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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Two fixes: a guest-cputime accounting fix, and a cgroup bandwidth
quota precision fix"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/vtime: Fix guest/system mis-accounting on task switch
sched/fair: Scale bandwidth quota and period without losing quota/period ratio precision
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Mostly tooling fixes, but also a couple of updates for new Intel
models (which are technically hw-enablement, but to users it's a fix
to perf behavior on those new CPUs - hope this is fine), an AUX
inheritance fix, event time-sharing fix, and a fix for lost non-perf
NMI events on AMD systems"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
perf/x86/cstate: Add Tiger Lake CPU support
perf/x86/msr: Add Tiger Lake CPU support
perf/x86/intel: Add Tiger Lake CPU support
perf/x86/cstate: Update C-state counters for Ice Lake
perf/x86/msr: Add new CPU model numbers for Ice Lake
perf/x86/cstate: Add Comet Lake CPU support
perf/x86/msr: Add Comet Lake CPU support
perf/x86/intel: Add Comet Lake CPU support
perf/x86/amd: Change/fix NMI latency mitigation to use a timestamp
perf/core: Fix corner case in perf_rotate_context()
perf/core: Rework memory accounting in perf_mmap()
perf/core: Fix inheritance of aux_output groups
perf annotate: Don't return -1 for error when doing BPF disassembly
perf annotate: Return appropriate error code for allocation failures
perf annotate: Fix arch specific ->init() failure errors
perf annotate: Propagate the symbol__annotate() error return
perf annotate: Fix the signedness of failure returns
perf annotate: Propagate perf_env__arch() error
perf evsel: Fall back to global 'perf_env' in perf_evsel__env()
perf tools: Propagate get_cpuid() error
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Ingo Molnar:
"Misc EFI fixes all across the map: CPER error report fixes, fixes to
TPM event log parsing, fix for a kexec hang, a Sparse fix and other
fixes"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/tpm: Fix sanity check of unsigned tbl_size being less than zero
efi/x86: Do not clean dummy variable in kexec path
efi: Make unexported efi_rci2_sysfs_init() static
efi/tpm: Only set 'efi_tpm_final_log_size' after successful event log parsing
efi/tpm: Don't traverse an event log with no events
efi/tpm: Don't access event->count when it isn't mapped
efivar/ssdt: Don't iterate over EFI vars if no SSDT override was specified
efi/cper: Fix endianness of PCIe class code
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"A handful of fixes: a kexec linking fix, an AMD MWAITX fix, a vmware
guest support fix when built under Clang, and new CPU model number
definitions"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Add Comet Lake to the Intel CPU models header
lib/string: Make memzero_explicit() inline instead of external
x86/cpu/vmware: Use the full form of INL in VMWARE_PORT
x86/asm: Fix MWAITX C-state hint value
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 license tag fixlets from Ingo Molnar:
"Fix a couple of SPDX tags in x86 headers to follow the canonical
pattern"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Use the correct SPDX License Identifier in headers
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
- Fix several bugs in the breakpoint trap handler
- Drop an unnecessary loop around calls to preempt_schedule_irq()
* tag 'riscv/for-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: entry: Remove unneeded need_resched() loop
riscv: Correct the handling of unexpected ebreak in do_trap_break()
riscv: avoid sending a SIGTRAP to a user thread trapped in WARN()
riscv: avoid kernel hangs when trapped in BUG()
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
- Build fixes for CONFIG_OPTIMIZE_INLINING=y builds in which the
compiler may choose not to inline __xchg() & __cmpxchg().
- A build fix for Loongson configurations with GCC 9.x.
- Expose some extra HWCAP bits to indicate support for various
instruction set extensions to userland.
- Fix bad stack access in firmware handling code for old SNI
RM200/300/400 machines.
* tag 'mips_fixes_5.4_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: Disable Loongson MMI instructions for kernel build
MIPS: elf_hwcap: Export userspace ASEs
MIPS: fw: sni: Fix out of bounds init of o32 stack
MIPS: include: Mark __xchg as __always_inline
MIPS: include: Mark __cmpxchg as __always_inline
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Fix a kernel crash in spufs_create_root() on Cell machines, since the
new mount API went in.
Fix a regression in our KVM code caused by our recent PCR changes.
Avoid a warning message about a failing hypervisor API on systems that
don't have that API.
A couple of minor build fixes.
Thanks to: Alexey Kardashevskiy, Alistair Popple, Desnes A. Nunes do
Rosario, Emmanuel Nicolet, Jordan Niethe, Laurent Dufour, Stephen
Rothwell"
* tag 'powerpc-5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
spufs: fix a crash in spufs_create_root()
powerpc/kvm: Fix kvmppc_vcore->in_guest value in kvmhv_switch_to_host
selftests/powerpc: Fix compile error on tlbie_test due to newer gcc
powerpc/pseries: Remove confusing warning message.
powerpc/64s/radix: Fix build failure with RADIX_MMU=n
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- correct panic handling when running as a Xen guest
- cleanup the Xen grant driver to remove printing a pointer being
always NULL
- remove a soon to be wrong call of of_dma_configure()
* tag 'for-linus-5.4-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: Stop abusing DT of_dma_configure API
xen/grant-table: remove unnecessary printing
x86/xen: Return from panic notifier
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix virtio-ccw DMA regression
- Fix compiler warnings in uaccess
* tag 's390-5.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/uaccess: avoid (false positive) compiler warnings
s390/cio: fix virtio-ccw DMA without PV
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Tiger Lake is the followon to Ice Lake. From the perspective of Intel
cstate residency counters, there is nothing changed compared with
Ice Lake.
Share icl_cstates with Ice Lake.
Update the comments for Tiger Lake.
The External Design Specification (EDS) is not published yet. It comes
from an authoritative internal source.
The patch has been tested on real hardware.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/1570549810-25049-10-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Tiger Lake is the followon to Ice Lake. PPERF and SMI_COUNT MSRs are
also supported.
The External Design Specification (EDS) is not published yet. It comes
from an authoritative internal source.
The patch has been tested on real hardware.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/1570549810-25049-9-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Tiger Lake is the followon to Ice Lake. From the perspective of Intel
core PMU, there is little changes compared with Ice Lake, e.g. small
changes in event list. But it doesn't impact on core PMU functionality.
Share the perf code with Ice Lake. The event list patch will be submitted
later separately.
The patch has been tested on real hardware.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/1570549810-25049-8-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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There is no Core C3 C-State counter for Ice Lake.
Package C8/C9/C10 C-State counters are added for Ice Lake.
Introduce a new event list, icl_cstates, for Ice Lake.
Update the comments accordingly.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: f08c47d1f86c ("perf/x86/intel/cstate: Add Icelake support")
Link: https://lkml.kernel.org/r/1570549810-25049-7-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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PPERF and SMI_COUNT MSRs are also supported by Ice Lake desktop and
server.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/1570549810-25049-6-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Comet Lake is the new 10th Gen Intel processor. From the perspective of
Intel cstate residency counters, there is nothing changed compared with
Kaby Lake.
Share hswult_cstates with Kaby Lake.
Update the comments for Comet Lake.
Kaby Lake is missed in the comments for some Residency Counters. Update
the comments for Kaby Lake as well.
The External Design Specification (EDS) is not published yet. It comes
from an authoritative internal source.
The patch has been tested on real hardware.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/1570549810-25049-5-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Comet Lake is the new 10th Gen Intel processor. PPERF and SMI_COUNT MSRs
are also supported.
The External Design Specification (EDS) is not published yet. It comes
from an authoritative internal source.
The patch has been tested on real hardware.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/1570549810-25049-4-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Comet Lake is the new 10th Gen Intel processor. From the perspective
of Intel PMU, there is nothing changed compared with Sky Lake.
Share the perf code with Sky Lake.
The patch has been tested on real hardware.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/1570549810-25049-3-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull NFS client bugfixes from Anna Schumaker:
"Stable bugfixes:
- Fix O_DIRECT accounting of number of bytes read/written # v4.1+
Other fixes:
- Fix nfsi->nrequests count error on nfs_inode_remove_request()
- Remove redundant mirror tracking in O_DIRECT
- Fix leak of clp->cl_acceptor string
- Fix race to sk_err after xs_error_report"
* tag 'nfs-for-5.4-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
SUNRPC: fix race to sk_err after xs_error_report
NFSv4: Fix leak of clp->cl_acceptor string
NFS: Remove redundant mirror tracking in O_DIRECT
NFS: Fix O_DIRECT accounting of number of bytes read/written
nfs: Fix nfsi->nrequests count error on nfs_inode_remove_request
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Pull cifs fixes from Steve French:
"Eight small SMB3 fixes, four for stable, and important fix for the
recent regression introduced by filesystem timestamp range patches"
* tag '5.4-rc2-smb3' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: Force reval dentry if LOOKUP_REVAL flag is set
CIFS: Force revalidate inode when dentry is stale
smb3: Fix regression in time handling
smb3: remove noisy debug message and minor cleanup
CIFS: Gracefully handle QueryInfo errors during open
cifs: use cifsInodeInfo->open_file_lock while iterating to avoid a panic
fs: cifs: mute -Wunused-const-variable message
smb3: cleanup some recent endian errors spotted by updated sparse
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git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull module fixes from Jessica Yu:
"Code cleanups and kbuild/namespace related fixups from Masahiro.
Most importantly, it fixes a namespace-related modpost issue for
external module builds
- Fix broken external module builds due to a modpost bug in
read_dump(), where the namespace was not being strdup'd and
sym->namespace would be set to bogus data.
- Various namespace-related kbuild fixes and cleanups thanks to
Masahiro Yamada"
* tag 'modules-for-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
doc: move namespaces.rst from kbuild/ to core-api/
nsdeps: make generated patches independent of locale
nsdeps: fix hashbang of scripts/nsdeps
kbuild: fix build error of 'make nsdeps' in clean tree
module: rename __kstrtab_ns_* to __kstrtabns_* to avoid symbol conflict
modpost: fix broken sym->namespace for external module builds
module: swap the order of symbol.namespace
scripts: add_namespace: Fix coccicheck failed
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V fixes from Sasha Levin:
"Two fixes from Dexuan Cui:
- Fix a (harmless) warning when building vmbus without
CONFIG_PM_SLEEP
- Fix for a memory leak (and optimization) in the hyperv mouse code"
* tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
Drivers: hv: vmbus: Fix harmless building warnings without CONFIG_PM_SLEEP
HID: hyperv: Use in-place iterator API in the channel callback
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Describe the fallthrough pseudo-keyword.
Convert the coding-style.rst example to the keyword style.
Add description and links to deprecated.rst.
Miguel Ojeda comments on the eventual [[fallthrough]] syntax:
"Note that C17/C18 does not have [[fallthrough]].
C++17 introduced it, as it is mentioned above. I would keep the
__attribute__((fallthrough)) -> [[fallthrough]] change you did,
though, since that is indeed the standard syntax (given the paragraph
references C++17).
I was told by Aaron Ballman (who is proposing them for C) that it is
more or less likely that it becomes standardized in C2x. However, it
is still not added to the draft (other attributes are already,
though). See N2268 and N2269:
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2268.pdf (fallthrough)
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2269.pdf (attributes in general)"
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Reserve the pseudo keyword 'fallthrough' for the ability to convert the
various case block /* fallthrough */ style comments to appear to be an
actual reserved word with the same gcc case block missing fallthrough
warning capability.
All switch/case blocks now should end in one of:
break;
fallthrough;
goto <label>;
return [expression];
continue;
In C mode, GCC supports the __fallthrough__ attribute since 7.1,
the same time the warning and the comment parsing were introduced.
fallthrough devolves to an empty "do {} while (0)" if the compiler
version (any version less than gcc 7) does not support the attribute.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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fallthrough will become a pseudo reserved keyword so this only use of
fallthrough is better renamed to allow it.
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull drm fixes from Dave Airlie:
"The regular fixes pull for rc3. The i915 team found some fixes they
(or I) missed for rc1, which is why this is a bit bigger than usual,
otherwise there is a single amdgpu fix, some spi panel aliases, and a
bridge fix.
i915:
- execlist access fixes
- list deletion fix
- CML display fix
- HSW workaround extension to GT2
- chicken bit whitelist
- GGTT resume issue
- SKL GPU hangs for Vulkan compute
amdgpu:
- memory leak fix
panel:
- spi aliases
tc358767:
- bridge artifacts fix"
* tag 'drm-fixes-2019-10-11' of git://anongit.freedesktop.org/drm/drm: (22 commits)
drm/bridge: tc358767: fix max_tu_symbol value
drm/i915/gt: execlists->active is serialised by the tasklet
drm/i915/execlists: Protect peeking at execlists->active
drm/i915: Fixup preempt-to-busy vs reset of a virtual request
drm/i915: Only enqueue already completed requests
drm/i915/execlists: Drop redundant list_del_init(&rq->sched.link)
drm/i915/cml: Add second PCH ID for CMP
drm/amdgpu: fix memory leak
drm/panel: tpo-td043mtea1: Fix SPI alias
drm/panel: tpo-td028ttec1: Fix SPI alias
drm/panel: sony-acx565akm: Fix SPI alias
drm/panel: nec-nl8048hl11: Fix SPI alias
drm/panel: lg-lb035q02: Fix SPI alias
drm/i915: Mark contents as dirty on a write fault
drm/i915: Prevent bonded requests from overtaking each other on preemption
drm/i915: Bump skl+ max plane width to 5k for linear/x-tiled
drm/i915: Verify the engine after acquiring the active.lock
drm/i915: Extend Haswell GT1 PSMI workaround to all
drm/i915: Don't mix srcu tag and negative error codes
drm/i915: Whitelist COMMON_SLICE_CHICKEN2
...
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Pull block fixes from Jens Axboe:
- Fix wbt performance regression introduced with the blk-rq-qos
refactoring (Harshad)
- Fix io_uring fileset removal inadvertently killing the workqueue (me)
- Fix io_uring typo in linked command nonblock submission (Pavel)
- Remove spurious io_uring wakeups on request free (Pavel)
- Fix null_blk zoned command error return (Keith)
- Don't use freezable workqueues for backing_dev, also means we can
revert a previous libata hack (Mika)
- Fix nbd sysfs mutex dropped too soon at removal time (Xiubo)
* tag 'for-linus-20191010' of git://git.kernel.dk/linux-block:
nbd: fix possible sysfs duplicate warning
null_blk: Fix zoned command return code
io_uring: only flush workqueues on fileset removal
io_uring: remove wait loop spurious wakeups
blk-wbt: fix performance regression in wbt scale_up/scale_down
Revert "libata, freezer: avoid block device removal while system is frozen"
bdi: Do not use freezable workqueue
io_uring: fix reversed nonblock flag for link submission
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Depending on inlining decisions by the compiler, __get/put_user_fn
might become out of line. Then the compiler is no longer able to tell
that size can only be 1,2,4 or 8 due to the check in __get/put_user
resulting in false positives like
./arch/s390/include/asm/uaccess.h: In function ‘__put_user_fn’:
./arch/s390/include/asm/uaccess.h:113:9: warning: ‘rc’ may be used uninitialized in this function [-Wmaybe-uninitialized]
113 | return rc;
| ^~
./arch/s390/include/asm/uaccess.h: In function ‘__get_user_fn’:
./arch/s390/include/asm/uaccess.h:143:9: warning: ‘rc’ may be used uninitialized in this function [-Wmaybe-uninitialized]
143 | return rc;
| ^~
These functions are supposed to be always inlined. Mark it as such.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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Commit 4b708b7b1a2c ("firmware: google: check if size is valid when
decoding VPD data") adds length checks, but the new vpd_decode_entry()
function botched the logic -- it adds the key length twice, instead of
adding the key and value lengths separately.
On my local system, this means vpd.c's vpd_section_create_attribs() hits
an error case after the first attribute it parses, since it's no longer
looking at the correct offset. With this patch, I'm back to seeing all
the correct attributes in /sys/firmware/vpd/...
Fixes: 4b708b7b1a2c ("firmware: google: check if size is valid when decoding VPD data")
Cc: <stable@vger.kernel.org>
Cc: Hung-Te Lin <hungte@chromium.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20190930214522.240680-1-briannorris@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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I'm interested in kdb / kgdb and have sent various fixes over the
years. I'd like to get CCed on patches so I can be aware of them and
also help review.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20190920104404.1.I237e68e8825e2d6ac26f8e847f521fe2fcc3705a@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The spu_fs_context was not set in fc->fs_private, this caused a crash
when accessing ctx->mode in spufs_create_root().
Fixes: d2e0981c3b9a ("vfs: Convert spufs to use the new mount API")
Signed-off-by: Emmanuel Nicolet <emmanuel.nicolet@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20191008141342.GA266797@gmail.com
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We have two ways a request can be deferred:
1) It's a regular request that depends on another one
2) It's a timeout that tracks completions
We have a shared helper to determine whether to defer, and that
attempts to make the right decision based on the request. But we
only have some of this information in the caller. Un-share the
two timeout/defer helpers so the caller can use the right one.
Fixes: 5262f567987d ("io_uring: IORING_OP_TIMEOUT support")
Reported-by: yangerkun <yangerkun@huawei.com>
Reviewed-by: Jackie Liu <liuyun01@kylinos.cn>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix CML display by adding a missing ID.
- Drop redundant list_del_init
- Only enqueue already completed requests to avoid races
- Fixup preempt-to-busy vs reset of a virtual request
- Protect peeking at execlists->active
- execlists->active is serialised by the tasklet
drm-intel-next-fixes-2019-09-19:
- Extend old HSW workaround to fix some GPU hangs on Haswell GT2
- Fix return error code on GEM mmap.
- White list a chicken bit register for push constants legacy mode on Mesa
- Fix resume issue related to GGTT restore
- Remove incorrect BUG_ON on execlist's schedule-out
- Fix unrecoverable GPU hangs with Vulkan compute workloads on SKL
drm-intel-next-fixes-2019-09-26:
- Fix concurrence on cases where requests where getting retired at same time as resubmitted to HW
- Fix gen9 display resolutions by setting the right max plane width
- Fix GPU hang on preemption
- Mark contents as dirty on a write fault. This was breaking cursor sprite with dumb buffers.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010143039.GA15313@intel.com
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
drm-fixes-5.4-2019-10-09:
amdgpu:
- fix memory leak in bo_list ioctl error path
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010031023.23359-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Short summary of fixes pull (less than what git shortlog provides):
- SPI Aliases fixes for panels
- One fix for the tc358767 bridge dealing with visual artifacts
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191010105137.j6juxht5dsobgxph@gilmour
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Since commit 4f8943f80883 ("SUNRPC: Replace direct task wakeups from
softirq context") there has been a race to the value of the sk_err if both
XPRT_SOCK_WAKE_ERROR and XPRT_SOCK_WAKE_DISCONNECT are set. In that case,
we may end up losing the sk_err value that existed when xs_error_report was
called.
Fix this by reverting to the previous behavior: instead of using SO_ERROR
to retrieve the value at a later time (which might also return sk_err_soft),
copy the sk_err value onto struct sock_xprt, and use that value to wake
pending tasks.
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Fixes: 4f8943f80883 ("SUNRPC: Replace direct task wakeups from softirq context")
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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Our client can issue multiple SETCLIENTID operations to the same
server in some circumstances. Ensure that calls to
nfs4_proc_setclientid() after the first one do not overwrite the
previously allocated cl_acceptor string.
unreferenced object 0xffff888461031800 (size 32):
comm "mount.nfs", pid 2227, jiffies 4294822467 (age 1407.749s)
hex dump (first 32 bytes):
6e 66 73 40 6b 6c 69 6d 74 2e 69 62 2e 31 30 31 nfs@klimt.ib.101
35 67 72 61 6e 67 65 72 2e 6e 65 74 00 00 00 00 5granger.net....
backtrace:
[<00000000ab820188>] __kmalloc+0x128/0x176
[<00000000eeaf4ec8>] gss_stringify_acceptor+0xbd/0x1a7 [auth_rpcgss]
[<00000000e85e3382>] nfs4_proc_setclientid+0x34e/0x46c [nfsv4]
[<000000003d9cf1fa>] nfs40_discover_server_trunking+0x7a/0xed [nfsv4]
[<00000000b81c3787>] nfs4_discover_server_trunking+0x81/0x244 [nfsv4]
[<000000000801b55f>] nfs4_init_client+0x1b0/0x238 [nfsv4]
[<00000000977daf7f>] nfs4_set_client+0xfe/0x14d [nfsv4]
[<0000000053a68a2a>] nfs4_create_server+0x107/0x1db [nfsv4]
[<0000000088262019>] nfs4_remote_mount+0x2c/0x59 [nfsv4]
[<00000000e84a2fd0>] legacy_get_tree+0x2d/0x4c
[<00000000797e947c>] vfs_get_tree+0x20/0xc7
[<00000000ecabaaa8>] fc_mount+0xe/0x36
[<00000000f15fafc2>] vfs_kern_mount+0x74/0x8d
[<00000000a3ff4e26>] nfs_do_root_mount+0x8a/0xa3 [nfsv4]
[<00000000d1c2b337>] nfs4_try_mount+0x58/0xad [nfsv4]
[<000000004c9bddee>] nfs_fs_mount+0x820/0x869 [nfs]
Fixes: f11b2a1cfbf5 ("nfs4: copy acceptor name from context ... ")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
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GCC 9.x automatically enables support for Loongson MMI instructions when
using some -march= flags, and then errors out when -msoft-float is
specified with:
cc1: error: ‘-mloongson-mmi’ must be used with ‘-mhard-float’
The kernel shouldn't be using these MMI instructions anyway, just as it
doesn't use floating point instructions. Explicitly disable them in
order to fix the build with GCC 9.x.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Fixes: 3702bba5eb4f ("MIPS: Loongson: Add GCC 4.4 support for Loongson2E")
Fixes: 6f7a251a259e ("MIPS: Loongson: Add basic Loongson 2F support")
Fixes: 5188129b8c9f ("MIPS: Loongson-3: Improve -march option and move it to Platform")
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: stable@vger.kernel.org # v2.6.32+
Cc: linux-mips@vger.kernel.org
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A Golang developer reported MIPS hwcap isn't reflecting instructions
that the processor actually supported so programs can't apply optimized
code at runtime.
Thus we export the ASEs that can be used in userspace programs.
Reported-by: Meng Zhuo <mengzhuo1203@gmail.com>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: linux-mips@vger.kernel.org
Cc: Paul Burton <paul.burton@mips.com>
Cc: <stable@vger.kernel.org> # 4.14+
Signed-off-by: Paul Burton <paul.burton@mips.com>
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Pull xfs fixes from Darrick Wong:
"A couple of small code cleanups and bug fixes for rounding errors,
metadata logging errors, and an extra layer of safeguards against
leaking memory contents.
- Fix a rounding error in the fallocate code
- Minor code cleanups
- Make sure to zero memory buffers before formatting metadata blocks
- Fix a few places where we forgot to log an inode metadata update
- Remove broken error handling that tried to clean up after a failure
but still got it wrong"
* tag 'xfs-5.4-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: move local to extent inode logging into bmap helper
xfs: remove broken error handling on failed attr sf to leaf change
xfs: log the inode on directory sf to block format change
xfs: assure zeroed memory buffers for certain kmem allocations
xfs: removed unused error variable from xchk_refcountbt_rec
xfs: remove unused flags arg from xfs_get_aghdr_buf()
xfs: Fix tail rounding in xfs_alloc_file_space()
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1. nbd_put takes the mutex and drops nbd->ref to 0. It then does
idr_remove and drops the mutex.
2. nbd_genl_connect takes the mutex. idr_find/idr_for_each fails
to find an existing device, so it does nbd_dev_add.
3. just before the nbd_put could call nbd_dev_remove or not finished
totally, but if nbd_dev_add try to add_disk, we can hit:
debugfs: Directory 'nbd1' with parent 'block' already present!
This patch will make sure all the disk add/remove stuff are done
by holding the nbd_index_mutex lock.
Reported-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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As the removed comments say, these aren't DT based devices.
of_dma_configure() is going to stop allowing a NULL DT node and calling
it will no longer work.
The comment is also now out of date as of commit 9ab91e7c5c51 ("arm64:
default to the direct mapping in get_arch_dma_ops"). Direct mapping
is now the default rather than dma_dummy_ops.
According to Stefano and Oleksandr, the only other part needed is
setting the DMA masks and there's no reason to restrict the masks to
32-bits. So set the masks to 64 bits.
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Julien Grall <julien.grall@arm.com>
Cc: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: xen-devel@lists.xenproject.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"Fix build issues in arm/aes-ce"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: arm/aes-ce - add dependency on AES library
crypto: arm/aes-ce - build for v8 architecture explicitly
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few more stabitly fixes, one build warning fix.
- fix inode allocation under NOFS context
- fix leak in fiemap due to concurrent append writes
- fix log-root tree updates
- fix balance convert of single profile on 32bit architectures
- silence false positive warning on old GCCs (code moved in rc1)"
* tag 'for-5.4-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: silence maybe-uninitialized warning in clone_range
btrfs: fix uninitialized ret in ref-verify
btrfs: allocate new inode in NOFS context
btrfs: fix balance convert to single on 32-bit host CPUs
btrfs: fix incorrect updating of log root tree
Btrfs: fix memory leak due to concurrent append writes with fiemap
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull dcache_readdir() fixes from Al Viro:
"The couple of patches you'd been OK with; no hlist conversion yet, and
cursors are still in the list of children"
[ Al is referring to future work to avoid some nasty O(n**2) behavior
with the readdir cursors when you have lots of concurrent readdirs.
This is just a fix for a race with a trivial cleanup - Linus ]
* 'work.dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
libfs: take cursors out of list when moving past the end of directory
Fix the locking in dcache_readdir() and friends
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull mount fixes from Al Viro:
"A couple of regressions from the mount series"
* 'work.mount3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: add missing blkdev_put() in get_tree_bdev()
shmem: fix LSM options parsing
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At the end of the v5.3 upstream kernel development cycle, Simon stepped
down from his role as Renesas SoC maintainer.
Remove his maintainership, git repository, and branch from the
MAINTAINERS file, and add an entry to the CREDITS file to honor his
work.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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xen_auto_xlat_grant_frames.vaddr is definitely NULL in this case.
So the address printing is unnecessary.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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If CRC16 is not set, building will fails:
drivers/w1/slaves/w1_ds250x.o: In function `w1_ds2505_read_page':
w1_ds250x.c:(.text+0x82f): undefined reference to `crc16'
w1_ds250x.c:(.text+0x90a): undefined reference to `crc16'
w1_ds250x.c:(.text+0x91a): undefined reference to `crc16'
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 25ec8710d9c2 ("w1: add DS2501, DS2502, DS2505 EPROM device driver")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20190920060318.35020-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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