A smaller batch for the end of the week (let's see if I can keep the
weekly cadence going for once).
All medium-grade fixes here, nothing worrisome:
- Fixes for some fairly old bugs around SD card write-protect detection
and GPIO interrupt assignments on Davinci.
- Wifi module suspend fix for Hikey.
- Minor DT tweaks to fix inaccuracies for Amlogic platforms, on of
which solves booting with third-party u-boot.
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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 Olof Johansson:
"A smaller batch for the end of the week (let's see if I can keep the
weekly cadence going for once).
All medium-grade fixes here, nothing worrisome:
- Fixes for some fairly old bugs around SD card write-protect
detection and GPIO interrupt assignments on Davinci.
- Wifi module suspend fix for Hikey.
- Minor DT tweaks to fix inaccuracies for Amlogic platforms, one
of which solves booting with third-party u-boot"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: dts: hikey960: Define wl1837 power capabilities
arm64: dts: hikey: Define wl1835 power capabilities
ARM64: dts: meson-gxl: fix Mali GPU compatible string
ARM64: dts: meson-axg: fix ethernet stability issue
ARM64: dts: meson-gx: fix ATF reserved memory region
ARM64: dts: meson-gxl-s905x-p212: Add phy-supply for usb0
ARM64: dts: meson: fix register ranges for SD/eMMC
ARM64: dts: meson: disable sd-uhs modes on the libretech-cc
ARM: dts: da850: Fix interrups property for gpio
ARM: davinci: board-da850-evm: fix WP pin polarity for MMC/SD
- Added power capabilities for the mmc host controller on the
hikey and hikey960 boards to avoid broken wifi.
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Merge tag 'hisi-fixes-for-4.18' of git://github.com/hisilicon/linux-hisi into fixes
ARM64: hisi fixes for 4.18
- Added power capabilities for the mmc host controller on the
hikey and hikey960 boards to avoid broken wifi.
* tag 'hisi-fixes-for-4.18' of git://github.com/hisilicon/linux-hisi:
arm64: dts: hikey960: Define wl1837 power capabilities
arm64: dts: hikey: Define wl1835 power capabilities
Signed-off-by: Olof Johansson <olof@lixom.net>
These properties are required for compatibility with runtime PM.
Without these properties, MMC host controller will not be aware
of power capabilities. When the wlcore driver attempts to power
on the device, it will erroneously fail with -EACCES. This fixes
a regression found here: https://lkml.org/lkml/2018/6/12/930
Fixes: 60f36637bb ("wlcore: sdio: allow pm to handle sdio power")
Signed-off-by: Ryan Grachek <ryan@edited.us>
Tested-by: John Stultz <john.stultz@linaro.org>
Acked-by: John Stultz <john.stultz@linaro.org>
Tested-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
These properties are required for compatibility with runtime PM.
Without these properties, MMC host controller will not be aware
of power capabilities. When the wlcore driver attempts to power
on the device, it will erroneously fail with -EACCES.
Fixes: 60f36637bb ("wlcore: sdio: allow pm to handle sdio power")
Signed-off-by: Ryan Grachek <ryan@edited.us>
Tested-by: John Stultz <john.stultz@linaro.org>
Acked-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
meson-gxl-mali.dtsi is only used on GXL SoCs. Thus it should use the GXL
specific compatible string instead of the GXBB one.
For now this is purely cosmetic since the (out-of-tree) lima driver for
this GPU currently uses the "arm,mali-450" match instead of the SoC
specific one. However, update the .dts to match the documentation since
this driver behavior might change in the future.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Like the odroid-c2 and wetek, the s400 uses the RTL8211F and seems to
suffer from the kind of stability issue.
Doing an iperf3 download test, we can see a significant number of LPI
interrupts on the tx path. After a short while (5 to 15 seconds), the
network connection dies. If using rootfs over NFS, the connection may
also break during the boot sequence.
We still don't have a real explanation for this problem so let's disable
EEE once again.
Fixes: f6f6ac914b ("ARM64: dts: meson-axg: enable ethernet for A113D S400 board")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Vendor firmware/uboot has different reserved regions depending on
firmware version, but current codebase reserves the same regions on
GXL and GXBB, so move the additional reserved memory region to common
.dtsi.
Found when putting a recent vendor u-boot on meson-gxbb-p200.
Suggested-by: Neil Armstrong <narmstrong@baylibre.com>
Cc: stable@vger.kernel.org
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Like LibreTech-CC, the USB0 needs the 5V regulator to be enabled to power the
devices on the P212 Reference Design based boards.
Fixes: b9f07cb4f4 ("ARM64: dts: meson-gxl-s905x-p212: enable the USB controller")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Based on updated information from Amlogic, correct the register range
for the SD/eMMC blocks to the right size.
Reported-by: Yixun Lan <yixun.lan@amlogic.com>
Tested-by: Yixun Lan <yixun.lan@amlogic.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
There is a problem with the sd-uhs mode when doing a soft reboot.
Switching back from 1.8v to 3.3v messes with the card, which no longer
respond (timeout errors). According to the specification, we should
perform a card reset (power cycling the card) but this is something we
cannot control on this design.
Then the only solution to restore the communication with the card is an
"unplug-plug" which is not acceptable
Until we find a solution, if any, disable the sd-uhs modes on this design.
For the people using uhs at the moment, there will a performance drop as
a result.
Fixes: 3cde63ebc8 ("ARM64: dts: meson-gxl: libretech-cc: enable high speed modes")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Cc: stable@vger.kernel.org
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Commit 7f0b1bf045 ("arm64: Fix barriers used for page table modifications")
fixed a reported issue with fixmap page-table entries not being visible
to the walker due to a missing DSB instruction. At the same time, it added
ISB instructions to the arm64 set_{pte,pmd,pud} functions, which are not
required by the architecture and make little sense in isolation.
Remove the redundant ISBs.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The implementation of flush_icache_range() includes instruction sequences
which are themselves patched at runtime, so it is not safe to call from
the patching framework.
This patch reworks the alternatives cache-flushing code so that it rolls
its own internal D-cache maintenance using DC CIVAC before invalidating
the entire I-cache after all alternatives have been applied at boot.
Modules don't cause any issues, since flush_icache_range() is safe to
call by the time they are loaded.
Acked-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Rohit Khanna <rokhanna@nvidia.com>
Cc: Alexander Van Brunt <avanbrunt@nvidia.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
A handful of fixes, nothing really concerning and most touching devicetree
files for various platforms.
I also regenerated the shared multiplatform defconfigs; they have drifted
quite a bit due to Kconfig changes and reordering, and several platform
maintainers tried doing the same which resulted in a lot of conflict pain
-- this way we get everybody onto the same base for next merge window.
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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 Olof Johansson:
"A handful of fixes, nothing really concerning and most touching
devicetree files for various platforms.
I also regenerated the shared multiplatform defconfigs; they have
drifted quite a bit due to Kconfig changes and reordering, and several
platform maintainers tried doing the same which resulted in a lot of
conflict pain -- this way we get everybody onto the same base for next
merge window"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
arm64: dts: uniphier: fix widget name of headphone for LD11/LD20 boards
ARM: dts: Fix SPI node for Arria10
arm64: dts: stratix10: Fix SPI nodes for Stratix10
qcom: cmd-db: enforce CONFIG_OF_RESERVED_MEM dependency
ARM: Always build secure_cntvoff.S on ARM V7 to fix shmobile !SMP build
ARM: multi_v7_defconfig: renormalize based on recent additions
arm64: defconfig: renormalize based on recent additions
arm64: dts: msm8916: fix Coresight ETF graph connections
arm64: dts: apq8096-db820c: disable uart0 by default
ARM: dts: imx6sx: fix irq for pcie bridge
arm64: dts: Stingray: Fix I2C controller interrupt type
arm64: dts: ns2: Fix PCIe controller interrupt type
arm64: dts: ns2: Fix I2C controller interrupt type
arm64: dts: specify 1.8V EMMC capabilities for bcm958742t
arm64: dts: specify 1.8V EMMC capabilities for bcm958742k
ARM: dts: Cygnus: Fix PCIe controller interrupt type
ARM: dts: Cygnus: Fix I2C controller interrupt type
ARM: dts: BCM5301x: Fix i2c controller interrupt type
ARM: dts: HR2: Fix interrupt types for i2c and PCIe
ARM: dts: NSP: Fix PCIe controllers interrupt types
...
This patch fixes wrong name of headphone widget for receiving events
of insert/remove headphone plug from simple-card or audio-graph-card.
If we use wrong widget name then we get warning messages such as
"asoc-audio-graph-card sound: ASoC: DAPM unknown pin Headphones"
when the plug is inserted or removed from headphone jack.
Fixes: fb21a0acaa ("arm64: dts: uniphier: add sound node")
Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Pull crypto fixes from Herbert Xu:
- Fix use after free in chtls
- Fix RBP breakage in sha3
- Fix use after free in hwrng_unregister
- Fix overread in morus640
- Move sleep out of kernel_neon in arm64/aes-blk
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
hwrng: core - Always drop the RNG in hwrng_unregister()
crypto: morus640 - Fix out-of-bounds access
crypto: don't optimize keccakf()
crypto: arm64/aes-blk - fix and move skcipher_walk_done out of kernel_neon_begin, _end
crypto: chtls - use after free in chtls_pt_recvmsg()
The defconfig has drifted over time, as Kconfig entries have changed order
or default values. Several maintainers ended up running 'savedefconfig'
themselves which caused a cascade of conflicts. Let's do it once and
for all in our tree before -rc2 instead.
Signed-off-by: Olof Johansson <olof@lixom.net>
for 4.18, please pull the following:
- Scott fixes both the bcm958742k and bcm958742t reference boards to
have the correct eMMC voltage specified
- Ray fixes the I2C and PCIe Device Tree nodes interrupt specifiers for
Northstar 2 and Stingray SoCs.
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Merge tag 'arm-soc/for-4.18/devicetree-arm64-fixes' of https://github.com/Broadcom/stblinux into fixes
This pull request contains Broadcom ARM64-based SoCs Device Tree fixes
for 4.18, please pull the following:
- Scott fixes both the bcm958742k and bcm958742t reference boards to
have the correct eMMC voltage specified
- Ray fixes the I2C and PCIe Device Tree nodes interrupt specifiers for
Northstar 2 and Stingray SoCs.
* tag 'arm-soc/for-4.18/devicetree-arm64-fixes' of https://github.com/Broadcom/stblinux:
arm64: dts: Stingray: Fix I2C controller interrupt type
arm64: dts: ns2: Fix PCIe controller interrupt type
arm64: dts: ns2: Fix I2C controller interrupt type
arm64: dts: specify 1.8V EMMC capabilities for bcm958742t
arm64: dts: specify 1.8V EMMC capabilities for bcm958742k
Signed-off-by: Olof Johansson <olof@lixom.net>
- Use correct size for ICU nodes (irq controller) on Armada 7K/8K
- Fix "#cooling-cells" property's name on Synology DS116 (Armada 385)
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Merge tag 'mvebu-fixes-4.17-2' of git://git.infradead.org/linux-mvebu into fixes
mvebu fixes for 4.17 (part 2)
- Use correct size for ICU nodes (irq controller) on Armada 7K/8K
- Fix "#cooling-cells" property's name on Synology DS116 (Armada 385)
* tag 'mvebu-fixes-4.17-2' of git://git.infradead.org/linux-mvebu:
arm: dts: armada: Fix "#cooling-cells" property's name
arm64: dts: marvell: fix CP110 ICU node size
Signed-off-by: Olof Johansson <olof@lixom.net>
- Zero buffers allocated with FORCE_CONTIGUOUS explicitly until the CMA
code honours __GFP_ZERO
- notrace annotation for secondary_start_kernel()
- Use early_param() instead of __setup() for "kpti=" as it is needed for
the cpufeature callback remapping swapper to non-global mappings
- Ensure writes to swapper are ordered wrt subsequent cache maintenance
in the kpti non-global remapping code
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- clear buffers allocated with FORCE_CONTIGUOUS explicitly until the
CMA code honours __GFP_ZERO
- notrace annotation for secondary_start_kernel()
- use early_param() instead of __setup() for "kpti=" as it is needed
for the cpufeature callback remapping swapper to non-global mappings
- ensure writes to swapper are ordered wrt subsequent cache maintenance
in the kpti non-global remapping code
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: Ensure writes to swapper are ordered wrt subsequent cache maintenance
arm64: kpti: Use early_param for kpti= command-line option
arm64: make secondary_start_kernel() notrace
arm64: dma-mapping: clear buffers allocated with FORCE_CONTIGUOUS flag
The ETF input should be connected to the funnel output, and the ETF
output should be connected to the replicator input. The labels are wrong
and these got swapped:
Warning (graph_endpoint): /soc/funnel@821000/ports/port@8/endpoint: graph connection to node '/soc/etf@825000/ports/port@1/endpoint' is not bidirectional
Warning (graph_endpoint): /soc/replicator@824000/ports/port@2/endpoint: graph connection to node '/soc/etf@825000/ports/port@0/endpoint' is not bidirectional
Fixes: 7c10da3736 ("arm64: dts: qcom: Add msm8916 CoreSight components")
Cc: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Andy Gross <andy.gross@linaro.org>
Cc: David Brown <david.brown@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Tested-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Access to UART0 is disabled by bootloaders. By leaving it enabled by
default would reboot the board.
Disable this for now, this would alteast give a board which boots.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
When rewriting swapper using nG mappings, we must performance cache
maintenance around each page table access in order to avoid coherency
problems with the host's cacheable alias under KVM. To ensure correct
ordering of the maintenance with respect to Device memory accesses made
with the Stage-1 MMU disabled, DMBs need to be added between the
maintenance and the corresponding memory access.
This patch adds a missing DMB between writing a new page table entry and
performing a clean+invalidate on the same line.
Fixes: f992b4dfd5 ("arm64: kpti: Add ->enable callback to remap swapper using nG mappings")
Cc: <stable@vger.kernel.org> # 4.16.x-
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
We inspect __kpti_forced early on as part of the cpufeature enable
callback which remaps the swapper page table using non-global entries.
Ensure that __kpti_forced has been updated to reflect the kpti=
command-line option before we start using it.
Fixes: ea1e3de85e ("arm64: entry: Add fake CPU feature for unmapping the kernel at EL0")
Cc: <stable@vger.kernel.org> # 4.16.x-
Reported-by: Wei Xu <xuwei5@hisilicon.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Wei Xu <xuwei5@hisilicon.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Commit e6b673b ("KVM: arm64: Optimise FPSIMD handling to reduce
guest/host thrashing") uses fpsimd_save() to save the FPSIMD state
for a vcpu when scheduling the vcpu out. However, currently
current's value of TIF_SVE is restored before calling fpsimd_save()
which means that fpsimd_save() may erroneously attempt to save SVE
state from the vcpu. This enables current's vector state to be
polluted with guest data. current->thread.sve_state may be
unallocated or not large enough, so this can also trigger a NULL
dereference or buffer overrun.
Instead of this, TIF_SVE should be configured properly for the
guest when calling fpsimd_save() with the vcpu context loaded.
This patch ensures this by delaying restoration of current's
TIF_SVE until after the call to fpsimd_save().
Fixes: e6b673b741 ("KVM: arm64: Optimise FPSIMD handling to reduce guest/host thrashing")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Commit e6b673b ("KVM: arm64: Optimise FPSIMD handling to reduce
guest/host thrashing") attempts to restore the configuration of
userspace SVE trapping via a call to fpsimd_bind_task_to_cpu(), but
the logic for determining when to do this is not correct.
The patch makes the errnoenous assumption that the only task that
may try to enter userspace with the currently loaded FPSIMD/SVE
register content is current. This may not be the case however: if
some other user task T is scheduled on the CPU during the execution
of the KVM run loop, and the vcpu does not try to use the registers
in the meantime, then T's state may be left there intact. If T
happens to be the next task to enter userspace on this CPU then the
hooks for reloading the register state and configuring traps will
be skipped.
(Also, current never has SVE state at this point anyway and should
always have the trap enabled, as a side-effect of the ioctl()
syscall needed to reach the KVM run loop in the first place.)
This patch instead restores the state of the EL0 trap from the
state observed at the most recent vcpu_load(), ensuring that the
trap is set correctly for the loaded context (if any).
Fixes: e6b673b741 ("KVM: arm64: Optimise FPSIMD handling to reduce guest/host thrashing")
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Commit e6b673b ("KVM: arm64: Optimise FPSIMD handling to reduce
guest/host thrashing") introduces a specific helper
kvm_arch_vcpu_put_fp() for saving the vcpu FPSIMD state during
vcpu_put().
This function uses local_bh_disable()/_enable() to protect the
FPSIMD context manipulation from interruption by softirqs.
This approach is not correct, because vcpu_put() can be invoked
either from the KVM host vcpu thread (when exiting the vcpu run
loop), or via a preempt notifier. In the former case, only
preemption is disabled. In the latter case, the function is called
from inside __schedule(), which means that IRQs are disabled.
Use of local_bh_disable()/_enable() with IRQs disabled is considerd
an error, resulting in lockdep splats while running VMs if lockdep
is enabled.
This patch disables IRQs instead of attempting to disable softirqs,
avoiding the problem of calling local_bh_enable() with IRQs
disabled in the __schedule() path. This creates an additional
interrupt blackout during vcpu run loop exit, but this is the rare
case and the blackout latency is still less than that of
__schedule().
Fixes: e6b673b741 ("KVM: arm64: Optimise FPSIMD handling to reduce guest/host thrashing")
Reported-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Currently we have a couple of helpers to manipulate bits in particular
sysregs:
* config_sctlr_el1(u32 clear, u32 set)
* change_cpacr(u64 val, u64 mask)
The parameters of these differ in naming convention, order, and size,
which is unfortunate. They also differ slightly in behaviour, as
change_cpacr() skips the sysreg write if the bits are unchanged, which
is a useful optimization when sysreg writes are expensive.
Before we gain yet another sysreg manipulation function, let's
unify these with a common helper, providing a consistent order for
clear/set operands, and the write skipping behaviour from
change_cpacr(). Code will be migrated to the new helper in subsequent
patches.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Dave Martin <dave.martin@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
We can't call function trace hook before setup percpu offset.
When entering secondary_start_kernel(), percpu offset has not
been initialized. So this lead hotplug malfunction.
Here is the flow to reproduce this bug:
echo 0 > /sys/devices/system/cpu/cpu1/online
echo function > /sys/kernel/debug/tracing/current_tracer
echo 1 > /sys/kernel/debug/tracing/tracing_on
echo 1 > /sys/devices/system/cpu/cpu1/online
Acked-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Zhizhou Zhang <zhizhouzhang@asrmicro.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
dma_alloc_*() buffers might be exposed to userspace via mmap() call, so
they should be cleared on allocation. In case of IOMMU-based dma-mapping
implementation such buffer clearing was missing in the code path for
DMA_ATTR_FORCE_CONTIGUOUS flag handling, because dma_alloc_from_contiguous()
doesn't honor __GFP_ZERO flag. This patch fixes this issue. For more
information on clearing buffers allocated by dma_alloc_* functions,
see commit 6829e274a6 ("arm64: dma-mapping: always clear allocated
buffers").
Fixes: 44176bb38f ("arm64: Add support for DMA_ATTR_FORCE_CONTIGUOUS to IOMMU")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
As we move stuff around, some doc references are broken. Fix some of
them via this script:
./scripts/documentation-file-ref-check --fix
Manually checked if the produced result is valid, removing a few
false-positives.
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Coly Li <colyli@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Merge more updates from Andrew Morton:
- MM remainders
- various misc things
- kcov updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (27 commits)
lib/test_printf.c: call wait_for_random_bytes() before plain %p tests
hexagon: drop the unused variable zero_page_mask
hexagon: fix printk format warning in setup.c
mm: fix oom_kill event handling
treewide: use PHYS_ADDR_MAX to avoid type casting ULLONG_MAX
mm: use octal not symbolic permissions
ipc: use new return type vm_fault_t
sysvipc/sem: mitigate semnum index against spectre v1
fault-injection: reorder config entries
arm: port KCOV to arm
sched/core / kcov: avoid kcov_area during task switch
kcov: prefault the kcov_area
kcov: ensure irq code sees a valid area
kernel/relay.c: change return type to vm_fault_t
exofs: avoid VLA in structures
coredump: fix spam with zero VMA process
fat: use fat_fs_error() instead of BUG_ON() in __fat_get_block()
proc: skip branch in /proc/*/* lookup
mremap: remove LATENCY_LIMIT from mremap to reduce the number of TLB shootdowns
mm/memblock: add missing include <linux/bootmem.h>
...
With PHYS_ADDR_MAX there is now a type safe variant for all bits set.
Make use of it.
Patch created using a semantic patch as follows:
// <smpl>
@@
typedef phys_addr_t;
@@
-(phys_addr_t)ULLONG_MAX
+PHYS_ADDR_MAX
// </smpl>
Link: http://lkml.kernel.org/r/20180419214204.19322-1-stefan@agner.ch
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
HAVE_CC_STACKPROTECTOR should be selected by architectures with stack
canary implementation. It is not about the compiler support.
For the consistency with commit 050e9baa9d ("Kbuild: rename
CC_STACKPROTECTOR[_STRONG] config variables"), remove 'CC_' from the
config symbol.
I moved the 'select' lines to keep the alphabetical sorting.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The changes to automatically test for working stack protector compiler
support in the Kconfig files removed the special STACKPROTECTOR_AUTO
option that picked the strongest stack protector that the compiler
supported.
That was all a nice cleanup - it makes no sense to have the AUTO case
now that the Kconfig phase can just determine the compiler support
directly.
HOWEVER.
It also meant that doing "make oldconfig" would now _disable_ the strong
stackprotector if you had AUTO enabled, because in a legacy config file,
the sane stack protector configuration would look like
CONFIG_HAVE_CC_STACKPROTECTOR=y
# CONFIG_CC_STACKPROTECTOR_NONE is not set
# CONFIG_CC_STACKPROTECTOR_REGULAR is not set
# CONFIG_CC_STACKPROTECTOR_STRONG is not set
CONFIG_CC_STACKPROTECTOR_AUTO=y
and when you ran this through "make oldconfig" with the Kbuild changes,
it would ask you about the regular CONFIG_CC_STACKPROTECTOR (that had
been renamed from CONFIG_CC_STACKPROTECTOR_REGULAR to just
CONFIG_CC_STACKPROTECTOR), but it would think that the STRONG version
used to be disabled (because it was really enabled by AUTO), and would
disable it in the new config, resulting in:
CONFIG_HAVE_CC_STACKPROTECTOR=y
CONFIG_CC_HAS_STACKPROTECTOR_NONE=y
CONFIG_CC_STACKPROTECTOR=y
# CONFIG_CC_STACKPROTECTOR_STRONG is not set
CONFIG_CC_HAS_SANE_STACKPROTECTOR=y
That's dangerously subtle - people could suddenly find themselves with
the weaker stack protector setup without even realizing.
The solution here is to just rename not just the old RECULAR stack
protector option, but also the strong one. This does that by just
removing the CC_ prefix entirely for the user choices, because it really
is not about the compiler support (the compiler support now instead
automatially impacts _visibility_ of the options to users).
This results in "make oldconfig" actually asking the user for their
choice, so that we don't have any silent subtle security model changes.
The end result would generally look like this:
CONFIG_HAVE_CC_STACKPROTECTOR=y
CONFIG_CC_HAS_STACKPROTECTOR_NONE=y
CONFIG_STACKPROTECTOR=y
CONFIG_STACKPROTECTOR_STRONG=y
CONFIG_CC_HAS_SANE_STACKPROTECTOR=y
where the "CC_" versions really are about internal compiler
infrastructure, not the user selections.
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- fix some bugs introduced by the recent Kconfig syntax extension
- add some symbols about compiler information in Kconfig, such as
CC_IS_GCC, CC_IS_CLANG, GCC_VERSION, etc.
- test compiler capability for the stack protector in Kconfig, and
clean-up Makefile
- test compiler capability for GCC-plugins in Kconfig, and clean-up
Makefile
- allow to enable GCC-plugins for COMPILE_TEST
- test compiler capability for KCOV in Kconfig and correct dependency
- remove auto-detect mode of the GCOV format, which is now more nicely
handled in Kconfig
- test compiler capability for mprofile-kernel on PowerPC, and
clean-up Makefile
- misc cleanups
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Merge tag 'kbuild-v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- fix some bugs introduced by the recent Kconfig syntax extension
- add some symbols about compiler information in Kconfig, such as
CC_IS_GCC, CC_IS_CLANG, GCC_VERSION, etc.
- test compiler capability for the stack protector in Kconfig, and
clean-up Makefile
- test compiler capability for GCC-plugins in Kconfig, and clean-up
Makefile
- allow to enable GCC-plugins for COMPILE_TEST
- test compiler capability for KCOV in Kconfig and correct dependency
- remove auto-detect mode of the GCOV format, which is now more nicely
handled in Kconfig
- test compiler capability for mprofile-kernel on PowerPC, and clean-up
Makefile
- misc cleanups
* tag 'kbuild-v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
linux/linkage.h: replace VMLINUX_SYMBOL_STR() with __stringify()
kconfig: fix localmodconfig
sh: remove no-op macro VMLINUX_SYMBOL()
powerpc/kbuild: move -mprofile-kernel check to Kconfig
Documentation: kconfig: add recommended way to describe compiler support
gcc-plugins: disable GCC_PLUGIN_STRUCTLEAK_BYREF_ALL for COMPILE_TEST
gcc-plugins: allow to enable GCC_PLUGINS for COMPILE_TEST
gcc-plugins: test plugin support in Kconfig and clean up Makefile
gcc-plugins: move GCC version check for PowerPC to Kconfig
kcov: test compiler capability in Kconfig and correct dependency
gcov: remove CONFIG_GCOV_FORMAT_AUTODETECT
arm64: move GCC version check for ARCH_SUPPORTS_INT128 to Kconfig
kconfig: add CC_IS_CLANG and CLANG_VERSION
kconfig: add CC_IS_GCC and GCC_VERSION
stack-protector: test compiler capability in Kconfig and drop AUTO mode
kbuild: fix endless syncconfig in case arch Makefile sets CROSS_COMPILE
- Additional struct_size() conversions (Matthew, Kees)
- Explicitly reported overflow fixes (Silvio, Kees)
- Add missing kvcalloc() function (Kees)
- Treewide conversions of allocators to use either 2-factor argument
variant when available, or array_size() and array3_size() as needed (Kees)
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Merge tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull more overflow updates from Kees Cook:
"The rest of the overflow changes for v4.18-rc1.
This includes the explicit overflow fixes from Silvio, further
struct_size() conversions from Matthew, and a bug fix from Dan.
But the bulk of it is the treewide conversions to use either the
2-factor argument allocators (e.g. kmalloc(a * b, ...) into
kmalloc_array(a, b, ...) or the array_size() macros (e.g. vmalloc(a *
b) into vmalloc(array_size(a, b)).
Coccinelle was fighting me on several fronts, so I've done a bunch of
manual whitespace updates in the patches as well.
Summary:
- Error path bug fix for overflow tests (Dan)
- Additional struct_size() conversions (Matthew, Kees)
- Explicitly reported overflow fixes (Silvio, Kees)
- Add missing kvcalloc() function (Kees)
- Treewide conversions of allocators to use either 2-factor argument
variant when available, or array_size() and array3_size() as needed
(Kees)"
* tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (26 commits)
treewide: Use array_size in f2fs_kvzalloc()
treewide: Use array_size() in f2fs_kzalloc()
treewide: Use array_size() in f2fs_kmalloc()
treewide: Use array_size() in sock_kmalloc()
treewide: Use array_size() in kvzalloc_node()
treewide: Use array_size() in vzalloc_node()
treewide: Use array_size() in vzalloc()
treewide: Use array_size() in vmalloc()
treewide: devm_kzalloc() -> devm_kcalloc()
treewide: devm_kmalloc() -> devm_kmalloc_array()
treewide: kvzalloc() -> kvcalloc()
treewide: kvmalloc() -> kvmalloc_array()
treewide: kzalloc_node() -> kcalloc_node()
treewide: kzalloc() -> kcalloc()
treewide: kmalloc() -> kmalloc_array()
mm: Introduce kvcalloc()
video: uvesafb: Fix integer overflow in allocation
UBIFS: Fix potential integer overflow in allocation
leds: Use struct_size() in allocation
Convert intel uncore to struct_size
...
* ARM: lazy context-switching of FPSIMD registers on arm64, "split"
regions for vGIC redistributor
* s390: cleanups for nested, clock handling, crypto, storage keys and
control register bits
* x86: many bugfixes, implement more Hyper-V super powers,
implement lapic_timer_advance_ns even when the LAPIC timer
is emulated using the processor's VMX preemption timer. Two
security-related bugfixes at the top of the branch.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"Small update for KVM:
ARM:
- lazy context-switching of FPSIMD registers on arm64
- "split" regions for vGIC redistributor
s390:
- cleanups for nested
- clock handling
- crypto
- storage keys
- control register bits
x86:
- many bugfixes
- implement more Hyper-V super powers
- implement lapic_timer_advance_ns even when the LAPIC timer is
emulated using the processor's VMX preemption timer.
- two security-related bugfixes at the top of the branch"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (79 commits)
kvm: fix typo in flag name
kvm: x86: use correct privilege level for sgdt/sidt/fxsave/fxrstor access
KVM: x86: pass kvm_vcpu to kvm_read_guest_virt and kvm_write_guest_virt_system
KVM: x86: introduce linear_{read,write}_system
kvm: nVMX: Enforce cpl=0 for VMX instructions
kvm: nVMX: Add support for "VMWRITE to any supported field"
kvm: nVMX: Restrict VMX capability MSR changes
KVM: VMX: Optimize tscdeadline timer latency
KVM: docs: nVMX: Remove known limitations as they do not exist now
KVM: docs: mmu: KVM support exposing SLAT to guests
kvm: no need to check return value of debugfs_create functions
kvm: Make VM ioctl do valloc for some archs
kvm: Change return type to vm_fault_t
KVM: docs: mmu: Fix link to NPT presentation from KVM Forum 2008
kvm: x86: Amend the KVM_GET_SUPPORTED_CPUID API documentation
KVM: x86: hyperv: declare KVM_CAP_HYPERV_TLBFLUSH capability
KVM: x86: hyperv: simplistic HVCALL_FLUSH_VIRTUAL_ADDRESS_{LIST,SPACE}_EX implementation
KVM: x86: hyperv: simplistic HVCALL_FLUSH_VIRTUAL_ADDRESS_{LIST,SPACE} implementation
KVM: introduce kvm_make_vcpus_request_mask() API
KVM: x86: hyperv: do rep check for each hypercall separately
...
This is a branch with a few merge requests that either came in late, or
took a while longer for us to review and merge than usual and thus cut
it a bit close to the merge window. We stage them in a separate branch
and if things look good, we still send them up -- and that's the case
here.
This is mostly DT additions for Renesas platforms, adding IP block
descriptions for existing and new SoCs.
There are also some driver updates for Qualcomm platforms for SMEM/QMI
and GENI, which is their generalized serial protocol interface.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late updates from Olof Johansson:
"This is a branch with a few merge requests that either came in late,
or took a while longer for us to review and merge than usual and thus
cut it a bit close to the merge window. We stage them in a separate
branch and if things look good, we still send them up -- and that's
the case here.
This is mostly DT additions for Renesas platforms, adding IP block
descriptions for existing and new SoCs.
There are also some driver updates for Qualcomm platforms for SMEM/QMI
and GENI, which is their generalized serial protocol interface"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (186 commits)
soc: qcom: smem: introduce qcom_smem_virt_to_phys()
soc: qcom: qmi: fix a buffer sizing bug
MAINTAINERS: Update pattern for qcom_scm
soc: Unconditionally include qcom Makefile
soc: qcom: smem: check sooner in qcom_smem_set_global_partition()
soc: qcom: smem: fix qcom_smem_set_global_partition()
soc: qcom: smem: fix off-by-one error in qcom_smem_alloc_private()
soc: qcom: smem: byte swap values properly
soc: qcom: smem: return proper type for cached entry functions
soc: qcom: smem: fix first cache entry calculation
soc: qcom: cmd-db: Make endian-agnostic
drivers: qcom: add command DB driver
arm64: dts: renesas: salvator-common: Add ADV7482 support
ARM: dts: r8a7740: Add CEU1
ARM: dts: r8a7740: Add CEU0
arm64: dts: renesas: salvator-common: enable VIN
arm64: dts: renesas: r8a77970: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a77965: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a7796: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a7795-es1: add CSI-2 node
...
As always, a large number of DT updates. Too many to enumerate them all,
but at a glance:
New SoCs introduced in this release:
- Amlogic:
+ Meson 8M2 SoC, a.k.a. S812. A quad Cortex-A9 SoC used in some set
top boxes and other products.
- Mediatek:
+ MT7623A, which is a flavor of the MT7623 family with other on-chip
ethernet options.
- Qualcomm:
+ SDM845, a.k.a Snapdragon 845, an 4+4-core Kryo 385/845
(Cortex-A75/A55 derivative) SoC that's one of the current high-end
mobile SoCs.
It's great to see mainline support for it. So far, you
can't do much with it, since a lot of peripherals are not yet in the
DTs but driver support for USB, GPU and other pieces are starting to
trickle in. This might end up being a well-supported SoC upstream if
the momentum keeps up.
- Renesas:
+ R8A77990, a.k.a R-Car E3, a new automotive entertainment-targeted
SoC. Currently only one Cortex-A53 CPU is enabled, we are eagerly
awaiting more. So far, basic drivers such as serial, gpios, PMU and
ethernet are enabled.
+ R8A77470, a.k.a. RZ/G1C, a new dual Cortex-A7 SoC with PowerVR
GPU. Same here, basic set of drivers such as serial, gpios and ethernet
enabled, and SMP support is also forthcoming.
- STMicroelectronics:
+ STM32F469, very similar tih STM32F429 but with display support
Enhancements to SoCs/platforms (DTS contents, some driver portions might
not be in yet):
- Allwinner sun8i (h3/a33/a83t) SMP, DVFS tweaks, misc
- Amlogic Meson: I2C, UFS, TDM, GPIO external interrupts, MMC resets
- Hisilicon hi3660: Thermal cooling, CPU frequency scaling, mailbox interfaces
- Marvell Berlin2CD: SMP support, thermal sensors
- Mediatek MT7623: Highspeed DMA, audio support
- Qualcomm IPQ8074 PCIe support, MSM8996 UFS support
- Renesas: Watchdog and PMU support across many platforms
- Rockchip RK3399: USB3 OTG support
- Samsung Exynos: Audio-over-HDMI on Odroid X/X2/U3
- STMicro STM32: Lots of peripherals added to STM32MP175C
- Uniphier: Ethernet support
New boards:
- Allwinner A20: Olimex A20-SOM-EVB-eMMC variant
- Allwinner H2+: Libre Computer ALL-H3-CC (h2+ version)
- Allwinner A33: Nintendo NES/SuperNES Classic Edition
- Aspeed: S2600WF, Inventec Lanyang BMC, Portwell Neptune
- Berlin2CD: Valve Steam Link
- Broadcom BCM5301X: Luxul XAP-1610 and XWR-3150 V1
- Broadcom: Raspberry Pi 3 B+
- Mediatek MT7623N and MT7623A: reference boards
- Meson 8M2: Tronsmart MXIII Plus
- NXP i.MX: Engicam i.CoreM6, DHCOM iMX6 SOM, BTicino i.MX6DL Mamoj
- Qualcomm MSM8974: Sony Xperia Z1 Compact support
- Qualcomm SDM845: MTP development board
- Renesas: Ebisu R8A77990 board
- Renesas RZ/G1C: iwg23s: iWave G235-SDB
- TI am335x: Pocketbeagle support
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree updates from Olof Johansson:
"As always, a large number of DT updates. Too many to enumerate them
all, but at a glance:
New SoCs introduced in this release:
- Amlogic:
+ Meson 8M2 SoC, a.k.a. S812. A quad Cortex-A9 SoC used in some
set top boxes and other products.
- Mediatek:
+ MT7623A, which is a flavor of the MT7623 family with other
on-chip ethernet options.
- Qualcomm:
+ SDM845, a.k.a Snapdragon 845, an 4+4-core Kryo 385/845
(Cortex-A75/A55 derivative) SoC that's one of the current
high-end mobile SoCs.
It's great to see mainline support for it. So far, you can't do
much with it, since a lot of peripherals are not yet in the DTs
but driver support for USB, GPU and other pieces are starting to
trickle in. This might end up being a well-supported SoC
upstream if the momentum keeps up.
- Renesas:
+ R8A77990, a.k.a R-Car E3, a new automotive
entertainment-targeted SoC. Currently only one Cortex-A53 CPU is
enabled, we are eagerly awaiting more. So far, basic drivers
such as serial, gpios, PMU and ethernet are enabled.
+ R8A77470, a.k.a. RZ/G1C, a new dual Cortex-A7 SoC with PowerVR
GPU. Same here, basic set of drivers such as serial, gpios and
ethernet enabled, and SMP support is also forthcoming.
- STMicroelectronics:
+ STM32F469, very similar tih STM32F429 but with display support
Enhancements to SoCs/platforms (DTS contents, some driver portions
might not be in yet):
- Allwinner sun8i (h3/a33/a83t) SMP, DVFS tweaks, misc
- Amlogic Meson: I2C, UFS, TDM, GPIO external interrupts, MMC resets
- Hisilicon hi3660: Thermal cooling, CPU frequency scaling, mailbox interfaces
- Marvell Berlin2CD: SMP support, thermal sensors
- Mediatek MT7623: Highspeed DMA, audio support
- Qualcomm IPQ8074 PCIe support, MSM8996 UFS support
- Renesas: Watchdog and PMU support across many platforms
- Rockchip RK3399: USB3 OTG support
- Samsung Exynos: Audio-over-HDMI on Odroid X/X2/U3
- STMicro STM32: Lots of peripherals added to STM32MP175C
- Uniphier: Ethernet support
New boards:
- Allwinner A20: Olimex A20-SOM-EVB-eMMC variant
- Allwinner H2+: Libre Computer ALL-H3-CC (h2+ version)
- Allwinner A33: Nintendo NES/SuperNES Classic Edition
- Aspeed: S2600WF, Inventec Lanyang BMC, Portwell Neptune
- Berlin2CD: Valve Steam Link
- Broadcom BCM5301X: Luxul XAP-1610 and XWR-3150 V1
- Broadcom: Raspberry Pi 3 B+
- Mediatek MT7623N and MT7623A: reference boards
- Meson 8M2: Tronsmart MXIII Plus
- NXP i.MX: Engicam i.CoreM6, DHCOM iMX6 SOM, BTicino i.MX6DL Mamoj
- Qualcomm MSM8974: Sony Xperia Z1 Compact support
- Qualcomm SDM845: MTP development board
- Renesas: Ebisu R8A77990 board
- Renesas RZ/G1C: iwg23s: iWave G235-SDB
- TI am335x: Pocketbeagle support"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (448 commits)
ARM: dts: aspeed: Fix hwrng register address
arm64: dts: sprd: whale2: Add the rtc enable clock for watchdog
arm64: dts: sprd: Add GPIO and GPIO keys device nodes
arm64: dts: sprd: fix typo in 'remote-endpoint'
arm64: dts: apq8096-db820c: Removed bt-en-1-8v regulator
arm64: dts: fix regulator property name for wlan pcie endpoint
arm64: dts: qcom: msm8996: Use UFS_GDSC for UFS
ARM: dts: pxa3xx: fix MMC clocks
ARM: pxa: dts: add pin definitions for extended GPIOs
ARM: pxa: dts: add gpio-ranges to gpio controller
ARM: dts: ipq8074: Enable few peripherals for hk01 board
ARM: dts: ipq8074: Add pcie nodes
ARM: dts: ipq8074: Add peripheral nodes
ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk07.1-c2 board file
ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk07.1-c1 board file
ARM: dts: ipq4019: Add ipq4019-ap.dk07.1 common data
ARM: dts: ipq4019: Add qcom-ipq4019-ap.dk04.1-c3 board file
ARM: dts: ipq4019: Add ipq4019-ap.dk04.1-c1 board file
ARM: dts: ipq4019: Add ipq4019-ap.dk04.dtsi
ARM: dts: ipq4019: Change the max opp frequency
...
Linus Torvalds