driver.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One more fix to set the correct IO mapping for a clk gate in the
lan966x driver"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: lan966x: Fix the lan966x clock gate register address
* Fix use of sched_setaffinity in selftests
* Sync kernel headers to tools
* Fix KVM_STATS_UNIT_MAX
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
- Check for invalid flags to KVM_CAP_X86_USER_SPACE_MSR
- Fix use of sched_setaffinity in selftests
- Sync kernel headers to tools
- Fix KVM_STATS_UNIT_MAX
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Protect the unused bits in MSR exiting flags
tools headers UAPI: Sync linux/kvm.h with the kernel sources
KVM: selftests: Fix target thread to be migrated in rseq_test
KVM: stats: Fix value for KVM_STATS_UNIT_MAX for boolean stats
A few more small driver specific fixes, this is obviously rather late
and if you think it's best to leave these until the next release that
would be reasonable.
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Merge tag 'spi-fix-v5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few more small driver specific fixes"
* tag 'spi-fix-v5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi-rspi: Fix PIO fallback on RZ platforms
spi: spi-cadence: Fix SPI NO Slave Select macro definition
spi: bcm2835: bcm2835_spi_handle_err(): fix NULL pointer deref for non DMA transfers
* Two kexec-related build fixes.
* A DTS update to make the GPIO nodes match the upcoming dtschema.
* A fix that passes -mno-relax directly to the assembler when building
modules, to work around compilers that fail to do so.
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Merge tag 'riscv-for-linus-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- Two kexec-related build fixes
- A DTS update to make the GPIO nodes match the upcoming dtschema
- A fix that passes -mno-relax directly to the assembler when building
modules, to work around compilers that fail to do so
* tag 'riscv-for-linus-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: add as-options for modules with assembly compontents
riscv: dts: align gpio-key node names with dtschema
RISC-V: kexec: Fix build error without CONFIG_KEXEC
RISCV: kexec: Fix build error without CONFIG_MODULES
Fix yet another piece of ACPI CPPC changes fallout on AMD
platforms (Mario Limonciello).
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Merge tag 'acpi-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix yet another piece of ACPI CPPC changes fallout on AMD platforms
(Mario Limonciello)"
* tag 'acpi-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: CPPC: Don't require flexible address space if X86_FEATURE_CPPC is supported
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Merge tag 'io_uring-5.19-2022-07-21' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Fix for a bad kfree() introduced in this cycle, and a quick fix for
disabling buffer recycling for IORING_OP_READV.
The latter will get reworked for 5.20, but it gets the job done for
5.19"
* tag 'io_uring-5.19-2022-07-21' of git://git.kernel.dk/linux-block:
io_uring: do not recycle buffer in READV
io_uring: fix free of unallocated buffer list
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Merge tag 'block-5.19-2022-07-21' of git://git.kernel.dk/linux-block
Pull block fix from Jens Axboe:
"Just a single fix for missing error propagation for an allocation
failure in raid5"
* tag 'block-5.19-2022-07-21' of git://git.kernel.dk/linux-block:
md/raid5: missing error code in setup_conf()
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Merge tag 'i2c-for-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Two driver bugfixes and a typo fix"
* tag 'i2c-for-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: cadence: Change large transfer count reset logic to be unconditional
i2c: imx: fix typo in comment
i2c: mlxcpld: Fix register setting for 400KHz frequency
- fix several regmap usage issues in gpio-pca953x
- fix out-of-tree build for GPIO selftests
- fix integer overflow in gpio-xilinx
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Merge tag 'gpio-fixes-for-v5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix several regmap usage issues in gpio-pca953x
- fix out-of-tree build for GPIO selftests
- fix integer overflow in gpio-xilinx
* tag 'gpio-fixes-for-v5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: gpio-xilinx: Fix integer overflow
selftests: gpio: fix include path to kernel headers for out of tree builds
gpio: pca953x: use the correct register address when regcache sync during init
gpio: pca953x: use the correct range when do regmap sync
gpio: pca953x: only use single read/write for No AI mode
- NULL check for the ralink and sunplus drivers.
- Add Jacky Bai as maintainer for the Freescale pin controllers.
- Fix pin config ops for the Ocelot LAN966x and SparX5.
- Disallow AMD pin control to be a module: the GPIO lines
need to be active in early boot, so no can do.
- Fix the Armada 37xx to use raw spinlocks in the interrupt
handler path to avoid wait context.
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Merge tag 'pinctrl-v5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Only driver fixes:
- NULL check for the ralink and sunplus drivers
- Add Jacky Bai as maintainer for the Freescale pin controllers
- Fix pin config ops for the Ocelot LAN966x and SparX5
- Disallow AMD pin control to be a module: the GPIO lines need to be
active in early boot, so no can do
- Fix the Armada 37xx to use raw spinlocks in the interrupt handler
path to avoid wait context"
* tag 'pinctrl-v5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: armada-37xx: use raw spinlocks for regmap to avoid invalid wait context
pinctrl: armada-37xx: make irq_lock a raw spinlock to avoid invalid wait context
pinctrl: Don't allow PINCTRL_AMD to be a module
pinctrl: ocelot: Fix pincfg
pinctrl: ocelot: Fix pincfg for lan966x
MAINTAINERS: Update freescale pin controllers maintainer
pinctrl: sunplus: Add check for kcalloc
pinctrl: ralink: Check for null return of devm_kcalloc
Only contains the revert of Rockchip BCLK changes for addressing
a regression.
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Merge tag 'sound-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Only undoes the Rockchip BCLK changes to address a regression"
* tag 'sound-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: rockchip-i2s: Undo BCLK pinctrl changes
ASoC: rockchip: i2s: Fix NULL pointer dereference when pinctrl is not found
scheduler:
- scheduling while atomic fix
ttm:
- locking fix
edp:
- variable typo fix
i915:
- add back support for v69 firmware on ADL-P.
amdgpu:
- Drop redundant buffer cleanup that can lead to a segfault
- Add a bo_list mutex to avoid possible list corruption in CS
- dmub notification fix
imx:
- fix error path
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Merge tag 'drm-fixes-2022-07-22' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Fixes for this week.
The main one is the i915 firmware fix for the phoronix reported issue.
I've written some firmware guidelines as a result, should land in
-next soon. Otherwise a few amdgpu fixes, a scheduler fix, ttm fix and
two other minor ones.
scheduler:
- scheduling while atomic fix
ttm:
- locking fix
edp:
- variable typo fix
i915:
- add back support for v69 firmware on ADL-P
amdgpu:
- Drop redundant buffer cleanup that can lead to a segfault
- Add a bo_list mutex to avoid possible list corruption in CS
- dmub notification fix
imx:
- fix error path"
* tag 'drm-fixes-2022-07-22' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: Protect the amdgpu_bo_list list with a mutex v2
drm/imx/dcss: Add missing of_node_put() in fail path
drm/i915/guc: support v69 in parallel to v70
drm/i915/guc: Support programming the EU priority in the GuC descriptor
drm/panel-edp: Fix variable typo when saving hpd absent delay from DT
drm/amdgpu: Remove one duplicated ef removal
drm/ttm: fix locking in vmap/vunmap TTM GEM helpers
drm/scheduler: Don't kill jobs in interrupt context
drm/amd/display: Fix new dmub notification enabling in DM
This pull request contains a pair of commits that fix 282d8998e9 ("srcu:
Prevent expedited GPs and blocking readers from consuming CPU"), which
was itself a fix to an SRCU expedited grace-period problem that could
prevent kernel live patching (KLP) from completing. That SRCU fix for
KLP introduced large (as in minutes) boot-time delays to embedded Linux
kernels running on qemu/KVM. These delays were due to the emulation of
certain MMIO operations controlling memory layout, which were emulated
with one expedited grace period per access. Common configurations
required thousands of boot-time MMIO accesses, and thus thousands of
boot-time expedited SRCU grace periods.
In these configurations, the occasional sleeps that allowed KLP to proceed
caused excessive boot delays. These commits preserve enough sleeps to
permit KLP to proceed, but few enough that the virtual embedded kernels
still boot reasonably quickly.
This represents a regression introduced in the v5.19 merge window,
and the bug is causing significant inconvenience, hence this pull request.
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Merge tag 'rcu-urgent.2022.07.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU fix from Paul McKenney:
"This contains a pair of commits that fix 282d8998e9 ("srcu: Prevent
expedited GPs and blocking readers from consuming CPU"), which was
itself a fix to an SRCU expedited grace-period problem that could
prevent kernel live patching (KLP) from completing.
That SRCU fix for KLP introduced large (as in minutes) boot-time
delays to embedded Linux kernels running on qemu/KVM. These delays
were due to the emulation of certain MMIO operations controlling
memory layout, which were emulated with one expedited grace period per
access. Common configurations required thousands of boot-time MMIO
accesses, and thus thousands of boot-time expedited SRCU grace
periods.
In these configurations, the occasional sleeps that allowed KLP to
proceed caused excessive boot delays. These commits preserve enough
sleeps to permit KLP to proceed, but few enough that the virtual
embedded kernels still boot reasonably quickly.
This represents a regression introduced in the v5.19 merge window, and
the bug is causing significant inconvenience"
* tag 'rcu-urgent.2022.07.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
srcu: Make expedited RCU grace periods block even less frequently
srcu: Block less aggressively for expedited grace periods
Sudip reports that alpha doesn't build properly, with errors like
include/asm-generic/tlb.h:401:1: error: redefinition of 'tlb_update_vma_flags'
401 | tlb_update_vma_flags(struct mmu_gather *tlb, struct vm_area_struct *vma)
| ^~~~~~~~~~~~~~~~~~~~
include/asm-generic/tlb.h:372:1: note: previous definition of 'tlb_update_vma_flags' with type 'void(struct mmu_gather *, struct vm_area_struct *)'
372 | tlb_update_vma_flags(struct mmu_gather *tlb, struct vm_area_struct *vma) { }
the cause being that We have this odd situation where some architectures
were never converted to the newer TLB flushing interfaces that have a
range for the flush. Instead people left them alone, and we have them
select the MMU_GATHER_NO_RANGE config option to make the tlb header
files account for this.
Peter Zijlstra cleaned some of these nasty header file games up in
commits
1e9fdf21a4 ("mmu_gather: Remove per arch tlb_{start,end}_vma()")
18ba064e42 ("mmu_gather: Let there be one tlb_{start,end}_vma() implementation")
but tlb_update_vma_flags() was left alone, and then commit b67fbebd4c
("mmu_gather: Force tlb-flush VM_PFNMAP vmas") ended up removing only
_one_ of the two stale duplicate dummy inline functions.
This removes the other stale one.
Somebody braver than me should try to remove MMU_GATHER_NO_RANGE
entirely, but it requires fixing up the oddball architectures that use
it: alpha, m68k, microblaze, nios2 and openrisc.
The fixups should be fairly straightforward ("fix the build errors it
exposes by adding the appropriate range arguments"), but the reason this
wasn't done in the first place is that so few people end up working on
those architectures. But it could be done one architecture at a time,
hint, hint.
Reported-by: Sudip Mukherjee (Codethink) <sudipm.mukherjee@gmail.com>
Fixes: b67fbebd4c ("mmu_gather: Force tlb-flush VM_PFNMAP vmas")
Link: https://lore.kernel.org/all/YtpXh0QHWwaEWVAY@debian/
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Nick Piggin <npiggin@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Current implementation is not able to configure more than 32 pins
due to incorrect data type. So type casting with unsigned long
to avoid it.
Fixes: 02b3f84d90 ("xilinx: Switch to use bitmap APIs")
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
a typo fix for panel-edp and a resource removal fix for imx/dcss
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Merge tag 'drm-misc-fixes-2022-07-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
A scheduling-while-atomic fix for drm/scheduler, a locking fix for TTM,
a typo fix for panel-edp and a resource removal fix for imx/dcss
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220721085550.hrwbukj34y56rzva@houat
When trying to load modules built for RISC-V which include assembly files
the kernel loader errors with "unexpected relocation type 'R_RISCV_ALIGN'"
due to R_RISCV_ALIGN relocations being generated by the assembler.
The R_RISCV_ALIGN relocations can be removed at the expense of code space
by adding -mno-relax to gcc and as. In commit 7a8e7da422
("RISC-V: Fixes to module loading") -mno-relax is added to the build
variable KBUILD_CFLAGS_MODULE. See [1] for more info.
The issue is that when kbuild builds a .S file, it invokes gcc with
the -mno-relax flag, but this is not being passed through to the
assembler. Adding -Wa,-mno-relax to KBUILD_AFLAGS_MODULE ensures that
the assembler is invoked correctly. This may have now been fixed in
gcc[2] and this addition should not stop newer gcc and as from working.
[1] https://github.com/riscv/riscv-elf-psabi-doc/issues/183
[2] 3b0a7d624e
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Link: https://lore.kernel.org/r/20220529152200.609809-1-ben.dooks@codethink.co.uk
Fixes: ab1ef68e54 ("RISC-V: Add sections of PLT and GOT for kernel module")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Previous releases - regressions:
- tcp/udp: make early_demux back namespacified.
- dsa: fix issues with vlan_filtering_is_global
Previous releases - always broken:
- ip: fix data-races around ipv4_net_table (round 2, 3 & 4)
- amt: fix validation and synchronization bugs
- can: fix detection of mcp251863
- eth: iavf: fix handling of dummy receive descriptors
- eth: lan966x: fix issues with MAC table
- eth: stmmac: dwmac-mediatek: fix clock issue
Misc:
- dsa: update documentation
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from can.
Still no major regressions, most of the changes are still due to data
races fixes, plus the usual bunch of drivers fixes.
Previous releases - regressions:
- tcp/udp: make early_demux back namespacified.
- dsa: fix issues with vlan_filtering_is_global
Previous releases - always broken:
- ip: fix data-races around ipv4_net_table (round 2, 3 & 4)
- amt: fix validation and synchronization bugs
- can: fix detection of mcp251863
- eth: iavf: fix handling of dummy receive descriptors
- eth: lan966x: fix issues with MAC table
- eth: stmmac: dwmac-mediatek: fix clock issue
Misc:
- dsa: update documentation"
* tag 'net-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (107 commits)
mlxsw: spectrum_router: Fix IPv4 nexthop gateway indication
net/sched: cls_api: Fix flow action initialization
tcp: Fix data-races around sysctl_tcp_max_reordering.
tcp: Fix a data-race around sysctl_tcp_abort_on_overflow.
tcp: Fix a data-race around sysctl_tcp_rfc1337.
tcp: Fix a data-race around sysctl_tcp_stdurg.
tcp: Fix a data-race around sysctl_tcp_retrans_collapse.
tcp: Fix data-races around sysctl_tcp_slow_start_after_idle.
tcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts.
tcp: Fix data-races around sysctl_tcp_recovery.
tcp: Fix a data-race around sysctl_tcp_early_retrans.
tcp: Fix data-races around sysctl knobs related to SYN option.
udp: Fix a data-race around sysctl_udp_l3mdev_accept.
ip: Fix data-races around sysctl_ip_prot_sock.
ipv4: Fix data-races around sysctl_fib_multipath_hash_fields.
ipv4: Fix data-races around sysctl_fib_multipath_hash_policy.
ipv4: Fix a data-race around sysctl_fib_multipath_use_neigh.
can: rcar_canfd: Add missing of_node_put() in rcar_canfd_probe()
can: mcp251xfd: fix detection of mcp251863
Documentation: fix udp_wmem_min in ip-sysctl.rst
...
Jann reported a race between munmap() and unmap_mapping_range(), where
unmap_mapping_range() will no-op once unmap_vmas() has unlinked the
VMA; however munmap() will not yet have invalidated the TLBs.
Therefore unmap_mapping_range() will complete while there are still
(stale) TLB entries for the specified range.
Mitigate this by force flushing TLBs for VM_PFNMAP ranges.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Now that architectures are no longer allowed to override
tlb_{start,end}_vma() re-arrange code so that there is only one
implementation for each of these functions.
This much simplifies trying to figure out what they actually do.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The previous patch removed the tlb_flush_end() implementation which
used tlb_flush_range(). This means:
- csky did double invalidates, a range invalidate per vma and a full
invalidate at the end
- csky actually has range invalidates and as such the generic
tlb_flush implementation is more efficient for it.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Will Deacon <will@kernel.org>
Tested-by: Guo Ren <guoren@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Scattered across the archs are 3 basic forms of tlb_{start,end}_vma().
Provide two new MMU_GATHER_knobs to enumerate them and remove the per
arch tlb_{start,end}_vma() implementations.
- MMU_GATHER_NO_FLUSH_CACHE indicates the arch has flush_cache_range()
but does *NOT* want to call it for each VMA.
- MMU_GATHER_MERGE_VMAS indicates the arch wants to merge the
invalidate across multiple VMAs if possible.
With these it is possible to capture the three forms:
1) empty stubs;
select MMU_GATHER_NO_FLUSH_CACHE and MMU_GATHER_MERGE_VMAS
2) start: flush_cache_range(), end: empty;
select MMU_GATHER_MERGE_VMAS
3) start: flush_cache_range(), end: flush_tlb_range();
default
Obviously, if the architecture does not have flush_cache_range() then
it also doesn't need to select MMU_GATHER_NO_FLUSH_CACHE.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Will Deacon <will@kernel.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently the command 'lx-symbols' in gdb exits with the error`Function
"do_init_module" not defined in "kernel/module.c"`. This occurs because
the file kernel/module.c was moved to kernel/module/main.c.
Fix this breakage by changing the path to "kernel/module/main.c" in
LoadModuleBreakpoint.
Signed-off-by: Khalid Masum <khalid.masum.92@gmail.com>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Fixes: cfc1d27789 ("module: Move all into module/")
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Sedat Dilek noticed that I had an extraneous semicolon at the end of a
line in the previous patch.
It's harmless, but unintentional, and while compilers just treat it as
an extra empty statement, for all I know some other tooling might warn
about it. So clean it up before other people notice too ;)
Fixes: 353f7988dd ("watchqueue: make sure to serialize 'wqueue->defunct' properly")
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
RSPI IP on RZ/{A, G2L} SoC's has the same signal for both interrupt
and DMA transfer request. Setting DMARS register for DMA transfer
makes the signal to work as a DMA transfer request signal and
subsequent interrupt requests to the interrupt controller
are masked.
PIO fallback does not work as interrupt signal is disabled.
This patch fixes this issue by re-enabling the interrupts by
calling dmaengine_synchronize().
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220721143449.879257-1-biju.das.jz@bp.renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
READV cannot recycle buffers as it would lose some of the data required to
reimport that buffer.
Reported-by: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Fixes: b66e65f414 ("io_uring: never call io_buffer_select() for a buffer re-select")
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220721131325.624788-1-dylany@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Let's accept the fallback to v69.
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Merge tag 'drm-intel-fixes-2022-07-20-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix the regression caused by the lack of GuC v70.
Let's accept the fallback to v69.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YtgguaR5JYK083oZ@intel.com
Protect the struct amdgpu_bo_list with a mutex. This is used during command
submission in order to avoid buffer object corruption as recorded in
the link below.
v2 (chk): Keep the mutex looked for the whole CS to avoid using the
list from multiple CS threads at the same time.
Suggested-by: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <Alexander.Deucher@amd.com>
Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Cc: Vitaly Prosyak <Vitaly.Prosyak@amd.com>
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2048
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Luben Tuikov <luben.tuikov@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
When the pipe is closed, we mark the associated watchqueue defunct by
calling watch_queue_clear(). However, while that is protected by the
watchqueue lock, new watchqueue entries aren't actually added under that
lock at all: they use the pipe->rd_wait.lock instead, and looking up
that pipe happens without any locking.
The watchqueue code uses the RCU read-side section to make sure that the
wqueue entry itself hasn't disappeared, but that does not protect the
pipe_info in any way.
So make sure to actually hold the wqueue lock when posting watch events,
properly serializing against the pipe being torn down.
Reported-by: Noam Rathaus <noamr@ssd-disclosure.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix SPI NO Slave Select macro definition, when all the SPI CS bits
are high which means no slave is selected.
Fixes: 21b511ddee ("spi: spi-cadence: Fix SPI CS gets toggling sporadically")
Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@xilinx.com>
Link: https://lore.kernel.org/r/20220713164529.28444-1-amit.kumar-mahapatra@xilinx.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The lockdown LSM is primarily used in conjunction with UEFI Secure Boot.
This LSM may also be used on machines without UEFI. It can also be
enabled when UEFI Secure Boot is disabled. One of lockdown's features
is to prevent kexec from loading untrusted kernels. Lockdown can be
enabled through a bootparam or after the kernel has booted through
securityfs.
If IMA appraisal is used with the "ima_appraise=log" boot param,
lockdown can be defeated with kexec on any machine when Secure Boot is
disabled or unavailable. IMA prevents setting "ima_appraise=log" from
the boot param when Secure Boot is enabled, but this does not cover
cases where lockdown is used without Secure Boot.
To defeat lockdown, boot without Secure Boot and add ima_appraise=log to
the kernel command line; then:
$ echo "integrity" > /sys/kernel/security/lockdown
$ echo "appraise func=KEXEC_KERNEL_CHECK appraise_type=imasig" > \
/sys/kernel/security/ima/policy
$ kexec -ls unsigned-kernel
Add a call to verify ima appraisal is set to "enforce" whenever lockdown
is enabled. This fixes CVE-2022-21505.
Cc: stable@vger.kernel.org
Fixes: 29d3c1c8df ("kexec: Allow kexec_file() with appropriate IMA policy when locked down")
Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Acked-by: Mimi Zohar <zohar@linux.ibm.com>
Reviewed-by: John Haxby <john.haxby@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In case a IRQ based transfer times out the bcm2835_spi_handle_err()
function is called. Since commit 1513ceee70 ("spi: bcm2835: Drop
dma_pending flag") the TX and RX DMA transfers are unconditionally
canceled, leading to NULL pointer derefs if ctlr->dma_tx or
ctlr->dma_rx are not set.
Fix the NULL pointer deref by checking that ctlr->dma_tx and
ctlr->dma_rx are valid pointers before accessing them.
Fixes: 1513ceee70 ("spi: bcm2835: Drop dma_pending flag")
Cc: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20220719072234.2782764-1-mkl@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
When building selftests out of the kernel tree the gpio.h the include
path is incorrect and the build falls back to the system includes
which may be outdated.
Add the KHDR_INCLUDES to the CFLAGS to include the gpio.h from the
build tree.
Fixes: 4f4d0af7b2 ("selftests: gpio: restore CFLAGS options")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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Merge tag 'linux-can-fixes-for-5.19-20220720' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
this is a pull request of 2 patches for net/master.
The first patch is by me and fixes the detection of the mcp251863 in
the mcp251xfd driver.
The last patch is by Liang He and adds a missing of_node_put() in the
rcar_canfd driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
mlxsw needs to distinguish nexthops with a gateway from connected
nexthops in order to write the former to the adjacency table of the
device. The check used to rely on the fact that nexthops with a gateway
have a 'link' scope whereas connected nexthops have a 'host' scope. This
is no longer correct after commit 747c143072 ("ip: fix dflt addr
selection for connected nexthop").
Fix that by instead checking the address family of the gateway IP. This
is a more direct way and also consistent with the IPv6 counterpart in
mlxsw_sp_rt6_is_gateway().
Cc: stable@vger.kernel.org
Fixes: 747c143072 ("ip: fix dflt addr selection for connected nexthop")
Fixes: 597cfe4fc3 ("nexthop: Add support for IPv4 nexthops")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The cited commit refactored the flow action initialization sequence to
use an interface method when translating tc action instances to flow
offload objects. The refactored version skips the initialization of the
generic flow action attributes for tc actions, such as pedit, that allocate
more than one offload entry. This can cause potential issues for drivers
mapping flow action ids.
Populate the generic flow action fields for all the flow action entries.
Fixes: c54e1d920f ("flow_offload: add ops to tc_action_ops for flow action setup")
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
----
v1 -> v2:
- coalese the generic flow action fields initialization to a single loop
Reviewed-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kuniyuki Iwashima says:
====================
sysctl: Fix data-races around ipv4_net_table (Round 4).
This series fixes data-races around 17 knobs after fib_multipath_use_neigh
in ipv4_net_table.
tcp_fack was skipped because it's obsolete and there's no readers.
So, round 5 will start with tcp_dsack, 2 rounds left for 27 knobs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_max_reordering, it can be changed
concurrently. Thus, we need to add READ_ONCE() to its readers.
Fixes: dca145ffaa ("tcp: allow for bigger reordering level")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_abort_on_overflow, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_rfc1337, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_stdurg, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_retrans_collapse, it can be changed
concurrently. Thus, we need to add READ_ONCE() to its reader.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_slow_start_after_idle, it can be changed
concurrently. Thus, we need to add READ_ONCE() to its readers.
Fixes: 35089bb203 ("[TCP]: Add tcp_slow_start_after_idle sysctl.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_thin_linear_timeouts, it can be changed
concurrently. Thus, we need to add READ_ONCE() to its reader.
Fixes: 36e31b0af5 ("net: TCP thin linear timeouts")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_recovery, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Fixes: 4f41b1c58a ("tcp: use RACK to detect losses")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_tcp_early_retrans, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Fixes: eed530b6c6 ("tcp: early retransmit")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
