code incorrectly uses the block base address and as a result
clears clocksource structure's fields instead of the hardware registers.
Commit
09a998201649 ("timekeeping: Lift clocksource cacheline
restriction") has changed the offsets within pistachio_clocksource
structure and what has previously gone unnoticed now leads to a kernel
panic during boot.
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Alexandre Belloni [Tue, 23 Aug 2016 08:44:02 +0000 (10:44 +0200)]
clocksource/drivers/timer-atmel-pit: Enable mck clock
mck is needed to get the PIT working. Explicitly prepare_enable it instead
of assuming it is enabled.
This solves an issue where the system is freezing when the ETM/ETB drivers
are enabled.
Reported-by: Olivier Schonken <olivier.schonken@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Gregory CLEMENT [Mon, 22 Aug 2016 16:09:36 +0000 (18:09 +0200)]
ARM: dts: kirkwood: Fix PCIe label on OpenRD
While converting PCIe node on kirkwood by using label, the following
commit
eb13cf8345e9 ("ARM: dts: kirkwood: Fixup pcie DT warnings")
introduced a regression on the OpenRD boards: the PCIe didn't work
anymore. As reported by Aaro Koskinen, the display/framebuffer was
lost. This commit adds the forgotten label.
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Fixes: eb13cf8345e9 ("ARM: dts: kirkwood: Fixup pcie DT warnings")
Cc: stable@vger.kernel.org
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Simon Baatz [Fri, 12 Aug 2016 17:12:50 +0000 (19:12 +0200)]
ARM: kirkwood: ib62x0: fix size of u-boot environment partition
Commit
148c274ea644 ("ARM: kirkwood: ib62x0: add u-boot environment
partition") split the "u-boot" partition into "u-boot" and "u-boot
environment". However, instead of the size of the environment, an offset
was given, resulting in overlapping partitions.
Signed-off-by: Simon Baatz <gmbnomis@gmail.com>
Fixes: 148c274ea644 ("ARM: kirkwood: ib62x0: add u-boot environment partition")
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Luka Perkov <luka@openwrt.org>
Cc: stable@vger.kernel.org # 3.13+
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Mark Rutland [Thu, 11 Aug 2016 09:50:43 +0000 (10:50 +0100)]
bus: arm-ccn: make event groups reliable
The CCN PMU driver leaves the counting logic always enabled, and thus
events are enabled while groups are manipulated. As each event is
stopped and read individually, this leads to arbitrary skew across event
groups, which can be seen if counting several identical events.
To avoid this, implement pmu_{enable,disable} callbacks to stop and
start all counters atomically around event manipulation. As the counters
are now stopped, we cannot poll the cycle counter to wait for events to
drain from the bus. However, as the counters are stopped and the events
will not be read regardless, we can simply allow the bus to drain
naturally.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Mark Rutland [Thu, 11 Aug 2016 09:50:42 +0000 (10:50 +0100)]
bus: arm-ccn: fix hrtimer registration
The CCN PMU driver has a single hrtimer, used to simulate a periodic
interrupt on systems where the overflow interrupt is not possible to
use. The hrtimer is started when any event is started, and cancelled when
any event is stopped. Thus, stopping a single event is sufficient to
disable to hrtimer, and overflows (of other events) may be lost.
To avoid this, this patch reworks the hrtimer start/cancel to only occur
when the first event is added to a PMU, and the last event removed,
making use of the existing bitmap counting active events.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Mark Rutland [Thu, 11 Aug 2016 09:50:41 +0000 (10:50 +0100)]
bus: arm-ccn: fix PMU interrupt flags
Currently the IRQ core is permitted to make the CCN PMU IRQ handler
threaded, and will allow userspace to change the CPU affinity of the
interrupt behind our back. Both of these could violate our
synchronisation requirements with the core perf code, which relies upon
strict CPU affinity and disabling of interrupts to guarantee mutual
exclusion in some cases.
As with the CPU PMU drivers, we should request the interrupt with
IRQF_NOBALANCING and IRQF_NO_THREAD, to avoid these issues.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Olof Johansson [Fri, 26 Aug 2016 00:32:14 +0000 (17:32 -0700)]
Merge branch 'fixes' into for-next
* fixes: (21 commits)
ARM: tegra: Correct polarity for Tegra114 PMIC interrupt
MAINTAINERS: add tree entry for ARM/UniPhier architecture
MAINTAINERS: Switch to kernel.org account for Krzysztof Kozlowski
ARM: imx6ul: populates platform device at .init_machine
ARM: dts: logicpd-somlv: Fix NAND device nodes
ARM: dts: logicpd-torpedo-som: Provide NAND ready pin
ARM: dts: overo: fix gpmc nand on boards with ethernet
ARM: dts: overo: fix gpmc nand cs0 range
ARM: dts: am335x: Update elm phandle binding
ARM: imx6: add missing BM_CLPCR_BYP_MMDC_CH0_LPM_HS setting for imx6ul
ARM: dts: exynos: Properly select eMMC HighSpeed mode on Odroid XU
ARM: dts: imx6sx-sabreauto: Fix misspelled property
firmware: arm_scpi: add missing of_node_put after calling of_parse_phandle
bus: vexpress-config: add missing of_node_put after calling of_parse_phandle
ARM: dts: armada-388-clearfog: number LAN ports properly
memory: omap-gpmc: allow probe of child nodes to fail
ARM: OMAP4+: CM: Remove redundant checks for clkctrl_offs of zero
ARM: OMAP4+: Have _omap4_wait_target_* check for valid clkctrl_offs
ARM: OMAP2+: AM33XX: Add HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET flag to rtc hwmod
ARM: OMAP4+: hwmod: Add hwmod flag for HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET
...
Olof Johansson [Fri, 26 Aug 2016 00:32:10 +0000 (17:32 -0700)]
Merge tag 'v4.8-rc3' into for-next
Linux 4.8-rc3
* tag 'v4.8-rc3': (2086 commits)
Linux 4.8-rc3
EDAC, skx_edac: Add EDAC driver for Skylake
parisc: Fix order of EREFUSED define in errno.h
parisc: Fix automatic selection of cr16 clocksource
Make the hardened user-copy code depend on having a hardened allocator
locking/barriers: Suppress sparse warnings in lockless_dereference()
Revert "drm/fb-helper: Reduce READ_ONCE(master) to lockless_dereference"
arm64: Fix shift warning in arch/arm64/mm/dump.c
sched/cputime: Resync steal time when guest & host lose sync
sched/cputime: Fix NO_HZ_FULL getrusage() monotonicity regression
perf/core: Check return value of the perf_event_read() IPI
perf/core: Enable mapping of the stop filters
perf/core: Update filters only on executable mmap
perf/core: Fix file name handling for start/stop filters
perf/core: Fix event_function_local()
x86/smp: Fix __max_logical_packages value setup
x86/microcode/AMD: Fix initrd loading with CONFIG_RANDOMIZE_MEMORY=y
uprobes: Fix the memcg accounting
net_sched: allow flushing tc police actions
net_sched: unify the init logic for act_police
...
Jon Hunter [Wed, 24 Aug 2016 13:14:38 +0000 (15:14 +0200)]
ARM: tegra: Correct polarity for Tegra114 PMIC interrupt
The ARM GIC only supports interrupts with either level-high or
rising-edge types for SPIs. The interrupt type for the Palmas PMIC used
for Tegra114 boards is specified as level-low which is invalid for the
GIC. This has gone undetected because until recently, failures to set
the interrupt type when the interrupts are mapped via firmware (such as
device-tree) have not been reported. Since commits
4b357daed698
("genirq: Look-up trigger type if not specified by caller") and
1e2a7d78499e ("irqdomain: Don't set type when mapping an IRQ"), failure
to set the interrupt type will cause the requesting of the interrupt to
fail and exposing incorrectly configured interrupts.
Please note that although the interrupt type was never being set for the
Palmas PMIC, it was still working fine, because the default type setting
for the interrupt, 'level-high', happen to match the correct type for
the interrupt.
Finally, it should be noted that the Palmas interrupt from the PMIC is
actually 'level-low', however, this interrupt signal is inverted by the
Tegra PMC and so the GIC actually sees a 'level-high' interrupt which is
what should be specified in the device-tree interrupt specifier.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Fri, 26 Aug 2016 00:29:32 +0000 (17:29 -0700)]
Merge tag 'samsung-fixes-4.8' of git://git./linux/kernel/git/krzk/linux into fixes
Fix for v4.8-rc1:
1. Select proper eMMC HighSpeed mode on Odroid XU. DTS was mixing
"samsung,exynos5250-dw-mshc" compatible (with HS200 as fastest mode)
with a property "mmc-hs400-1_8v" thus leading to failures during
probe.
2. Update Krzysztof Kozlowski's email address in maintainers.
* tag 'samsung-fixes-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
MAINTAINERS: Switch to kernel.org account for Krzysztof Kozlowski
ARM: dts: exynos: Properly select eMMC HighSpeed mode on Odroid XU
Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Fri, 26 Aug 2016 00:21:37 +0000 (17:21 -0700)]
Merge tag 'imx-fixes-4.8' of git://git./linux/kernel/git/shawnguo/linux into fixes
The i.MX fixes for 4.8:
- Fix typo in imx6sx-sabreauto board wakeup property
- Fix i.MX6UL suspend-to-standby support by adding the
BM_CLPCR_BYP_MMDC_CH0_LPM_HS handling
- Fix a i.MX6UL regression on suspend support, which is caused by
commit
850bea2335e4 ("arm: Remove unnecessary of_platform_populate
with default match table")
* tag 'imx-fixes-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx6ul: populates platform device at .init_machine
ARM: imx6: add missing BM_CLPCR_BYP_MMDC_CH0_LPM_HS setting for imx6ul
ARM: dts: imx6sx-sabreauto: Fix misspelled property
Signed-off-by: Olof Johansson <olof@lixom.net>
Masahiro Yamada [Wed, 17 Aug 2016 18:08:22 +0000 (03:08 +0900)]
MAINTAINERS: add tree entry for ARM/UniPhier architecture
Add T: entry for a new git tree, which I expect UniPhier SoC
updates will be pulled from.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Fri, 26 Aug 2016 00:12:23 +0000 (17:12 -0700)]
Merge tag 'omap-for-v4.8/fixes-rc2' of git://git./linux/kernel/git/tmlind/linux-omap into fixes
Fixes for omaps for v4.8-rc cycle, mostly a series of four fixes for
am335x RTC zero offset for clkctrl register. Also few other fixes:
- Add missing sysc information for DSI as at least n950 needs it for
the working display
- Fix old elm-id properties that cause nand boot to not work
- Fix overo gpmc nand cs0 range
- FIx overo gpmc nand on boards with ethernet
- Fix logicpd torpedo nand ready pin nand interrupt configuration
* tag 'omap-for-v4.8/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: logicpd-somlv: Fix NAND device nodes
ARM: dts: logicpd-torpedo-som: Provide NAND ready pin
ARM: dts: overo: fix gpmc nand on boards with ethernet
ARM: dts: overo: fix gpmc nand cs0 range
ARM: dts: am335x: Update elm phandle binding
ARM: OMAP4+: CM: Remove redundant checks for clkctrl_offs of zero
ARM: OMAP4+: Have _omap4_wait_target_* check for valid clkctrl_offs
ARM: OMAP2+: AM33XX: Add HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET flag to rtc hwmod
ARM: OMAP4+: hwmod: Add hwmod flag for HWMOD_OMAP4_ZERO_CLKCTRL_OFFSET
ARM: OMAP3: hwmod data: Add sysc information for DSI
Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Fri, 26 Aug 2016 00:00:10 +0000 (17:00 -0700)]
Merge tag 'vexpress-fixes-4.8-rc' of git://git./linux/kernel/git/sudeep.holla/linux into fixes
SCPI/Vexpress fixes for v4.8-rc
Couple of minor fixes to add missing of_node_put after calling
of_parse_phandle in SCPI and vexpress-config bus drivers(Peter Chen)
* tag 'vexpress-fixes-4.8-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scpi: add missing of_node_put after calling of_parse_phandle
bus: vexpress-config: add missing of_node_put after calling of_parse_phandle
Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Thu, 25 Aug 2016 23:54:16 +0000 (16:54 -0700)]
Merge tag 'gpmc-omap-v4.8-rc1' of https://github.com/rogerq/linux into fixes
OMAP-GPMC: fixes for v4.8-rc1
Allow other children of GPMC to probe even if any child fails. This fixes
problem on Overo boards where networking device child doesn't probe due
to broken NAND child.
* tag 'gpmc-omap-v4.8-rc1' of https://github.com/rogerq/linux:
memory: omap-gpmc: allow probe of child nodes to fail
Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Thu, 25 Aug 2016 23:52:29 +0000 (16:52 -0700)]
Merge tag 'mvebu-fixes-4.8-1' of git://git.infradead.org/linux-mvebu into fixes
mvebu fixes for 4.8 (part 1)
Fix lan numbering for the Armada 388 clearfog board
* tag 'mvebu-fixes-4.8-1' of git://git.infradead.org/linux-mvebu:
ARM: dts: armada-388-clearfog: number LAN ports properly
Signed-off-by: Olof Johansson <olof@lixom.net>
Adrian Hunter [Thu, 25 Aug 2016 20:11:43 +0000 (14:11 -0600)]
mmc: fix use-after-free of struct request
We call mmc_req_is_special() after having processed a request, but
it could be freed after that. Check that ahead of time, and use
the cached value.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Fixes: c2df40dfb8c0 ("drivers: use req op accessor")
Signed-off-by: Jens Axboe <axboe@fb.com>
Dave Airlie [Thu, 25 Aug 2016 19:18:40 +0000 (05:18 +1000)]
Merge tag 'drm-intel-fixes-2016-08-25' of git://anongit.freedesktop.org/drm-intel into drm-fixes
i915 fixes queue.
* tag 'drm-intel-fixes-2016-08-25' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Fix botched merge that downgrades CSR versions.
drm/i915/skl: Ensure pipes with changed wms get added to the state
drm/i915/gen9: Only copy WM results for changed pipes to skl_hw
drm/i915/skl: Add support for the SAGV, fix underrun hangs
drm/i915/gen6+: Interpret mailbox error flags
drm/i915: Reattach comment, complete type specification
drm/i915: Unconditionally flush any chipset buffers before execbuf
drm/i915/gen9: Drop invalid WARN() during data rate calculation
drm/i915/gen9: Initialize intel_state->active_crtcs during WM sanitization (v2)
Daniel Vetter [Wed, 10 Aug 2016 16:52:38 +0000 (18:52 +0200)]
drm: Protect fb_defio in drivers with CONFIG_KMS_FBDEV_EMULATION
For reasons that entirely elude me fb.h exposes all the structures,
even when it is not enabled. Except for special stuff like fb_defio.
Which means all the drivers which haven't yet switched over to the
defio support in the helpers and still roll their own, will fail
to compile when fbdev emulation is disabled. Protect just those
bits, as a gnarly reminder that conversion to the core defio helpers
would be good.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1470847958-28465-6-git-send-email-daniel.vetter@ffwll.ch
Signed-off-by: Dave Airlie <airlied@redhat.com>
Takashi Iwai [Thu, 25 Aug 2016 15:56:09 +0000 (17:56 +0200)]
Merge tag 'asoc-fix-v4.8-rc4' of git://git./linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.8
A clutch of fixes for v4.8. These are mainly driver specific, the most
notable ones being those for OMAP which fix a series of issues that
broke boot on some platforms there when deferred probe kicked in.
There's also one core fix for an issue when unbinding a card which for
some reason had managed to not manifest until recently.
Doug Ledford [Thu, 25 Aug 2016 15:17:10 +0000 (11:17 -0400)]
Merge branch 'misc-fixes' into k.o/for-4.8-rc
Tatyana Nikolova [Wed, 24 Aug 2016 18:59:17 +0000 (13:59 -0500)]
i40iw: Send last streaming mode message for loopback connections
Send a zero length last streaming mode message for loopback
connections to synchronize between accepting QP and connecting QP.
This avoids data transfer to start on the accepting QP before
the connecting QP is in RTS. Also remove function i40iw_loopback_nop()
as it is no longer used.
Fixes: f27b4746f378 ("i40iw: add connection management code")
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Jens Axboe [Thu, 25 Aug 2016 14:56:51 +0000 (08:56 -0600)]
Revert "floppy: refactor open() flags handling"
This reverts commit
09954bad448791ef01202351d437abdd9497a804.
Jens Axboe [Thu, 25 Aug 2016 14:56:44 +0000 (08:56 -0600)]
Revert "floppy: fix open(O_ACCMODE) for ioctl-only open"
This reverts commit
ff06db1efb2ad6db06eb5b99b88a0c15a9cc9b0e.
Andrey Ryabinin [Tue, 23 Aug 2016 15:55:31 +0000 (18:55 +0300)]
fs/block_dev: fix potential NULL ptr deref in freeze_bdev()
Calling freeze_bdev() twice on the same block device without mounted
filesystem get_super() will return NULL, which will lead to NULL-ptr
dereference later in drop_super().
Check get_super() result to fix that.
Note, that this is a purely theoretical issue. We have only 3
freeze_bdev() callers. 2 of them are in filesystem code and used on a
device with mounted fs. The third one in lock_fs() has protection in
upper-layer code against freezing block device the second time without
thawing it first.
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Philipp Zabel [Thu, 28 Jul 2016 13:32:36 +0000 (15:32 +0200)]
reset: meson: add driver Kconfig option
Visible only if COMPILE_TEST is enabled, this allows to include the
driver in build tests.
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Philipp Zabel [Thu, 28 Jul 2016 13:32:01 +0000 (15:32 +0200)]
reset: lpc18xx: add driver Kconfig option
Visible only if COMPILE_TEST is enabled, this allows to include the
driver in build tests.
Acked-by: Joachim Eastwood <manabian@gmail.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Philipp Zabel [Thu, 28 Jul 2016 13:31:12 +0000 (15:31 +0200)]
reset: berlin: add driver Kconfig option
Visible only if COMPILE_TEST is enabled, this allows to include the
driver in build tests.
Cc: Antoine Tenart <antoine.tenart@free-electrons.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Philipp Zabel [Thu, 28 Jul 2016 13:30:08 +0000 (15:30 +0200)]
reset: ath79: add driver Kconfig option
Visible only if COMPILE_TEST is enabled, this allows to include the
driver in build tests.
Acked-by: Aban Bedel <albeu@free.fr>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Philipp Zabel [Tue, 9 Aug 2016 09:17:22 +0000 (11:17 +0200)]
reset: ath79: add missing include
The driver uses readl/writel, so it should include linux/io.h.
Acked-by: Aban Bedel <albeu@free.fr>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Filipe Manana [Tue, 23 Aug 2016 20:13:51 +0000 (21:13 +0100)]
Btrfs: fix lockdep warning on deadlock against an inode's log mutex
Commit
44f714dae50a ("Btrfs: improve performance on fsync against new
inode after rename/unlink"), which landed in 4.8-rc2, introduced a
possibility for a deadlock due to double locking of an inode's log mutex
by the same task, which lockdep reports with:
[23045.433975] =============================================
[23045.434748] [ INFO: possible recursive locking detected ]
[23045.435426] 4.7.0-rc6-btrfs-next-34+ #1 Not tainted
[23045.436044] ---------------------------------------------
[23045.436044] xfs_io/3688 is trying to acquire lock:
[23045.436044] (&ei->log_mutex){+.+...}, at: [<
ffffffffa038552d>] btrfs_log_inode+0x13a/0xc95 [btrfs]
[23045.436044]
but task is already holding lock:
[23045.436044] (&ei->log_mutex){+.+...}, at: [<
ffffffffa038552d>] btrfs_log_inode+0x13a/0xc95 [btrfs]
[23045.436044]
other info that might help us debug this:
[23045.436044] Possible unsafe locking scenario:
[23045.436044] CPU0
[23045.436044] ----
[23045.436044] lock(&ei->log_mutex);
[23045.436044] lock(&ei->log_mutex);
[23045.436044]
*** DEADLOCK ***
[23045.436044] May be due to missing lock nesting notation
[23045.436044] 3 locks held by xfs_io/3688:
[23045.436044] #0: (&sb->s_type->i_mutex_key#15){+.+...}, at: [<
ffffffffa035f2ae>] btrfs_sync_file+0x14e/0x425 [btrfs]
[23045.436044] #1: (sb_internal#2){.+.+.+}, at: [<
ffffffff8118446b>] __sb_start_write+0x5f/0xb0
[23045.436044] #2: (&ei->log_mutex){+.+...}, at: [<
ffffffffa038552d>] btrfs_log_inode+0x13a/0xc95 [btrfs]
[23045.436044]
stack backtrace:
[23045.436044] CPU: 4 PID: 3688 Comm: xfs_io Not tainted 4.7.0-rc6-btrfs-next-34+ #1
[23045.436044] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
rel-1.9.1-0-gb3ef39f-prebuilt.qemu-project.org 04/01/2014
[23045.436044]
0000000000000000 ffff88022f5f7860 ffffffff8127074d ffffffff82a54b70
[23045.436044]
ffffffff82a54b70 ffff88022f5f7920 ffffffff81092897 ffff880228015d68
[23045.436044]
0000000000000000 ffffffff82a54b70 ffffffff829c3f00 ffff880228015d68
[23045.436044] Call Trace:
[23045.436044] [<
ffffffff8127074d>] dump_stack+0x67/0x90
[23045.436044] [<
ffffffff81092897>] __lock_acquire+0xcbb/0xe4e
[23045.436044] [<
ffffffff8109155f>] ? mark_lock+0x24/0x201
[23045.436044] [<
ffffffff8109179a>] ? mark_held_locks+0x5e/0x74
[23045.436044] [<
ffffffff81092de0>] lock_acquire+0x12f/0x1c3
[23045.436044] [<
ffffffff81092de0>] ? lock_acquire+0x12f/0x1c3
[23045.436044] [<
ffffffffa038552d>] ? btrfs_log_inode+0x13a/0xc95 [btrfs]
[23045.436044] [<
ffffffffa038552d>] ? btrfs_log_inode+0x13a/0xc95 [btrfs]
[23045.436044] [<
ffffffff814a51a4>] mutex_lock_nested+0x77/0x3a7
[23045.436044] [<
ffffffffa038552d>] ? btrfs_log_inode+0x13a/0xc95 [btrfs]
[23045.436044] [<
ffffffffa039705e>] ? btrfs_release_delayed_node+0xb/0xd [btrfs]
[23045.436044] [<
ffffffffa038552d>] btrfs_log_inode+0x13a/0xc95 [btrfs]
[23045.436044] [<
ffffffffa038552d>] ? btrfs_log_inode+0x13a/0xc95 [btrfs]
[23045.436044] [<
ffffffff810a0ed1>] ? vprintk_emit+0x453/0x465
[23045.436044] [<
ffffffffa0385a61>] btrfs_log_inode+0x66e/0xc95 [btrfs]
[23045.436044] [<
ffffffffa03c084d>] log_new_dir_dentries+0x26c/0x359 [btrfs]
[23045.436044] [<
ffffffffa03865aa>] btrfs_log_inode_parent+0x4a6/0x628 [btrfs]
[23045.436044] [<
ffffffffa0387552>] btrfs_log_dentry_safe+0x5a/0x75 [btrfs]
[23045.436044] [<
ffffffffa035f464>] btrfs_sync_file+0x304/0x425 [btrfs]
[23045.436044] [<
ffffffff811acaf4>] vfs_fsync_range+0x8c/0x9e
[23045.436044] [<
ffffffff811acb22>] vfs_fsync+0x1c/0x1e
[23045.436044] [<
ffffffff811acc79>] do_fsync+0x31/0x4a
[23045.436044] [<
ffffffff811ace99>] SyS_fsync+0x10/0x14
[23045.436044] [<
ffffffff814a88e5>] entry_SYSCALL_64_fastpath+0x18/0xa8
[23045.436044] [<
ffffffff8108f039>] ? trace_hardirqs_off_caller+0x3f/0xaa
An example reproducer for this is:
$ mkfs.btrfs -f /dev/sdb
$ mount /dev/sdb /mnt
$ mkdir /mnt/dir
$ touch /mnt/dir/foo
$ sync
$ mv /mnt/dir/foo /mnt/dir/bar
$ touch /mnt/dir/foo
$ xfs_io -c "fsync" /mnt/dir/bar
This is because while logging the inode of file bar we end up logging its
parent directory (since its inode has an unlink_trans field matching the
current transaction id due to the rename operation), which in turn logs
the inodes for all its new dentries, so that the new inode for the new
file named foo gets logged which in turn triggered another logging attempt
for the inode we are fsync'ing, since that inode had an old name that
corresponds to the name of the new inode.
So fix this by ensuring that when logging the inode for a new dentry that
has a name matching an old name of some other inode, we don't log again
the original inode that we are fsync'ing.
Fixes: 44f714dae50a ("Btrfs: improve performance on fsync against new inode after rename/unlink")
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
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