- Fix a pin group on the Meson.
- Assign maintainers for Freescale/NXP pin controllers.
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Merge tag 'pinctrl-v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Two smallish pin control fixes: one actual code fix for the Meson and
a MAINTAINERS update.
Summary:
- fix a pin group on the Meson
- assign maintainers for Freescale/NXP pin controllers"
* tag 'pinctrl-v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
MAINTAINERS: add Freescale pin controllers
pinctrl: meson-axg: adjust uart_ao_b pin group naming
- Fix up device tree properties readout caused by my own
refactorings.
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Merge tag 'gpio-v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Fix up device tree properties readout caused by my own refactorings"
* tag 'gpio-v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: Handle deferred probing in of_find_gpio() properly
gpiolib: Keep returning EPROBE_DEFER when we should
This is the first set of bugfixes for ARM SoCs, fixing a couple
of stability problems, mostly on TI OMAP and Rockchips platforms:
- OMAP2 hwmod clocks must be enabled in the correct order
- OMAP3 Wakeup from resume through PRM IRQ was unreliable
- One regression on OMAP5 caused by a kexec fix
- Rockchip ethernet needs some settings for stable operation on Rock64
- Rockchip based Chrombook Plus needs another clock setting for
stable display suspend/resume
- Rockchip based phyCORE-RK3288 was able to run at an invalid
CPU clock frequency
- Rockchip MMC link was sometimes unreliable
- Multiple fixes to avoid crashes in the Broadcom STB DPFE driver
Other minor changes include:
- Devicetree fixes for incorrect hardware description (rockchip,
omap, Gemini, amlogic)
- Some MAINTAINER file updates to correct email and git addresses
- Some fixes addressing 'make W=1' dtc warnings (broadcom, amlogic,
cavium, qualcomm, hisilicon, zx)
- Fixes for LTO-compilation (orion, davinci, clps711x)
- One fix for an incorrect Kconfig errata selection
- A memory leak in the OMAP timer driver
- A kernel data leak in OMAP1 debugfs files
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"This is the first set of bugfixes for ARM SoCs, fixing a couple of
stability problems, mostly on TI OMAP and Rockchips platforms:
- OMAP2 hwmod clocks must be enabled in the correct order
- OMAP3 Wakeup from resume through PRM IRQ was unreliable
- one regression on OMAP5 caused by a kexec fix
- Rockchip ethernet needs some settings for stable operation on
Rock64
- Rockchip based Chrombook Plus needs another clock setting for
stable display suspend/resume
- Rockchip based phyCORE-RK3288 was able to run at an invalid CPU
clock frequency
- Rockchip MMC link was sometimes unreliable
- multiple fixes to avoid crashes in the Broadcom STB DPFE driver
Other minor changes include:
- Devicetree fixes for incorrect hardware description (rockchip,
omap, Gemini, amlogic)
- some MAINTAINER file updates to correct email and git addresses
- some fixes addressing 'make W=1' dtc warnings (broadcom, amlogic,
cavium, qualcomm, hisilicon, zx)
- fixes for LTO-compilation (orion, davinci, clps711x)
- one fix for an incorrect Kconfig errata selection
- a memory leak in the OMAP timer driver
- a kernel data leak in OMAP1 debugfs files"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
MAINTAINERS: update entries for ARM/STM32
ARM: dts: bcm283x: Move arm-pmu out of soc node
ARM: dts: bcm283x: Fix unit address of local_intc
ARM: dts: NSP: Fix amount of RAM on BCM958625HR
ARM: dts: Set D-Link DNS-313 SATA to muxmode 0
ARM: omap2: set CONFIG_LIRC=y in defconfig
ARM: dts: imx6dl: Include correct dtsi file for Engicam i.CoreM6 DualLite/Solo RQS
memory: brcmstb: dpfe: support new way of passing data from the DCPU
memory: brcmstb: dpfe: fix type declaration of variable "ret"
memory: brcmstb: dpfe: properly mask vendor error bits
ARM: BCM: dts: Remove leading 0x and 0s from bindings notation
ARM: orion: fix orion_ge00_switch_board_info initialization
ARM: davinci: mark spi_board_info arrays as const
ARM: clps711x: mark clps711x_compat as const
arm: zx: dts: Remove leading 0x and 0s from bindings notation
arm64: dts: Remove leading 0x and 0s from bindings notation
arm64: dts: cavium: fix PCI bus dtc warnings
MAINTAINERS: ARM: at91: update my email address
soc: imx: gpc: de-register power domains only if initialized
ARM: dts: rockchip: Fix DWMMC clocks
...
This week we have a single fix: replacing smp_mb() with __smp_mb(). We
were the only architecture with smp_mb() and it appears to just be
clearly wrong, so I think this is a pretty safe patch for an RC.
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Merge tag 'riscv-for-linus-4.16-rc4_smp_mb' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Pull RISC-V fix from Palmer Dabbelt:
"This week we have a single fix: replacing smp_mb() with __smp_mb().
We were the only architecture with smp_mb() and it appears to just be
clearly wrong, so I think this is a pretty safe patch for an RC"
* tag 'riscv-for-linus-4.16-rc4_smp_mb' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
riscv/barrier: Define __smp_{mb,rmb,wmb}
pull the following:
- Markus provides two minor fixes to the Broadcom STB DPFE driver, one
to properly mask bits, and a second one to use the correct type. The
third commit is a consequence of a newer DFPE firmware which would
unfortunately crash without appropriate kernel changes.
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Merge tag 'arm-soc/for-4.16/drivers-fixes' of https://github.com/Broadcom/stblinux into fixes
Pull "Broadcom drivers fixes for 4.16" from Florian Fainelli:
This pull request contains Broadcom SoCs drivers fixes for 4.16, please
pull the following:
- Markus provides two minor fixes to the Broadcom STB DPFE driver, one
to properly mask bits, and a second one to use the correct type. The
third commit is a consequence of a newer DFPE firmware which would
unfortunately crash without appropriate kernel changes.
* tag 'arm-soc/for-4.16/drivers-fixes' of https://github.com/Broadcom/stblinux:
memory: brcmstb: dpfe: support new way of passing data from the DCPU
memory: brcmstb: dpfe: fix type declaration of variable "ret"
memory: brcmstb: dpfe: properly mask vendor error bits
4.16, please pull the following:
- Mathieu fixes leading 0x and 0's from bindings and Device Tree source
files, he has done this treewide and most of his changes are already in
4.16
- Stefan provides two changes to the BCM283x DTS files in order to fix
DTC warnings
- Florian fixes the amount of RAM on the BCM958625HR reference board to
properly limit to what is initialized by the bootloader
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Merge tag 'arm-soc/for-4.16/devicetree-fixes' of https://github.com/Broadcom/stblinux into fixes
Pull "Broadcom devicetree fixes for 4.16" from Florian Fainelli:
This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
4.16, please pull the following:
- Mathieu fixes leading 0x and 0's from bindings and Device Tree source
files, he has done this treewide and most of his changes are already in
4.16
- Stefan provides two changes to the BCM283x DTS files in order to fix
DTC warnings
- Florian fixes the amount of RAM on the BCM958625HR reference board to
properly limit to what is initialized by the bootloader
* tag 'arm-soc/for-4.16/devicetree-fixes' of https://github.com/Broadcom/stblinux:
ARM: dts: bcm283x: Move arm-pmu out of soc node
ARM: dts: bcm283x: Fix unit address of local_intc
ARM: dts: NSP: Fix amount of RAM on BCM958625HR
ARM: BCM: dts: Remove leading 0x and 0s from bindings notation
Changes old git repository to the maintained one and adds more patterns.
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Acked-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix i.MX GPC driver to remove power domains only when they are
initialized in imx_gpc_probe().
- Fix the broken Engicam i.CoreM6 DualLite/Solo RQS board DT to include
imx6dl.dtsi instead of imx6q.dtsi.
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Merge tag 'imx-fixes-4.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Pull "i.MX fixes for 4.16" from Shawn Guo:
- Fix i.MX GPC driver to remove power domains only when they are
initialized in imx_gpc_probe().
- Fix the broken Engicam i.CoreM6 DualLite/Solo RQS board DT to include
imx6dl.dtsi instead of imx6q.dtsi.
* tag 'imx-fixes-4.16' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx6dl: Include correct dtsi file for Engicam i.CoreM6 DualLite/Solo RQS
soc: imx: gpc: de-register power domains only if initialized
Pull kselftest fixes from Shuah Khan:
"Fixes for various problems in test output, compile errors, and missing
configs"
* tag 'linux-kselftest-4.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: vm: update .gitignore with new test
selftests: memory-hotplug: silence test command echo
selftests/futex: Fix line continuation in Makefile
selftests: memfd: add config fragment for fuse
selftests: pstore: Adding config fragment CONFIG_PSTORE_RAM=m
selftests/android: Fix line continuation in Makefile
selftest/vDSO: fix O=
selftests: sync: missing CFLAGS while compiling
- Fix some compiler warnings
- Fix block rservations for transactions created during log recovery
- Fix resource leaks when respecifying mount options
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Merge tag 'xfs-4.16-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
- fix some compiler warnings
- fix block reservations for transactions created during log recovery
- fix resource leaks when respecifying mount options
* tag 'xfs-4.16-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix potential memory leak in mount option parsing
xfs: reserve blocks for refcount / rmap log item recovery
xfs: use memset to initialize xfs_scrub_agfl_info
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Merge tag 'dma-mapping-4.16-3' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fix from Christoph Hellwig:
"A single fix for a memory leak regression in the dma-debug code"
* tag 'dma-mapping-4.16-3' of git://git.infradead.org/users/hch/dma-mapping:
dma-debug: fix memory leak in debug_dma_alloc_coherent
- Update i.MX thermal binding example to use current binding, not the
deprecated one
- Move arm-charlcd to auxdisplay/
- Fix misspelling of "debounce-interval"
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Merge tag 'devicetree-fixes-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring:
- update i.MX thermal binding example to use current binding, not the
deprecated one
- move arm-charlcd to auxdisplay/
- fix misspelling of "debounce-interval"
* tag 'devicetree-fixes-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: power: Fix "debounce-interval" property misspelling
auxdisplay: Move arm-charlcd binding to correct folder
dt-bindings: thermal: imx: update the binding to new method
The ARM PMU doesn't have a reg address, so fix the following DTC warning
(requires W=1):
Node /soc/arm-pmu missing or empty reg/ranges property
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
This patch fixes the following DTC warning (requires W=1):
Node /soc/local_intc simple-bus unit address format error, expected "40000000"
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Jon attempted to fix the amount of RAM on the BCM958625HR in commit
c53beb47f6 ("ARM: dts: NSP: Correct RAM amount for BCM958625HR board")
but it seems like we tripped over some poorly documented schematics.
The top-level page of the schematics says the board has 2GB, but when
you end-up scrolling to page 6, you see two chips of 4GBit (512MB) but
what the bootloader really initializes only 512MB, any attempt to use
more than that results in data aborts. Fix this again back to 512MB.
Fixes: c53beb47f6 ("ARM: dts: NSP: Correct RAM amount for BCM958625HR board")
Acked-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Pull seccomp fix from James Morris:
"This disables the seccomp samples when cross compiling.
We've seen too many build issues here, so it's best to just disable
it, especially since they're just the samples"
* 'fixes-v4.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
samples/seccomp: do not compile when cross compiled
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Merge tag 'seccomp-v4.16-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux into fixes-v4.16-rc4
- do not build samples when cross compiling (Michal Hocko)
From Kees: "This disables the seccomp samples when cross compiling. We're seen too many build issues here, so
it's best to just disable it, especially since they're just the samples."
Pull tpm fixes from James Morris:
"Bugfixes for TPM, from Jeremy Boone, via Jarkko Sakkinen"
* 'fixes-v4.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
tpm: fix potential buffer overruns caused by bit glitches on the bus
tpm: st33zp24: fix potential buffer overruns caused by bit glitches on the bus
tpm_i2c_infineon: fix potential buffer overruns caused by bit glitches on the bus
tpm_i2c_nuvoton: fix potential buffer overruns caused by bit glitches on the bus
tpm_tis: fix potential buffer overruns caused by bit glitches on the bus
of_get_named_gpiod_flags() used directly in of_find_gpio() or indirectly
through of_find_spi_gpio() or of_find_regulator_gpio() can return
-EPROBE_DEFER. This gets overwritten by the subsequent of_find_*_gpio()
calls.
This patch fixes this by trying of_find_spi_gpio() or
of_find_regulator_gpio() only if deferred probing was not requested by
the previous of_get_named_gpiod_flags() call.
Fixes: 6a537d4846 ("gpio: of: Support regulator nonstandard GPIO properties")
Fixes: c858233902 ("gpio: of: Support SPI nonstandard GPIO properties")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
[Augmented to fit with Maxime's patch]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Commits c858233902 ("gpio: of: Support SPI nonstandard GPIO properties")
and 6a537d4846 ("gpio: of: Support regulator nonstandard GPIO
properties") have introduced a regression in the way error codes from
of_get_named_gpiod_flags are handled.
Previously, those errors codes were returned immediately, but the two
commits mentioned above are now overwriting the error pointer, meaning that
whatever value has been returned will be dropped in favor of whatever the
two new functions will return.
This might not be a big deal except for EPROBE_DEFER, on which GPIOlib
customers will depend on, and that will now be returned as an hard error
which means that they will not probe anymore, instead of gently deferring
their probe.
Since EPROBE_DEFER basically means that we have found a valid property but
there was no GPIO controller registered to handle it, fix this issues by
returning it as soon as we encounter it.
Fixes: c858233902 ("gpio: of: Support SPI nonstandard GPIO properties")
Fixes: 6a537d4846 ("gpio: of: Support regulator nonstandard GPIO properties")
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
[Fold in fix to the fix]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Discrete TPMs are often connected over slow serial buses which, on
some platforms, can have glitches causing bit flips. If a bit does
flip it could cause an overrun if it's in one of the size parameters,
so sanity check that we're not overrunning the provided buffer when
doing a memcpy().
Signed-off-by: Jeremy Boone <jeremy.boone@nccgroup.trust>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
Discrete TPMs are often connected over slow serial buses which, on
some platforms, can have glitches causing bit flips. In all the
driver _recv() functions, we need to use a u32 to unmarshal the
response size, otherwise a bit flip of the 31st bit would cause the
expected variable to go negative, which would then try to read a huge
amount of data. Also sanity check that the expected amount of data is
large enough for the TPM header.
Signed-off-by: Jeremy Boone <jeremy.boone@nccgroup.trust>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
Discrete TPMs are often connected over slow serial buses which, on
some platforms, can have glitches causing bit flips. In all the
driver _recv() functions, we need to use a u32 to unmarshal the
response size, otherwise a bit flip of the 31st bit would cause the
expected variable to go negative, which would then try to read a huge
amount of data. Also sanity check that the expected amount of data is
large enough for the TPM header.
Signed-off-by: Jeremy Boone <jeremy.boone@nccgroup.trust>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
Discrete TPMs are often connected over slow serial buses which, on
some platforms, can have glitches causing bit flips. In all the
driver _recv() functions, we need to use a u32 to unmarshal the
response size, otherwise a bit flip of the 31st bit would cause the
expected variable to go negative, which would then try to read a huge
amount of data. Also sanity check that the expected amount of data is
large enough for the TPM header.
Signed-off-by: Jeremy Boone <jeremy.boone@nccgroup.trust>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
Discrete TPMs are often connected over slow serial buses which, on
some platforms, can have glitches causing bit flips. In all the
driver _recv() functions, we need to use a u32 to unmarshal the
response size, otherwise a bit flip of the 31st bit would cause the
expected variable to go negative, which would then try to read a huge
amount of data. Also sanity check that the expected amount of data is
large enough for the TPM header.
Signed-off-by: Jeremy Boone <jeremy.boone@nccgroup.trust>
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
The Makefile lacks a couple of line continuation backslashes
in an `if' clause, which produces an error when make versions
prior to 4.x are used for building the tests.
$ make
make[1]: Entering directory `/[...]/linux/tools/testing/selftests/futex'
/bin/sh: -c: line 5: syntax error: unexpected end of file
make[1]: *** [all] Error 1
make[1]: Leaving directory `/[...]/linux/tools/testing/selftests/futex'
make: *** [all] Error 2
Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Pull idr fixes from Matthew Wilcox:
"One test-suite build fix for you and one run-time regression fix.
The regression fix includes new tests to make sure they don't pop back
up."
* 'idr-2018-02-06' of git://git.infradead.org/users/willy/linux-dax:
idr: Fix handling of IDs above INT_MAX
radix tree test suite: Fix build
This stops the driver from trying to probe the ATA slave
interface. The vendor code enables the slave interface
but the driver in the vendor tree does not make use of
it.
Setting it to muxmode 0 disables the slave interface:
the hardware only has the master interface connected
to the one harddrive slot anyways.
Without this change booting takes excessive time, so it
is very annoying to end users.
Fixes: dd5c0561db ("ARM: dts: Add basic devicetree for D-Link DNS-313")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The CONFIG_LIRC symbol has changed from 'tristate' to 'bool, so we now
get a warning for omap2plus_defconfig:
arch/arm/configs/omap2plus_defconfig:322:warning: symbol value 'm' invalid for LIRC
This changes the file to mark the symbol as built-in to get rid of the
warning.
Fixes: a60d64b15c ("media: lirc: lirc interface should not be a raw decoder")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Khalid reported that the kernel selftests are currently failing:
selftests: test_bpf.sh
========================================
test_bpf: [FAIL]
not ok 1..8 selftests: test_bpf.sh [FAIL]
He bisected it to 6ce711f275 ("idr: Make
1-based IDRs more efficient").
The root cause is doing a signed comparison in idr_alloc_u32() instead
of an unsigned comparison. I went looking for any similar problems and
found a couple (which would each result in the failure to warn in two
situations that aren't supposed to happen).
I knocked up a few test-cases to prove that I was right and added them
to the test-suite.
Reported-by: Khalid Aziz <khalid.aziz@oracle.com>
Tested-by: Khalid Aziz <khalid.aziz@oracle.com>
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
When specifying string type mount option (e.g., logdev)
several times in a mount, current option parsing may
cause memory leak. Hence, call kfree for previous one
in this case.
Signed-off-by: Chengguang Xu <cgxu519@icloud.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Pull x86 fixes from Thomas Gleixner:
"Yet another pile of melted spectrum related changes:
- sanitize the array_index_nospec protection mechanism: Remove the
overengineered array_index_nospec_mask_check() magic and allow
const-qualified types as index to avoid temporary storage in a
non-const local variable.
- make the microcode loader more robust by properly propagating error
codes. Provide information about new feature bits after micro code
was updated so administrators can act upon.
- optimizations of the entry ASM code which reduce code footprint and
make the code simpler and faster.
- fix the {pmd,pud}_{set,clear}_flags() implementations to work
properly on paravirt kernels by removing the address translation
operations.
- revert the harmful vmexit_fill_RSB() optimization
- use IBRS around firmware calls
- teach objtool about retpolines and add annotations for indirect
jumps and calls.
- explicitly disable jumplabel patching in __init code and handle
patching failures properly instead of silently ignoring them.
- remove indirect paravirt calls for writing the speculation control
MSR as these calls are obviously proving the same attack vector
which is tried to be mitigated.
- a few small fixes which address build issues with recent compiler
and assembler versions"
* 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (38 commits)
KVM/VMX: Optimize vmx_vcpu_run() and svm_vcpu_run() by marking the RDMSR path as unlikely()
KVM/x86: Remove indirect MSR op calls from SPEC_CTRL
objtool, retpolines: Integrate objtool with retpoline support more closely
x86/entry/64: Simplify ENCODE_FRAME_POINTER
extable: Make init_kernel_text() global
jump_label: Warn on failed jump_label patching attempt
jump_label: Explicitly disable jump labels in __init code
x86/entry/64: Open-code switch_to_thread_stack()
x86/entry/64: Move ASM_CLAC to interrupt_entry()
x86/entry/64: Remove 'interrupt' macro
x86/entry/64: Move the switch_to_thread_stack() call to interrupt_entry()
x86/entry/64: Move ENTER_IRQ_STACK from interrupt macro to interrupt_entry
x86/entry/64: Move PUSH_AND_CLEAR_REGS from interrupt macro to helper function
x86/speculation: Move firmware_restrict_branch_speculation_*() from C to CPP
objtool: Add module specific retpoline rules
objtool: Add retpoline validation
objtool: Use existing global variables for options
x86/mm/sme, objtool: Annotate indirect call in sme_encrypt_execute()
x86/boot, objtool: Annotate indirect jump in secondary_startup_64()
x86/paravirt, objtool: Annotate indirect calls
...
- optimization for the exitless interrupt support that was merged in 4.16-rc1
- improve the branch prediction blocking for nested KVM
- replace some jump tables with switch statements to improve expoline performance
- fixes for multiple epoch facility
ARM:
- fix the interaction of userspace irqchip VMs with in-kernel irqchip VMs
- make sure we can build 32-bit KVM/ARM with gcc-8.
x86:
- fixes for AMD SEV
- fixes for Intel nested VMX, emulated UMIP and a dump_stack() on VM startup
- fixes for async page fault migration
- small optimization to PV TLB flush (new in 4.16-rc1)
- syzkaller fixes
Generic:
- compiler warning fixes
- syzkaller fixes
- more improvements to the kvm_stat tool
Two more small Spectre fixes are going to reach you via Ingo.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"s390:
- optimization for the exitless interrupt support that was merged in 4.16-rc1
- improve the branch prediction blocking for nested KVM
- replace some jump tables with switch statements to improve expoline performance
- fixes for multiple epoch facility
ARM:
- fix the interaction of userspace irqchip VMs with in-kernel irqchip VMs
- make sure we can build 32-bit KVM/ARM with gcc-8.
x86:
- fixes for AMD SEV
- fixes for Intel nested VMX, emulated UMIP and a dump_stack() on VM startup
- fixes for async page fault migration
- small optimization to PV TLB flush (new in 4.16-rc1)
- syzkaller fixes
Generic:
- compiler warning fixes
- syzkaller fixes
- more improvements to the kvm_stat tool
Two more small Spectre fixes are going to reach you via Ingo"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (40 commits)
KVM: SVM: Fix SEV LAUNCH_SECRET command
KVM: SVM: install RSM intercept
KVM: SVM: no need to call access_ok() in LAUNCH_MEASURE command
include: psp-sev: Capitalize invalid length enum
crypto: ccp: Fix sparse, use plain integer as NULL pointer
KVM: X86: Avoid traversing all the cpus for pv tlb flush when steal time is disabled
x86/kvm: Make parse_no_xxx __init for kvm
KVM: x86: fix backward migration with async_PF
kvm: fix warning for non-x86 builds
kvm: fix warning for CONFIG_HAVE_KVM_EVENTFD builds
tools/kvm_stat: print 'Total' line for multiple events only
tools/kvm_stat: group child events indented after parent
tools/kvm_stat: separate drilldown and fields filtering
tools/kvm_stat: eliminate extra guest/pid selection dialog
tools/kvm_stat: mark private methods as such
tools/kvm_stat: fix debugfs handling
tools/kvm_stat: print error on invalid regex
tools/kvm_stat: fix crash when filtering out all non-child trace events
tools/kvm_stat: avoid 'is' for equality checks
tools/kvm_stat: use a more pythonic way to iterate over dictionaries
...
Introduce __smp_{mb,rmb,wmb}, and rely on the generic definitions
for smp_{mb,rmb,wmb}. A first consequence is that smp_{mb,rmb,wmb}
map to a compiler barrier on !SMP (while their definition remains
unchanged on SMP). As a further consequence, smp_load_acquire and
smp_store_release have "fence rw,rw" instead of "fence iorw,iorw".
Signed-off-by: Andrea Parri <parri.andrea@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
- fix memory accounting when reserved memory is in high memory region;
- fix DMA allocation from high memory.
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Merge tag 'xtensa-20180225' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa fixes from Max Filippov:
"Two fixes for reserved memory/DMA buffers allocation in high memory on
xtensa architecture
- fix memory accounting when reserved memory is in high memory region
- fix DMA allocation from high memory"
* tag 'xtensa-20180225' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: support DMA buffers in high memory
xtensa: fix high memory/reserved memory collision
Pull x86 fixes from Thomas Gleixner:
"A small set of fixes:
- UAPI data type correction for hyperv
- correct the cpu cores field in /proc/cpuinfo on CPU hotplug
- return proper error code in the resctrl file system failure path to
avoid silent subsequent failures
- correct a subtle accounting issue in the new vector allocation code
which went unnoticed for a while and caused suspend/resume
failures"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/topology: Update the 'cpu cores' field in /proc/cpuinfo correctly across CPU hotplug operations
x86/topology: Fix function name in documentation
x86/intel_rdt: Fix incorrect returned value when creating rdgroup sub-directory in resctrl file system
x86/apic/vector: Handle vector release on CPU unplug correctly
genirq/matrix: Handle CPU offlining proper
x86/headers/UAPI: Use __u64 instead of u64 in <uapi/asm/hyperv.h>
Pull perf fix from Thomas Gleixner:
"A single commit which shuts up a bogus GCC-8 warning"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/oprofile: Fix bogus GCC-8 warning in nmi_setup()
Pull locking fixes from Thomas Gleixner:
"Three patches to fix memory ordering issues on ALPHA and a comment to
clarify the usage scope of a mutex internal function"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/xchg/alpha: Fix xchg() and cmpxchg() memory ordering bugs
locking/xchg/alpha: Clean up barrier usage by using smp_mb() in place of __ASM__MB
locking/xchg/alpha: Add unconditional memory barrier to cmpxchg()
locking/mutex: Add comment to __mutex_owner() to deter usage
Pull cleanup patchlet from Thomas Gleixner:
"A single commit removing a bunch of bogus double semicolons all over
the tree"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
treewide/trivial: Remove ';;$' typo noise
Hightlights include:
- Fix a broken cast in nfs4_callback_recallany()
- Fix an Oops during NFSv4 migration events
- make struct nlmclnt_fl_close_lock_ops static
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Merge tag 'nfs-for-4.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
- fix a broken cast in nfs4_callback_recallany()
- fix an Oops during NFSv4 migration events
- make struct nlmclnt_fl_close_lock_ops static
* tag 'nfs-for-4.16-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: make struct nlmclnt_fl_close_lock_ops static
nfs: system crashes after NFS4ERR_MOVED recovery
NFSv4: Fix broken cast in nfs4_callback_recallany()
- Add an empty linux/compiler_types.h (now being included by kconfig.h)
- Add __GFP_ZERO
- Add kzalloc
- Test __GFP_DIRECT_RECLAIM instead of __GFP_NOWARN
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Add handling for a missing instruction in our 32-bit BPF JIT so that it can be
used for seccomp filtering.
Add a missing NULL pointer check before a function call in new EEH code.
Fix an error path in the new ocxl driver to correctly return EFAULT.
The support for the new ibm,drc-info device tree property turns out to need
several fixes, so for now we just stop advertising to firmware that we support
it until the bugs can be ironed out.
One fix for the new drmem code which was incorrectly modifying the device tree
in place.
Finally two fixes for the RFI flush support, so that firmware can advertise to
us that it should be disabled entirely so as not to affect performance.
Thanks to:
Bharata B Rao, Frederic Barrat, Juan J. Alvarez, Mark Lord, Michael Bringmann.
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Merge tag 'powerpc-4.16-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Add handling for a missing instruction in our 32-bit BPF JIT so that
it can be used for seccomp filtering.
- Add a missing NULL pointer check before a function call in new EEH
code.
- Fix an error path in the new ocxl driver to correctly return EFAULT.
- The support for the new ibm,drc-info device tree property turns out
to need several fixes, so for now we just stop advertising to
firmware that we support it until the bugs can be ironed out.
- One fix for the new drmem code which was incorrectly modifying the
device tree in place.
- Finally two fixes for the RFI flush support, so that firmware can
advertise to us that it should be disabled entirely so as not to
affect performance.
Thanks to: Bharata B Rao, Frederic Barrat, Juan J. Alvarez, Mark Lord,
Michael Bringmann.
* tag 'powerpc-4.16-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powernv: Support firmware disable of RFI flush
powerpc/pseries: Support firmware disable of RFI flush
powerpc/mm/drmem: Fix unexpected flag value in ibm,dynamic-memory-v2
powerpc/bpf/jit: Fix 32-bit JIT for seccomp_data access
powerpc/pseries: Revert support for ibm,drc-info devtree property
powerpc/pseries: Fix duplicate firmware feature for DRC_INFO
ocxl: Fix potential bad errno on irq allocation
powerpc/eeh: Fix crashes in eeh_report_resume()
This patch fixes the wrongly included dtsi file which
was breaking mainline support for Engicam i.CoreM6 DualLite/Solo RQS.
As per the board name, the correct file should be imx6dl.dtsi instead
of imx6q.dtsi
Reported-by: Michael Trimarchi <michael@amarulasolutions.com>
Suggested-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shyam Saini <shyam@amarulasolutions.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Fixes: 7a9caba55a ("ARM: dts: imx6dl: Add Engicam i.CoreM6 DualLite/Solo RQS initial support")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The SEV LAUNCH_SECRET command fails with error code 'invalid param'
because we missed filling the guest and header system physical address
while issuing the command.
Fixes: 9f5b5b950a (KVM: SVM: Add support for SEV LAUNCH_SECRET command)
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-kernel@vger.kernel.org
Cc: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
RSM instruction is used by the SMM handler to return from SMM mode.
Currently, rsm causes a #UD - which results in instruction fetch, decode,
and emulate. By installing the RSM intercept we can avoid the instruction
fetch since we know that #VMEXIT was due to rsm.
The patch is required for the SEV guest, because in case of SEV guest
memory is encrypted with guest-specific key and hypervisor will not
able to fetch the instruction bytes from the guest memory.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Using the access_ok() to validate the input before issuing the SEV
command does not buy us anything in this case. If userland is
giving us a garbage pointer then copy_to_user() will catch it when we try
to return the measurement.
Suggested-by: Al Viro <viro@ZenIV.linux.org.uk>
Fixes: 0d0736f763 (KVM: SVM: Add support for KVM_SEV_LAUNCH_MEASURE ...)
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-kernel@vger.kernel.org
Cc: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Linus Torvalds