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57a315cd71
1045824 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
57a315cd71 |
Time, timers and timekeeping updates:
- No core updates
- No new clocksource/event driver
- A large rework of the ARM architected timer driver to prepare for the
support of the upcoming ARMv8.6 support
- Fix Kconfig options for Exynos MCT, Samsung PWM and TI DM timers
- Address a namespace collison in the ARC sp804 timer driver
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Merge tag 'timers-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Time, timers and timekeeping updates:
- No core updates
- No new clocksource/event driver
- A large rework of the ARM architected timer driver to prepare for
the support of the upcoming ARMv8.6 support
- Fix Kconfig options for Exynos MCT, Samsung PWM and TI DM timers
- Address a namespace collison in the ARC sp804 timer driver"
* tag 'timers-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/timer-ti-dm: Select TIMER_OF
clocksource/drivers/exynosy: Depend on sub-architecture for Exynos MCT and Samsung PWM
clocksource/drivers/arch_arm_timer: Move workaround synchronisation around
clocksource/drivers/arm_arch_timer: Fix masking for high freq counters
clocksource/drivers/arm_arch_timer: Drop unnecessary ISB on CVAL programming
clocksource/drivers/arm_arch_timer: Remove any trace of the TVAL programming interface
clocksource/drivers/arm_arch_timer: Work around broken CVAL implementations
clocksource/drivers/arm_arch_timer: Advertise 56bit timer to the core code
clocksource/drivers/arm_arch_timer: Move MMIO timer programming over to CVAL
clocksource/drivers/arm_arch_timer: Fix MMIO base address vs callback ordering issue
clocksource/drivers/arm_arch_timer: Move drop _tval from erratum function names
clocksource/drivers/arm_arch_timer: Move system register timer programming over to CVAL
clocksource/drivers/arm_arch_timer: Extend write side of timer register accessors to u64
clocksource/drivers/arm_arch_timer: Drop CNT*_TVAL read accessors
clocksource/arm_arch_timer: Add build-time guards for unhandled register accesses
clocksource/drivers/arc_timer: Eliminate redefined macro error
|
||
|
Linus Torvalds
|
43aa0a195f |
objtool updates:
- Improve retpoline code patching by separating it from alternatives which
reduces memory footprint and allows to do better optimizations in the
actual runtime patching.
- Add proper retpoline support for x86/BPF
- Address noinstr warnings in x86/kvm, lockdep and paravirtualization code
- Add support to handle pv_opsindirect calls in the noinstr analysis
- Classify symbols upfront and cache the result to avoid redundant
str*cmp() invocations.
- Add a CFI hash to reduce memory consumption which also reduces runtime
on a allyesconfig by ~50%
- Adjust XEN code to make objtool handling more robust and as a side
effect to prevent text fragmentation due to placement of the hypercall
page.
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Merge tag 'objtool-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Thomas Gleixner:
- Improve retpoline code patching by separating it from alternatives
which reduces memory footprint and allows to do better optimizations
in the actual runtime patching.
- Add proper retpoline support for x86/BPF
- Address noinstr warnings in x86/kvm, lockdep and paravirtualization
code
- Add support to handle pv_opsindirect calls in the noinstr analysis
- Classify symbols upfront and cache the result to avoid redundant
str*cmp() invocations.
- Add a CFI hash to reduce memory consumption which also reduces
runtime on a allyesconfig by ~50%
- Adjust XEN code to make objtool handling more robust and as a side
effect to prevent text fragmentation due to placement of the
hypercall page.
* tag 'objtool-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
bpf,x86: Respect X86_FEATURE_RETPOLINE*
bpf,x86: Simplify computing label offsets
x86,bugs: Unconditionally allow spectre_v2=retpoline,amd
x86/alternative: Add debug prints to apply_retpolines()
x86/alternative: Try inline spectre_v2=retpoline,amd
x86/alternative: Handle Jcc __x86_indirect_thunk_\reg
x86/alternative: Implement .retpoline_sites support
x86/retpoline: Create a retpoline thunk array
x86/retpoline: Move the retpoline thunk declarations to nospec-branch.h
x86/asm: Fixup odd GEN-for-each-reg.h usage
x86/asm: Fix register order
x86/retpoline: Remove unused replacement symbols
objtool,x86: Replace alternatives with .retpoline_sites
objtool: Shrink struct instruction
objtool: Explicitly avoid self modifying code in .altinstr_replacement
objtool: Classify symbols
objtool: Support pv_opsindirect calls for noinstr
x86/xen: Rework the xen_{cpu,irq,mmu}_opsarrays
x86/xen: Mark xen_force_evtchn_callback() noinstr
x86/xen: Make irq_disable() noinstr
...
|
||
|
Linus Torvalds
|
595b28fb0c |
Locking updates:
- Move futex code into kernel/futex/ and split up the kitchen sink into
seperate files to make integration of sys_futex_waitv() simpler.
- Add a new sys_futex_waitv() syscall which allows to wait on multiple
futexes. The main use case is emulating Windows' WaitForMultipleObjects
which allows Wine to improve the performance of Windows Games. Also
native Linux games can benefit from this interface as this is a common
wait pattern for this kind of applications.
- Add context to ww_mutex_trylock() to provide a path for i915 to rework
their eviction code step by step without making lockdep upset until the
final steps of rework are completed. It's also useful for regulator and
TTM to avoid dropping locks in the non contended path.
- Lockdep and might_sleep() cleanups and improvements
- A few improvements for the RT substitutions.
- The usual small improvements and cleanups.
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Merge tag 'locking-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Thomas Gleixner:
- Move futex code into kernel/futex/ and split up the kitchen sink into
seperate files to make integration of sys_futex_waitv() simpler.
- Add a new sys_futex_waitv() syscall which allows to wait on multiple
futexes.
The main use case is emulating Windows' WaitForMultipleObjects which
allows Wine to improve the performance of Windows Games. Also native
Linux games can benefit from this interface as this is a common wait
pattern for this kind of applications.
- Add context to ww_mutex_trylock() to provide a path for i915 to
rework their eviction code step by step without making lockdep upset
until the final steps of rework are completed. It's also useful for
regulator and TTM to avoid dropping locks in the non contended path.
- Lockdep and might_sleep() cleanups and improvements
- A few improvements for the RT substitutions.
- The usual small improvements and cleanups.
* tag 'locking-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
locking: Remove spin_lock_flags() etc
locking/rwsem: Fix comments about reader optimistic lock stealing conditions
locking: Remove rcu_read_{,un}lock() for preempt_{dis,en}able()
locking/rwsem: Disable preemption for spinning region
docs: futex: Fix kernel-doc references
futex: Fix PREEMPT_RT build
futex2: Documentation: Document sys_futex_waitv() uAPI
selftests: futex: Test sys_futex_waitv() wouldblock
selftests: futex: Test sys_futex_waitv() timeout
selftests: futex: Add sys_futex_waitv() test
futex,arm: Wire up sys_futex_waitv()
futex,x86: Wire up sys_futex_waitv()
futex: Implement sys_futex_waitv()
futex: Simplify double_lock_hb()
futex: Split out wait/wake
futex: Split out requeue
futex: Rename mark_wake_futex()
futex: Rename: match_futex()
futex: Rename: hb_waiter_{inc,dec,pending}()
futex: Split out PI futex
...
|
||
|
Linus Torvalds
|
91e1c99e17 |
perf updates:
core:
- Allow ftrace to instrument parts of the perf core code
- Add a new mem_hops field to perf_mem_data_src which allows to represent
intra-node/package or inter-node/off-package details to prepare for
next generation systems which have more hieararchy within the
node/pacakge level.
tools:
- Update for the new mem_hops field in perf_mem_data_src
arch:
- A set of constraints fixes for the Intel uncore PMU
- The usual set of small fixes and improvements for x86 and PPC
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Merge tag 'perf-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Thomas Gleixner:
"Core:
- Allow ftrace to instrument parts of the perf core code
- Add a new mem_hops field to perf_mem_data_src which allows to
represent intra-node/package or inter-node/off-package details to
prepare for next generation systems which have more hieararchy
within the node/pacakge level.
Tools:
- Update for the new mem_hops field in perf_mem_data_src
Arch:
- A set of constraints fixes for the Intel uncore PMU
- The usual set of small fixes and improvements for x86 and PPC"
* tag 'perf-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Fix ICL/SPR INST_RETIRED.PREC_DIST encodings
powerpc/perf: Fix data source encodings for L2.1 and L3.1 accesses
tools/perf: Add mem_hops field in perf_mem_data_src structure
perf: Add mem_hops field in perf_mem_data_src structure
perf: Add comment about current state of PERF_MEM_LVL_* namespace and remove an extra line
perf/core: Allow ftrace for functions in kernel/event/core.c
perf/x86: Add new event for AUX output counter index
perf/x86: Add compiler barrier after updating BTS
perf/x86/intel/uncore: Fix Intel SPR M3UPI event constraints
perf/x86/intel/uncore: Fix Intel SPR M2PCIE event constraints
perf/x86/intel/uncore: Fix Intel SPR IIO event constraints
perf/x86/intel/uncore: Fix Intel SPR CHA event constraints
perf/x86/intel/uncore: Fix Intel ICX IIO event constraints
perf/x86/intel/uncore: Fix invalid unit check
perf/x86/intel/uncore: Support extra IMC channel on Ice Lake server
|
||
|
Linus Torvalds
|
5a47ebe98e |
Updates for the interrupt subsystem:
Core changes:
- Prevent a potential deadlock when initial priority is assigned to a
newly created interrupt thread. A recent change to plug a race between
cpuset and __sched_setscheduler() introduced a new lock dependency
which is now triggered. Break the lock dependency chain by moving the
priority assignment to the thread function.
- A couple of small updates to make the irq core RT safe.
- Confine the irq_cpu_online/offline() API to the only left unfixable
user Cavium Octeon so that it does not grow new usage.
- A small documentation update
Driver changes:
- A large cross architecture rework to move irq_enter/exit() into the
architecture code to make addressing the NOHZ_FULL/RCU issues simpler.
- The obligatory new irq chip driver for Microchip EIC
- Modularize a few irq chip drivers
- Expand usage of devm_*() helpers throughout the driver code
- The usual small fixes and improvements all over the place
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Merge tag 'irq-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates for the interrupt subsystem:
Core changes:
- Prevent a potential deadlock when initial priority is assigned to a
newly created interrupt thread. A recent change to plug a race
between cpuset and __sched_setscheduler() introduced a new lock
dependency which is now triggered. Break the lock dependency chain
by moving the priority assignment to the thread function.
- A couple of small updates to make the irq core RT safe.
- Confine the irq_cpu_online/offline() API to the only left unfixable
user Cavium Octeon so that it does not grow new usage.
- A small documentation update
Driver changes:
- A large cross architecture rework to move irq_enter/exit() into the
architecture code to make addressing the NOHZ_FULL/RCU issues
simpler.
- The obligatory new irq chip driver for Microchip EIC
- Modularize a few irq chip drivers
- Expand usage of devm_*() helpers throughout the driver code
- The usual small fixes and improvements all over the place"
* tag 'irq-core-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (53 commits)
h8300: Fix linux/irqchip.h include mess
dt-bindings: irqchip: renesas-irqc: Document r8a774e1 bindings
MIPS: irq: Avoid an unused-variable error
genirq: Hide irq_cpu_{on,off}line() behind a deprecated option
irqchip/mips-gic: Get rid of the reliance on irq_cpu_online()
MIPS: loongson64: Drop call to irq_cpu_offline()
irq: remove handle_domain_{irq,nmi}()
irq: remove CONFIG_HANDLE_DOMAIN_IRQ_IRQENTRY
irq: riscv: perform irqentry in entry code
irq: openrisc: perform irqentry in entry code
irq: csky: perform irqentry in entry code
irq: arm64: perform irqentry in entry code
irq: arm: perform irqentry in entry code
irq: add a (temporary) CONFIG_HANDLE_DOMAIN_IRQ_IRQENTRY
irq: nds32: avoid CONFIG_HANDLE_DOMAIN_IRQ
irq: arc: avoid CONFIG_HANDLE_DOMAIN_IRQ
irq: add generic_handle_arch_irq()
irq: unexport handle_irq_desc()
irq: simplify handle_domain_{irq,nmi}()
irq: mips: simplify do_domain_IRQ()
...
|
||
|
Linus Torvalds
|
037c50bfbe |
for-5.16-tag
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Merge tag 'for-5.16-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"The updates this time are more under the hood and enhancing existing
features (subpage with compression and zoned namespaces).
Performance related:
- misc small inode logging improvements (+3% throughput, -11% latency
on sample dbench workload)
- more efficient directory logging: bulk item insertion, less tree
searches and locking
- speed up bulk insertion of items into a b-tree, which is used when
logging directories, when running delayed items for directories
(fsync and transaction commits) and when running the slow path
(full sync) of an fsync (bulk creation run time -4%, deletion -12%)
Core:
- continued subpage support
- make defragmentation work
- make compression write work
- zoned mode
- support ZNS (zoned namespaces), zone capacity is number of
usable blocks in each zone
- add dedicated block group (zoned) for relocation, to prevent
out of order writes in some cases
- greedy block group reclaim, pick the ones with least usable
space first
- preparatory work for send protocol updates
- error handling improvements
- cleanups and refactoring
Fixes:
- lockdep warnings
- in show_devname callback, on seeding device
- device delete on loop device due to conversions to workqueues
- fix deadlock between chunk allocation and chunk btree modifications
- fix tracking of missing device count and status"
* tag 'for-5.16-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (140 commits)
btrfs: remove root argument from check_item_in_log()
btrfs: remove root argument from add_link()
btrfs: remove root argument from btrfs_unlink_inode()
btrfs: remove root argument from drop_one_dir_item()
btrfs: clear MISSING device status bit in btrfs_close_one_device
btrfs: call btrfs_check_rw_degradable only if there is a missing device
btrfs: send: prepare for v2 protocol
btrfs: fix comment about sector sizes supported in 64K systems
btrfs: update device path inode time instead of bd_inode
fs: export an inode_update_time helper
btrfs: fix deadlock when defragging transparent huge pages
btrfs: sysfs: convert scnprintf and snprintf to sysfs_emit
btrfs: make btrfs_super_block size match BTRFS_SUPER_INFO_SIZE
btrfs: update comments for chunk allocation -ENOSPC cases
btrfs: fix deadlock between chunk allocation and chunk btree modifications
btrfs: zoned: use greedy gc for auto reclaim
btrfs: check-integrity: stop storing the block device name in btrfsic_dev_state
btrfs: use btrfs_get_dev_args_from_path in dev removal ioctls
btrfs: add a btrfs_get_dev_args_from_path helper
btrfs: handle device lookup with btrfs_dev_lookup_args
...
|
||
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Linus Torvalds
|
2cf3f8133b |
btrfs: fix lzo_decompress_bio() kmap leakage
Commit |
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Linus Torvalds
|
9c6e8d52a7 |
Description for this pull request:
- Fix ->i_blocks truncation issue caused by wrong 32bit mask. -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEE6NzKS6Uv/XAAGHgyZwv7A1FEIQgFAmF/KeYWHGxpbmtpbmpl b25Aa2VybmVsLm9yZwAKCRBnC/sDUUQhCHlKEADF2SpjT2NJb9H+H8bwLwLA8uF9 00dDUjcZOwqiEjpeVXwRf/6dIdZWv40+xtl3r0t7I9q0yh83nDgu9PvDmHNdN4/4 iLZOGh5Y6OfAm/uN1D5ZQ39XPZ9z5G0f3Ht+Hn2L+0Cyb8Nn9SjhIrbARK3f4wr2 1YbbeYe0NzFCwveeTBCfHQRzr3+6wsc0qL3lNxJ20m3f3KFGzscQZRrNF5KNeZRW S4JyK0IxfcVQGLOVu5ytpNtMmE2wErJ1wNnhj9Qiqd05FchNd3ciRg5Sg/fbcBbE IhMZM9VFcIwJyolqTosSWk9bC6h/mc68h1AUYv5mm3+WDqVFuXmGHP/gDYvqjGSp Ks2/7elrTrj+IsxTmt0On9bQCpzEm47kBapsltBPSDupMGIZ+k7JHRMV+2FnVztC A812kJnsy9mtDA2UmCDpeKb8KQchpTUIILjP3nn4uL2tA4QOKVr8M7GLxErqbaii gE9NnvZ1A0Jh/U833icpZrvpDG3+PMizciMc5h7XZCK00N++As/QrimHvfkr+mpv s0oM+xVgre8RGpV21yJdUmiYh4EaFmHAe4dBrVoG2x/lsmGvS/8VeGdXKsQPcLsP dwNwJ2XRf6yqcubVHkBQ/EIYwaYzst7haTB1xBl8LFVFnlWZlSD1MVENVJK2n8kG cEUWhbvqfmxm1sDj3A== =QC9p -----END PGP SIGNATURE----- Merge tag 'exfat-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat Pull exfat fix from Namjae Jeon: "Fix ->i_blocks truncation issue caused by wrong 32bit mask" * tag 'exfat-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat: exfat: fix incorrect loading of i_blocks for large files |
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Linus Torvalds
|
67a135b80e |
Changes since last update:
- support multiple devices for multi-layer container images; - support the secondary compression head; - support readmore decompression strategy; - support new LZMA algorithm (specifically called MicroLZMA); - some bugfixes & cleanups. -----BEGIN PGP SIGNATURE----- iIcEABYIAC8WIQThPAmQN9sSA0DVxtI5NzHcH7XmBAUCYX8j7hEceGlhbmdAa2Vy bmVsLm9yZwAKCRA5NzHcH7XmBE+SAQChAmAUav03OQujm8PvVNX7VUGusGNvww8E qu5+zasC8wEArypW2Z75ZZ3IZNPCk6QWFlaC2I5Xnz7NNl0OGPKOCAg= =DZQ4 -----END PGP SIGNATURE----- Merge tag 'erofs-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs Pull erofs updates from Gao Xiang: "There are some new features available for this cycle. Firstly, EROFS LZMA algorithm support, specifically called MicroLZMA, is available as an option for embedded devices, LiveCDs and/or as the secondary auxiliary compression algorithm besides the primary algorithm in one file. In order to better support the LZMA fixed-sized output compression, especially for 4KiB pcluster size (which has lowest memory pressure thus useful for memory-sensitive scenarios), Lasse introduced a new LZMA header/container format called MicroLZMA to minimize the original LZMA1 header (for example, we don't need to waste 4-byte dictionary size and another 8-byte uncompressed size, which can be calculated by fs directly, for each pcluster) and enable EROFS fixed-sized output compression. Note that MicroLZMA can also be later used by other things in addition to EROFS too where wasting minimal amount of space for headers is important and it can be only compiled by enabling XZ_DEC_MICROLZMA. MicroLZMA has been supported by the latest upstream XZ embedded [1] & XZ utils [2], apply the latest related XZ embedded upstream patches by the XZ author Lasse here. Secondly, multiple device is also supported in this cycle, which is designed for multi-layer container images. By working together with inter-layer data deduplication and compression, we can achieve the next high-performance container image solution. Our team will announce the new Nydus container image service [3] implementation with new RAFS v6 (EROFS-compatible) format in Open Source Summit 2021 China [4] soon. Besides, the secondary compression head support and readmore decompression strategy are also included in this cycle. There are also some minor bugfixes and cleanups, as always. Summary: - support multiple devices for multi-layer container images; - support the secondary compression head; - support readmore decompression strategy; - support new LZMA algorithm (specifically called MicroLZMA); - some bugfixes & cleanups" * tag 'erofs-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: don't trigger WARN() when decompression fails erofs: get rid of ->lru usage erofs: lzma compression support erofs: rename some generic methods in decompressor lib/xz, lib/decompress_unxz.c: Fix spelling in comments lib/xz: Add MicroLZMA decoder lib/xz: Move s->lzma.len = 0 initialization to lzma_reset() lib/xz: Validate the value before assigning it to an enum variable lib/xz: Avoid overlapping memcpy() with invalid input with in-place decompression erofs: introduce readmore decompression strategy erofs: introduce the secondary compression head erofs: get compression algorithms directly on mapping erofs: add multiple device support erofs: decouple basic mount options from fs_context erofs: remove the fast path of per-CPU buffer decompression |
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Linus Torvalds
|
cd3e8ea847 |
fscrypt updates for 5.16
Some cleanups for fs/crypto/: - Allow 256-bit master keys with AES-256-XTS - Improve documentation and comments - Remove unneeded field fscrypt_operations::max_namelen -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCYX8U4hQcZWJpZ2dlcnNA Z29vZ2xlLmNvbQAKCRDzXCl4vpKOKyXYAP0d7BNuKsMyw6qlzLMxbaO5wdTg2HaD 04ApVeHM6qp7IQEA/Ve2Mr+BcPOZ7E6io8haZtXs0MrRMYeessKWcWMCdQ0= =2WNZ -----END PGP SIGNATURE----- Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt Pull fscrypt updates from Eric Biggers: "Some cleanups for fs/crypto/: - Allow 256-bit master keys with AES-256-XTS - Improve documentation and comments - Remove unneeded field fscrypt_operations::max_namelen" * tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: fscrypt: improve a few comments fscrypt: allow 256-bit master keys with AES-256-XTS fscrypt: improve documentation for inline encryption fscrypt: clean up comments in bio.c fscrypt: remove fscrypt_operations::max_namelen |
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Linus Torvalds
|
19901165d9 |
for-5.16/inode-sync-2021-10-29
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Linus Torvalds
|
b6773cdb0e |
for-5.16/ki_complete-2021-10-29
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Linus Torvalds
|
71ae42629e |
for-5.16/passthrough-flag-2021-10-29
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Merge tag 'for-5.16/passthrough-flag-2021-10-29' of git://git.kernel.dk/linux-block
Pull QUEUE_FLAG_SCSI_PASSTHROUGH removal from Jens Axboe:
"This contains a series leading to the removal of the
QUEUE_FLAG_SCSI_PASSTHROUGH queue flag"
* tag 'for-5.16/passthrough-flag-2021-10-29' of git://git.kernel.dk/linux-block:
block: remove blk_{get,put}_request
block: remove QUEUE_FLAG_SCSI_PASSTHROUGH
block: remove the initialize_rq_fn blk_mq_ops method
scsi: add a scsi_alloc_request helper
bsg-lib: initialize the bsg_job in bsg_transport_sg_io_fn
nfsd/blocklayout: use ->get_unique_id instead of sending SCSI commands
sd: implement ->get_unique_id
block: add a ->get_unique_id method
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Linus Torvalds
|
737f1cd8a8 |
for-5.16/cdrom-2021-10-29
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Linus Torvalds
|
fcaec17b36 |
for-5.16/scsi-ma-2021-10-29
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Linus Torvalds
|
3f01727f75 |
for-5.16/bdev-size-2021-10-29
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||
|
Linus Torvalds
|
8d1f01775f |
for-5.16/io_uring-2021-10-29
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Merge tag 'for-5.16/io_uring-2021-10-29' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe:
"Light on new features - basically just the hybrid mode support.
Outside of that it's just fixes, cleanups, and performance
improvements.
In detail:
- Add ring related information to the fdinfo output (Hao)
- Hybrid async mode (Hao)
- Support for batched issue on block (me)
- sqe error trace improvement (me)
- IOPOLL efficiency improvements (Pavel)
- submit state cleanups and improvements (Pavel)
- Completion side improvements (Pavel)
- Drain improvements (Pavel)
- Buffer selection cleanups (Pavel)
- Fixed file node improvements (Pavel)
- io-wq setup cancelation fix (Pavel)
- Various other performance improvements and cleanups (Pavel)
- Misc fixes (Arnd, Bixuan, Changcheng, Hao, me, Noah)"
* tag 'for-5.16/io_uring-2021-10-29' of git://git.kernel.dk/linux-block: (97 commits)
io-wq: remove worker to owner tw dependency
io_uring: harder fdinfo sq/cq ring iterating
io_uring: don't assign write hint in the read path
io_uring: clusterise ki_flags access in rw_prep
io_uring: kill unused param from io_file_supports_nowait
io_uring: clean up timeout async_data allocation
io_uring: don't try io-wq polling if not supported
io_uring: check if opcode needs poll first on arming
io_uring: clean iowq submit work cancellation
io_uring: clean io_wq_submit_work()'s main loop
io-wq: use helper for worker refcounting
io_uring: implement async hybrid mode for pollable requests
io_uring: Use ERR_CAST() instead of ERR_PTR(PTR_ERR())
io_uring: split logic of force_nonblock
io_uring: warning about unused-but-set parameter
io_uring: inform block layer of how many requests we are submitting
io_uring: simplify io_file_supports_nowait()
io_uring: combine REQ_F_NOWAIT_{READ,WRITE} flags
io_uring: arm poll for non-nowait files
fs/io_uring: Prioritise checking faster conditions first in io_write
...
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||
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Linus Torvalds
|
643a7234e0 |
for-5.16/drivers-2021-10-29
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Merge tag 'for-5.16/drivers-2021-10-29' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
- paride driver cleanups (Christoph)
- Remove cryptoloop support (Christoph)
- null_blk poll support (me)
- Now that add_disk() supports proper error handling, add it to various
drivers (Luis)
- Make ataflop actually work again (Michael)
- s390 dasd fixes (Stefan, Heiko)
- nbd fixes (Yu, Ye)
- Remove redundant wq flush in mtip32xx (Christophe)
- NVMe updates
- fix a multipath partition scanning deadlock (Hannes Reinecke)
- generate uevent once a multipath namespace is operational again
(Hannes Reinecke)
- support unique discovery controller NQNs (Hannes Reinecke)
- fix use-after-free when a port is removed (Israel Rukshin)
- clear shadow doorbell memory on resets (Keith Busch)
- use struct_size (Len Baker)
- add error handling support for add_disk (Luis Chamberlain)
- limit the maximal queue size for RDMA controllers (Max Gurtovoy)
- use a few more symbolic names (Max Gurtovoy)
- fix error code in nvme_rdma_setup_ctrl (Max Gurtovoy)
- add support for ->map_queues on FC (Saurav Kashyap)
- support the current discovery subsystem entry (Hannes Reinecke)
- use flex_array_size and struct_size (Len Baker)
- bcache fixes (Christoph, Coly, Chao, Lin, Qing)
- MD updates (Christoph, Guoqing, Xiao)
- Misc fixes (Dan, Ding, Jiapeng, Shin'ichiro, Ye)
* tag 'for-5.16/drivers-2021-10-29' of git://git.kernel.dk/linux-block: (117 commits)
null_blk: Fix handling of submit_queues and poll_queues attributes
block: ataflop: Fix warning comparing pointer to 0
bcache: replace snprintf in show functions with sysfs_emit
bcache: move uapi header bcache.h to bcache code directory
nvmet: use flex_array_size and struct_size
nvmet: register discovery subsystem as 'current'
nvmet: switch check for subsystem type
nvme: add new discovery log page entry definitions
block: ataflop: more blk-mq refactoring fixes
block: remove support for cryptoloop and the xor transfer
mtd: add add_disk() error handling
rnbd: add error handling support for add_disk()
um/drivers/ubd_kern: add error handling support for add_disk()
m68k/emu/nfblock: add error handling support for add_disk()
xen-blkfront: add error handling support for add_disk()
bcache: add error handling support for add_disk()
dm: add add_disk() error handling
block: aoe: fixup coccinelle warnings
nvmet: use struct_size over open coded arithmetic
nvme: drop scan_lock and always kick requeue list when removing namespaces
...
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||
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Linus Torvalds
|
33c8846c81 |
for-5.16/block-2021-10-29
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||
|
Linus Torvalds
|
9ac211426f |
File locking changes for v5.16
-----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEES8DXskRxsqGE6vXTAA5oQRlWghUFAmF77NQTHGpsYXl0b25A a2VybmVsLm9yZwAKCRAADmhBGVaCFfP9D/wN8rCAPA2J6SpBjdJXSpSQS4PoAOqC Z002bOc7sq/zg2cWk+pX1aOR/+wUpk+PvaQdyvfO+o4TVCpsTOklRh/yfYuOkJdP PoINUR7vb43/CGqd04YI45+pxOFMJk9JoLkNha0uIY4ukXdt9mA6u/+qBEDboyDQ Jbn1JGitRc9WYaE7BV26ba0l+Deb5h2/4c1DiDlsgmLkDPhpowkOznovUCkBnH7H bfwlssjZ5P0K5ttZDw6VlkC2xE+Yr56BsEco2bXO42LwUHOx6r6ZNp04rh9zh1Zp hFPybgU+ur17EOOmBbCq8aHZqRRcjQQDH/rZ1heHSOfTrEWWth1xNjmeewSgRZHL 0oMi3yIJPwvuDBQPEQg0VD87k5Z8xbRPql6eM6GeGxDZvzXWqqYKW2OYXtNxG91m bGvu2OOGkdF/4WGYBixdjUQb5KjcOqdIFkq3/oHfLQ+cS2uc6eOfnCdxa7cTnTdd BcFDgZmWQDLFs6/DIbwUI0KWMAiLFMZnZACE937JvlE74EGiHu47JMzwcU15J6zO VD0Oq0XsWQN+TgY2RnjuTFqm6DTpbrkgw88sNDr5g3jZbgJZiZ/r/3M55lcBVWvk PFT4fjKhD1mT6/SscAAmOxUKUeDbN7EktiRsZmH9C2sUCERufDb/cmY/RYZ00C4t 01ovPjs7VukS/w== =bcaq -----END PGP SIGNATURE----- Merge tag 'locks-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux Pull file locking updates from Jeff Layton: "Most of this is just follow-on cleanup work of documentation and comments from the mandatory locking removal in v5.15. The only real functional change is that LOCK_MAND flock() support is also being removed, as it has basically been non-functional since the v2.5 days" * tag 'locks-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux: fs: remove leftover comments from mandatory locking removal locks: remove changelog comments docs: fs: locks.rst: update comment about mandatory file locking Documentation: remove reference to now removed mandatory-locking doc locks: remove LOCK_MAND flock lock support |
||
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Linus Torvalds
|
ad98a92466 |
tpmdd updates for Linux v5.16
-----BEGIN PGP SIGNATURE----- iIgEABYIADAWIQRE6pSOnaBC00OEHEIaerohdGur0gUCYXdi4xIcamFya2tvQGtl cm5lbC5vcmcACgkQGnq6IXRrq9LSLgD/cnxDX1yhRPve9udhWlvP4n1e/GRSM5Jy 69mOWRP2MqUBANxayKOcFCWKOFWT4xgepA9/rrf9CjK/Du/Hk5OnpuYJ =NzZ4 -----END PGP SIGNATURE----- Merge tag 'tpmdd-next-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd Pull tpm updates from Jarkko Sakkinen: "Only bug fixes" * tag 'tpmdd-next-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd: tpm_tis_spi: Add missing SPI ID tpm: fix Atmel TPM crash caused by too frequent queries tpm: Check for integer overflow in tpm2_map_response_body() tpm: tis: Kconfig: Add helper dependency on COMPILE_TEST |
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Linus Torvalds
|
49f8275c7d |
Memory folios
Add memory folios, a new type to represent either order-0 pages or the head page of a compound page. This should be enough infrastructure to support filesystems converting from pages to folios. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEejHryeLBw/spnjHrDpNsjXcpgj4FAmF9uI0ACgkQDpNsjXcp gj7MUAf/R7LCZ+xFiIedw7SAgb/DGK0C9uVjuBEIZgAw21ZUw/GuPI6cuKBMFGGf rRcdtlvMpwi7yZJcoNXxaqU/xPaaJMjf2XxscIvYJP1mjlZVuwmP9dOx0neNvWOc T+8lqR6c1TLl82lpqIjGFLwvj2eVowq2d3J5jsaIJFd4odmmYVInrhJXOzC/LQ54 Niloj5ksehf+KUIRLDz7ycppvIHhlVsoAl0eM2dWBAtL0mvT7Nyn/3y+vnMfV2v3 Flb4opwJUgTJleYc16oxTn9svT2yS8q2uuUemRDLW8ABghoAtH3fUUk43RN+5Krd LYCtbeawtkikPVXZMfWybsx5vn0c3Q== =7SBe -----END PGP SIGNATURE----- Merge tag 'folio-5.16' of git://git.infradead.org/users/willy/pagecache Pull memory folios from Matthew Wilcox: "Add memory folios, a new type to represent either order-0 pages or the head page of a compound page. This should be enough infrastructure to support filesystems converting from pages to folios. The point of all this churn is to allow filesystems and the page cache to manage memory in larger chunks than PAGE_SIZE. The original plan was to use compound pages like THP does, but I ran into problems with some functions expecting only a head page while others expect the precise page containing a particular byte. The folio type allows a function to declare that it's expecting only a head page. Almost incidentally, this allows us to remove various calls to VM_BUG_ON(PageTail(page)) and compound_head(). This converts just parts of the core MM and the page cache. For 5.17, we intend to convert various filesystems (XFS and AFS are ready; other filesystems may make it) and also convert more of the MM and page cache to folios. For 5.18, multi-page folios should be ready. The multi-page folios offer some improvement to some workloads. The 80% win is real, but appears to be an artificial benchmark (postgres startup, which isn't a serious workload). Real workloads (eg building the kernel, running postgres in a steady state, etc) seem to benefit between 0-10%. I haven't heard of any performance losses as a result of this series. Nobody has done any serious performance tuning; I imagine that tweaking the readahead algorithm could provide some more interesting wins. There are also other places where we could choose to create large folios and currently do not, such as writes that are larger than PAGE_SIZE. I'd like to thank all my reviewers who've offered review/ack tags: Christoph Hellwig, David Howells, Jan Kara, Jeff Layton, Johannes Weiner, Kirill A. Shutemov, Michal Hocko, Mike Rapoport, Vlastimil Babka, William Kucharski, Yu Zhao and Zi Yan. I'd also like to thank those who gave feedback I incorporated but haven't offered up review tags for this part of the series: Nick Piggin, Mel Gorman, Ming Lei, Darrick Wong, Ted Ts'o, John Hubbard, Hugh Dickins, and probably a few others who I forget" * tag 'folio-5.16' of git://git.infradead.org/users/willy/pagecache: (90 commits) mm/writeback: Add folio_write_one mm/filemap: Add FGP_STABLE mm/filemap: Add filemap_get_folio mm/filemap: Convert mapping_get_entry to return a folio mm/filemap: Add filemap_add_folio() mm/filemap: Add filemap_alloc_folio mm/page_alloc: Add folio allocation functions mm/lru: Add folio_add_lru() mm/lru: Convert __pagevec_lru_add_fn to take a folio mm: Add folio_evictable() mm/workingset: Convert workingset_refault() to take a folio mm/filemap: Add readahead_folio() mm/filemap: Add folio_mkwrite_check_truncate() mm/filemap: Add i_blocks_per_folio() mm/writeback: Add folio_redirty_for_writepage() mm/writeback: Add folio_account_redirty() mm/writeback: Add folio_clear_dirty_for_io() mm/writeback: Add folio_cancel_dirty() mm/writeback: Add folio_account_cleaned() mm/writeback: Add filemap_dirty_folio() ... |
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Sungjong Seo
|
0c336d6e33 |
exfat: fix incorrect loading of i_blocks for large files
When calculating i_blocks, there was a mistake that was masked with a
32-bit variable. So i_blocks for files larger than 4 GiB had incorrect
values. Mask with a 64-bit variable instead of 32-bit one.
Fixes:
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Linus Torvalds
|
8bb7eca972 | Linux 5.15 | ||
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Linus Torvalds
|
75fcbd3860 |
perf tools fixes for v5.15: 5th batch
- Fix compilation of callchain related code on powerpc with gcc11+. - Fix PERF_SAMPLE_WEIGHT_STRUCT support in 'perf script' - Check session->header.env.arch before using it, fixing a segmentation fault. - Suppress 'rm dlfilter' build messages. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCYX7NvgAKCRCyPKLppCJ+ J0kmAQCAuh2Pt2eL+KUat/RgHXG+on5EkFfqlHVzebjmTv3/nwD/eyKF5AcgvTfb DGIntW5QskCeAal05g9Po1+xPdU2aQU= =3oio -----END PGP SIGNATURE----- Merge tag 'perf-tools-fixes-for-v5.15-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - Fix compilation of callchain related code on powerpc with gcc11+ - Fix PERF_SAMPLE_WEIGHT_STRUCT support in 'perf script' - Check session->header.env.arch before using it, fixing a segmentation fault - Suppress 'rm dlfilter' build messages * tag 'perf-tools-fixes-for-v5.15-2021-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf script: Fix PERF_SAMPLE_WEIGHT_STRUCT support perf callchain: Fix compilation on powerpc with gcc11+ perf script: Check session->header.env.arch before using it perf build: Suppress 'rm dlfilter' build message |
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Linus Torvalds
|
ca5e83eddc |
* Fixes for s390 interrupt delivery
* Fixes for Xen emulator bugs showing up as debug kernel WARNs * Fix another issue with SEV/ES string I/O VMGEXITs -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmF6uGIUHHBib256aW5p QHJlZGhhdC5jb20ACgkQv/vSX3jHroNRagf/Srvk9lNcRh4cEzsczErKMyr3xOqA jgsTSqgl1ExJI9sBLMpVYBOFGILMaMSrhLPIltKPy0Bj/E+hw8WOQwPa44QjWlSD MAUxO1Nryt9Luc2L8uSd1c//g4fr4V1BhOaumk1lM14Q8EDfQBcDIMI2ZKueMU1+ 2Q+n8/AsG63jQIINwKNidof0dzRtbfcE30Wq/8QHttIPo5wt6l0YClOlOikqNY8N 5+WSQFmuutHIXftq5Jb/Ldn/+HVukWZyZOEVwLnBpM9uBvIubNgcEakqvxsaVtAn FHdvnA+Bk99/Xuhl+wRLQo8ofzQIQ13RQv3HPArJAJv34oAJZx2rNObVlA== =6ofB -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull kvm fixes from Paolo Bonzini: - Fixes for s390 interrupt delivery - Fixes for Xen emulator bugs showing up as debug kernel WARNs - Fix another issue with SEV/ES string I/O VMGEXITs * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: Take srcu lock in post_kvm_run_save() KVM: SEV-ES: fix another issue with string I/O VMGEXITs KVM: x86/xen: Fix kvm_xen_has_interrupt() sleeping in kvm_vcpu_block() KVM: x86: switch pvclock_gtod_sync_lock to a raw spinlock KVM: s390: preserve deliverable_mask in __airqs_kick_single_vcpu KVM: s390: clear kicked_mask before sleeping again |
||
Kan Liang
|
27730c8cd6 |
perf script: Fix PERF_SAMPLE_WEIGHT_STRUCT support
-F weight in perf script is broken. # ./perf mem record # ./perf script -F weight Samples for 'dummy:HG' event do not have WEIGHT attribute set. Cannot print 'weight' field. The sample type, PERF_SAMPLE_WEIGHT_STRUCT, is an alternative of the PERF_SAMPLE_WEIGHT sample type. They share the same space, weight. The lower 32 bits are exactly the same for both sample type. The higher 32 bits may be different for different architecture. For a new kernel on x86, the PERF_SAMPLE_WEIGHT_STRUCT is used. For an old kernel or other ARCHs, the PERF_SAMPLE_WEIGHT is used. With -F weight, current perf script will only check the input string "weight" with the PERF_SAMPLE_WEIGHT sample type. Because the commit |
||
Jiri Olsa
|
89ac61ff05 |
perf callchain: Fix compilation on powerpc with gcc11+
Got following build fail on powerpc:
CC arch/powerpc/util/skip-callchain-idx.o
In function ‘check_return_reg’,
inlined from ‘check_return_addr’ at arch/powerpc/util/skip-callchain-idx.c:213:7,
inlined from ‘arch_skip_callchain_idx’ at arch/powerpc/util/skip-callchain-idx.c:265:7:
arch/powerpc/util/skip-callchain-idx.c:54:18: error: ‘dwarf_frame_register’ accessing 96 bytes \
in a region of size 64 [-Werror=stringop-overflow=]
54 | result = dwarf_frame_register(frame, ra_regno, ops_mem, &ops, &nops);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/util/skip-callchain-idx.c: In function ‘arch_skip_callchain_idx’:
arch/powerpc/util/skip-callchain-idx.c:54:18: note: referencing argument 3 of type ‘Dwarf_Op *’
In file included from /usr/include/elfutils/libdwfl.h:32,
from arch/powerpc/util/skip-callchain-idx.c:10:
/usr/include/elfutils/libdw.h:1069:12: note: in a call to function ‘dwarf_frame_register’
1069 | extern int dwarf_frame_register (Dwarf_Frame *frame, int regno,
| ^~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
The dwarf_frame_register args changed with [1],
Updating ops_mem accordingly.
[1] https://sourceware.org/git/?p=elfutils.git;a=commit;h=5621fe5443da23112170235dd5cac161e5c75e65
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Mark Wieelard <mjw@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Link: https://lore.kernel.org/r/20210928195253.1267023-1-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
||
Song Liu
|
29c77550ee |
perf script: Check session->header.env.arch before using it
When perf.data is not written cleanly, we would like to process existing data as much as possible (please see f_header.data.size == 0 condition in perf_session__read_header). However, perf.data with partial data may crash perf. Specifically, we see crash in 'perf script' for NULL session->header.env.arch. Fix this by checking session->header.env.arch before using it to determine native_arch. Also split the if condition so it is easier to read. Committer notes: If it is a pipe, we already assume is a native arch, so no need to check session->header.env.arch. Signed-off-by: Song Liu <songliubraving@fb.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: kernel-team@fb.com Cc: stable@vger.kernel.org Link: http://lore.kernel.org/lkml/20211004053238.514936-1-songliubraving@fb.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
Adrian Hunter
|
095729484e |
perf build: Suppress 'rm dlfilter' build message
The following build message: rm dlfilters/dlfilter-test-api-v0.o is unwanted. The object file is being treated as an intermediate file and being automatically removed. Mark the object file as .SECONDARY to prevent removal and hence the message. Requested-by: Arnaldo Carvalho de Melo <acme@kernel.org> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lore.kernel.org/lkml/20210930062849.110416-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
Gao Xiang
|
a0961f351d |
erofs: don't trigger WARN() when decompression fails
syzbot reported a WARNING [1] due to corrupted compressed data. As Dmitry said, "If this is not a kernel bug, then the code should not use WARN. WARN if for kernel bugs and is recognized as such by all testing systems and humans." [1] https://lore.kernel.org/r/000000000000b3586105cf0ff45e@google.com Link: https://lore.kernel.org/r/20211025074311.130395-1-hsiangkao@linux.alibaba.com Cc: Dmitry Vyukov <dvyukov@google.com> Reviewed-by: Chao Yu <chao@kernel.org> Reported-by: syzbot+d8aaffc3719597e8cfb4@syzkaller.appspotmail.com Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com> |
||
|
Linus Torvalds
|
180eca540a |
SCSI fixes on 20211030
Three small fixes, all in drivers, and one sizeable update to the UFS driver to remove the HPB 2.0 feature that has been objected to by Jens and Christoph. Although the UFS patch is large and last minute, it's essentially the least intrusive way of resolving the objections in time for the 5.15 release. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCYX25RSYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishQSWAP48whPB LUQx2tffOVmf18q5HA22mFXz/KTjgmvTVvNJtAEAn8OPN3OAnndPgBYDXAKhChI9 iMvhn3UwYGM+6DQ9bHo= =qS2s -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Three small fixes, all in drivers, and one sizeable update to the UFS driver to remove the HPB 2.0 feature that has been objected to by Jens and Christoph. Although the UFS patch is large and last minute, it's essentially the least intrusive way of resolving the objections in time for the 5.15 release" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ufs: ufshpb: Remove HPB2.0 flows scsi: mpt3sas: Fix reference tag handling for WRITE_INSERT scsi: ufs: ufs-exynos: Correct timeout value setting registers scsi: ibmvfc: Fix up duplicate response detection |
||
|
Linus Torvalds
|
3a4347d82e |
One fix for the composite clk that broke when we changed this clk type
to use the determine_rate instead of round_rate clk op by default. This caused lots of problems on Rockchip SoCs because they heavily use the composite clk code to model the clk tree. -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEE9L57QeeUxqYDyoaDrQKIl8bklSUFAmF8sUARHHNib3lkQGtl cm5lbC5vcmcACgkQrQKIl8bklSVDDhAAn4VSkWRS2mlwSWHCjrNc5XBVqTuzQX4k pH8k8rwLYJgEMnzN0a62I5kPUYcx47ILX/5+64vHfUyxYQsuDWu3O+Uvn8N5q8iD pXwH+Thac30DdCYoi7NRHmfKg0wFuMf4ExlLzfSP64OvPR4OeIz45BLo2KcnASy5 9KW/epH89fwUDpE01p9wI+nS6ItJ3qTvm9PUIOWqUOJz0ZkBjsIid2I6y7k/HgEk sfjBq2swvxaF7cIuCA11vesJ8pFVSSRowHgHdGsHa3okrB/x0nsi2JW2ie2zt/VQ EFkuhuiWfs2O5brjqZiQLgkeggEKkO+9V4o30s3mVFLx9hcEsKR7a3XaPOtXdlHh XrnDKnspWV1HKRRceRMbNw2oxeaDcJ2RC5kXpAVJraGeMDjn1NyYMxCFOyuwY0q6 8Mb7M1dRuMCdjIrhBGss+u5wg/wEG/vUZF6M4LBZAPzgRmX6lKVqzZrLH+9M0xSJ ey77No79nhntzPg57FZHED/ghL+5TNVyp9pO2rDcVcn1QjPGcNw3M9Fm/yfRPAJF C+5mvW5aoc+B6DFuQrpKSfUaa2KgqFKBj2CcEST/fcAH+FNKe9EZ8fkkM0jCdqZo nNK5CbsuW5HSCF+L5EALosru4krAFK/VNzXI7hzfraKOLymkw6h9j78F+Gi0qRzS 0IHipNdFIhA= =5b/O -----END PGP SIGNATURE----- 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 fix for the composite clk that broke when we changed this clk type to use the determine_rate instead of round_rate clk op by default. This caused lots of problems on Rockchip SoCs because they heavily use the composite clk code to model the clk tree" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: composite: Also consider .determine_rate for rate + mux composites |
||
|
Linus Torvalds
|
bf85ba018f |
RISC-V Fixes for 5.15 (or -rc8)
* A fix to ensure the trap vector's address is aligned.
* A fix to avoid re-populating the KASAN shadow memory.
* A fix to allow kasan to build without warnings, which have recently
become errors.
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Merge tag 'riscv-for-linus-5.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"These are pretty late, but they do fix concrete issues.
- ensure the trap vector's address is aligned.
- avoid re-populating the KASAN shadow memory.
- allow kasan to build without warnings, which have recently become
errors"
* tag 'riscv-for-linus-5.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fix asan-stack clang build
riscv: Do not re-populate shadow memory with kasan_populate_early_shadow
riscv: fix misalgned trap vector base address
|
||
Arnd Bergmann
|
f98a3dccfc |
locking: Remove spin_lock_flags() etc
parisc, ia64 and powerpc32 are the only remaining architectures that
provide custom arch_{spin,read,write}_lock_flags() functions, which are
meant to re-enable interrupts while waiting for a spinlock.
However, none of these can actually run into this codepath, because
it is only called on architectures without CONFIG_GENERIC_LOCKBREAK,
or when CONFIG_DEBUG_LOCK_ALLOC is set without CONFIG_LOCKDEP, and none
of those combinations are possible on the three architectures.
Going back in the git history, it appears that arch/mn10300 may have
been able to run into this code path, but there is a good chance that
it never worked. On the architectures that still exist, it was
already impossible to hit back in 2008 after the introduction of
CONFIG_GENERIC_LOCKBREAK, and possibly earlier.
As this is all dead code, just remove it and the helper functions built
around it. For arch/ia64, the inline asm could be cleaned up, but
it seems safer to leave it untouched.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Helge Deller <deller@gmx.de> # parisc
Link: https://lore.kernel.org/r/20211022120058.1031690-1-arnd@kernel.org
|
||
Stephane Eranian
|
2de71ee153 |
perf/x86/intel: Fix ICL/SPR INST_RETIRED.PREC_DIST encodings
This patch fixes the encoding for INST_RETIRED.PREC_DIST as published by Intel (download.01.org/perfmon/) for Icelake. The official encoding is event code 0x00 umask 0x1, a change from Skylake where it was code 0xc0 umask 0x1. With this patch applied it is possible to run: $ perf record -a -e cpu/event=0x00,umask=0x1/pp ..... Whereas before this would fail. To avoid problems with tools which may use the old code, we maintain the old encoding for Icelake. Signed-off-by: Stephane Eranian <eranian@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20211014001214.2680534-1-eranian@google.com |
||
Avri Altman
|
09d9e4d041 |
scsi: ufs: ufshpb: Remove HPB2.0 flows
The Host Performance Buffer feature allows UFS read commands to carry the physical media addresses along with the LBAs, thus allowing less internal L2P-table switches in the device. HPB1.0 allowed a single LBA, while HPB2.0 increases this capacity up to 255 blocks. Carrying more than a single record, the read operation is no longer purely of type "read" but a "hybrid" command: Writing the physical address to the device in one operation and reading back the required payload in another. The JEDEC HPB spec defines two commands for this operation: HPB-WRITE-BUFFER (0x2) to write the physical addresses to device, and HPB-READ to read the payload. With the current HPB design the UFS driver has no alternative but to divide the READ request into 2 separate commands: HPB-WRITE-BUFFER and HPB-READ. This causes a great deal of aggravation to the block layer guys who demanded that we completely revert the entire HPB driver regardless of the huge amount of corporate effort already invested in it. As a compromise, remove only the pieces that implement the 2.0 specification. This is done as a matter of urgency for the final 5.15 release. Link: https://lore.kernel.org/r/20211030062301.248-1-avri.altman@wdc.com Tested-by: Avri Altman <avri.altman@wdc.com> Tested-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Bean Huo <beanhuo@micron.com> Co-developed-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
||
|
Linus Torvalds
|
119c85055d |
powerpc fixes for 5.15 #6
Three commits fixing some issues introduced with the recent IOMMU changes we merged. Thanks to: Alexey Kardashevskiy -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAmF8e20THG1wZUBlbGxl cm1hbi5pZC5hdQAKCRBR6+o8yOGlgG4GEAC6SAo82kdWOR5MEwZ+U9ht91KqzK/O UYm5WLapGaWzKtS5zMZUzc3dTXFsbeSdPghfGp2eLpnkQkfDnltyGA4ERVunEQUg soGXt0OXBfmt++D+yogMkURr9tYzZ+ssrdCEC6Vmuv35Tf/dsHA9upWCVVw4UOOv w/RRR1uku6kup7NCX6TJZoUQSeAXISDhwk3LXF5jh/hqSyV3BV9yulHYs3J4WtFQ zr2dsxXL5DvgM3cOmLBZbnmTYSmU1f0jtGhqEf/6Ar3ljLHZgIvLLWmZK1UyyMwv 4P7yFIBVObW0sBqGz/4K9p73l8MnVHORrBUe73OavZgrxaM2u0k/7JRj72txcbMw KXNKvDoA9nambWV98OXt4HE2bInsporn4DSDSAwJZmuTcqltbFOCf47t0kpe66fB ZC2IJCOfrol5ELZvmdAsuVWEucHkdPMPqz0ZB46E/givQf45RmfYnjvVKm8HTQls aOivKNuP2VLXhHdeocly1adaDMaeMEouYw1p00VKhOW4GbfHCZs4IczDtqacHRMR NB+C0awi6DDQ7WXCEYURte9iURn8owjJhMuIsQj2/SUHVfuQEeJL1llSzo9sa/f2 ONT0esDhKSuq74T1nmimUMOvAyBg/TKuwY87TJ9BKcJzqSj+oPuuw28d8HBi61qk S9rG2jHto84HVw== =R9Yq -----END PGP SIGNATURE----- Merge tag 'powerpc-5.15-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Three commits fixing some issues introduced with the recent IOMMU changes we merged. Thanks to Alexey Kardashevskiy" * tag 'powerpc-5.15-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/pseries/iommu: Create huge DMA window if no MMIO32 is present powerpc/pseries/iommu: Check if the default window in use before removing it powerpc/pseries/iommu: Use correct vfree for it_map |
||
|
Linus Torvalds
|
db2398a56a |
gpio fixes for v5.15
- fix the return value check when parsing the ngpios property in gpio-xgs-iproc - check the return value of bgpio_init() in gpio-mlxbf2 -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAmF8XHAACgkQEacuoBRx 13ImBg/+NT/XE6gU+vuXNrRhNRqYI1s3HRn/mviCXMnjS2OJGD5Pd6KOt4gWX+Sm z8/+/4W9hwLRmd4oFF+4+Q073YHmNNBXYdQ/JZM37KDF88hHDcX675pBX19qJjKT xWgAzF3LMDHgTtXUrvsf36e2tezkZcnN6Rda2xzEi+j9Tq+ZrePfD7V44YlY3ka6 Vu/+NODR2umYc6rcrvIb2hHqUBIQUDCmIkIAGFK4CwVdC+VxtWya3cB4L8JqtF4l KMPIC9mO2jyAho0LufF/uBAlgNyeg/rfYpSYJo9pw882aKupxAMjI9OUT2CkwuKU tCi4wsYZUas5CqULe7bNNoLT4kZNVbiauc/3pqew0P84T9Uus2I4CyxHSgU9sfLx 3767JdXwJPZPyJFVSkdvQTidVRVZEgRKTkV/mc8f3FBw6sAa3OGOQKoSeuhS8lii BYdZ+9dulLHI3wlhfNSaY/mBdO0flLwsUZppOo5nDXm36Wz1jbbk1sApDFP6Ywsd YHY5W5gyb84Qt7alQ2MbzhkFrr9dFKdfIGmLDK0dtPna8DM7Wy0GyLGiJKkUf/Kw sP2SYGrNMP0s/pH1j4O3ULiVX1Fo0L7FgyycnWfUmxinE8Z/yzjbdAcxdO6SwYMy iSxvuuT08wvnJ8tZih3+y3gnL+gAOhlu0xndfcXdSYDs2f31ZeQ= =Sxrc -----END PGP SIGNATURE----- Merge tag 'gpio-fixes-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - fix the return value check when parsing the ngpios property in gpio-xgs-iproc - check the return value of bgpio_init() in gpio-mlxbf2 * tag 'gpio-fixes-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: mlxbf2.c: Add check for bgpio_init failure gpio: xgs-iproc: fix parsing of ngpios property |
||
|
Linus Torvalds
|
a379fbbcb8 |
block-5.15-2021-10-29
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Merge tag 'block-5.15-2021-10-29' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request:
- fix nvmet-tcp header digest verification (Amit Engel)
- fix a memory leak in nvmet-tcp when releasing a queue (Maurizio
Lombardi)
- fix nvme-tcp H2CData PDU send accounting again (Sagi Grimberg)
- fix digest pointer calculation in nvme-tcp and nvmet-tcp (Varun
Prakash)
- fix possible nvme-tcp req->offset corruption (Varun Prakash)
- Queue drain ordering fix (Ming)
- Partition check regression for zoned devices (Shin'ichiro)
- Zone queue restart fix (Naohiro)
* tag 'block-5.15-2021-10-29' of git://git.kernel.dk/linux-block:
block: Fix partition check for host-aware zoned block devices
nvmet-tcp: fix header digest verification
nvmet-tcp: fix data digest pointer calculation
nvme-tcp: fix data digest pointer calculation
nvme-tcp: fix possible req->offset corruption
block: schedule queue restart after BLK_STS_ZONE_RESOURCE
block: drain queue after disk is removed from sysfs
nvme-tcp: fix H2CData PDU send accounting (again)
nvmet-tcp: fix a memory leak when releasing a queue
|
||
Martin K. Petersen
|
61a9f252c1 |
scsi: mpt3sas: Fix reference tag handling for WRITE_INSERT
Testing revealed a problem with how the reference tag was handled for
a WRITE_INSERT operation. The SCSI_PROT_REF_CHECK flag is not set when
the controller is asked to generate the protection information
(i.e. not DIX). And as a result the initial reference tag would not be
set in the WRITE_INSERT case.
Separate handling of the REF_CHECK and REF_INCREMENT flags to align
with both the DIX spec and the MPI implementation.
Link: https://lore.kernel.org/r/20211028034202.24225-1-martin.petersen@oracle.com
Fixes:
|
||
|
Linus Torvalds
|
17d50f8941 |
MMC host:
- tmio: Re-enable card irqs after a reset - mtk-sd: Fixup probing of cqhci for crypto - cqhci: Fix support for suspend/resume - vub300: Fix control-message timeouts - dw_mmc-exynos: Fix support for tuning - winbond: Silences build errors on M68K - sdhci-esdhc-imx: Fix support for tuning - sdhci-pci: Read card detect from ACPI for Intel Merrifield - sdhci: Fix eMMC support for Thundercomm TurboX CM2290 -----BEGIN PGP SIGNATURE----- iQJLBAABCgA1FiEEugLDXPmKSktSkQsV/iaEJXNYjCkFAmF74zoXHHVsZi5oYW5z c29uQGxpbmFyby5vcmcACgkQ/iaEJXNYjCmQ2Q//fF/GEc69vN2pP9lps/jN6pdT Njd29UHonDf89krYYEoUd0MmwijndNC9HKIICM3XKRwzywweVDcgDGn0yJ/DPtma vgZRsZG4KM1h6RPs8TbGS17aMO1ZGNvZZAiP4f6CQzQqJUGS2Iu8kTx+XeZmqkuF IShAQB2X4CcThI7nZXPsaQVYFHgXY6L0MMxgZmvO36WDCHRij22xaEG5S4gmv825 l+P+z3KabAeIrpTU098EshvXp/TfmAxar9OSymxgQqDlD2t3eW1NwcexNOfa/aW0 yfQrMH/r37T6hDZoa7U27e7cA2Ma/y+A3c6J22siVEuiq/DQ3cUrRrHJvoYtz9uG m98z9ZjosxJy3O09bKjUWgzYwVDywwZtWOmXgNNRQpm8Qa4R6+2ZRitst+H9iJ6L m81Wx3iZK1I6Iak9a8palxOskHiD76IQ3V2xqbUP08O/DQSc+/460iuFqQ+yIybd PvNp0PpeZ7iCGC4gzTjGpL+SXxgrqGIO+MRMPUaSOMAZuaiIoAmBn8qwWdUUxiwD csmej1e64bDDctvHCg9PvZU2a8+TmQcdGxUTGB5pvf7mcJ5gSfN9AzKneqhWzw9J eBJwRMjTqGrRkSBGzj7PUrEjISlkzb0rt0sa7bYmd/7nIh1XX+MP5v7I35162jC6 mPLTdFW+mxaNn6Nx2+E= =SM2+ -----END PGP SIGNATURE----- Merge tag 'mmc-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fixes from Ulf Hansson: - tmio: Re-enable card irqs after a reset - mtk-sd: Fixup probing of cqhci for crypto - cqhci: Fix support for suspend/resume - vub300: Fix control-message timeouts - dw_mmc-exynos: Fix support for tuning - winbond: Silences build errors on M68K - sdhci-esdhc-imx: Fix support for tuning - sdhci-pci: Read card detect from ACPI for Intel Merrifield - sdhci: Fix eMMC support for Thundercomm TurboX CM2290 * tag 'mmc-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: tmio: reenable card irqs after the reset callback mmc: mediatek: Move cqhci init behind ungate clock mmc: cqhci: clear HALT state after CQE enable mmc: vub300: fix control-message timeouts mmc: dw_mmc: exynos: fix the finding clock sample value mmc: winbond: don't build on M68K mmc: sdhci-esdhc-imx: clear the buffer_read_ready to reset standard tuning circuit mmc: sdhci-pci: Read card detect from ACPI for Intel Merrifield mmc: sdhci: Map more voltage level to SDHCI_POWER_330 |
||
|
Linus Torvalds
|
fd919bbd33 |
for-5.15-rc7-tag
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE8rQSAMVO+zA4DBdWxWXV+ddtWDsFAmF72q0ACgkQxWXV+ddt WDvFOxAAkcryx2FP5aqaoMzBKfoCtMFHO3uAvm+rsMcglWe5kaXhBnHa2HPzoyEh YqEx2TeXMTuA2I15bU8KV1RMhQzzRjC4NhdRqY6uaKAcKgON6sJlK5qsq2BnB+V3 nrue1jppM2Vv8wNzjMNeVETQNC7pmg29yQP/fvWaB36Yar2tyfyWDF11e42HR7cU yLQUedg30WEayz3Mp6MTBF36h09WXQrZSs7Iwk1JMQbpxWcpn2CjXrO+vIZOMdvH XZZsxBTNB8GJIaJlXssgsq3OP2wspK1lrVHNfi5PYtcZEaFrhkPaVB6enDfd41YV zXwj1dnemCni9fh88gZprel9bLyB37dSVfIqq2Ly3hQbSAN4dmHIpxGwPSRIr+Hl Bn3UfClHpAftbpd/Y77U7GgcYnkuRo3Bd4mGTF3ZuPDLVrf/QX5BlfGa2dmJYoml NfBit7Ha4UrxLW6C8RC6fyEbLQxpNYFY55Ra0Tj0BBO/uhWiqtQGZwC/qbyPKfzN YZFcPR6iTILoCHXNan3iZIuLeASMT0djgAtunXXf/BuFnxGfnOuqL3bKt2vojh3+ rsqpeIxSP/VklKv4JcP3axeLmUK6cA8/9dV2ES0M0Fc0o341jfh+AoVw0GleFeus gXlDFPRJeE8yyXmjKyW4shctOczqoeMIq3umebXPP9R4jd/LU/g= =YWGa -----END PGP SIGNATURE----- Merge tag 'for-5.15-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "Last minute fixes for crash on 32bit architectures when compression is in use. It's a regression introduced in 5.15-rc and I'd really like not let this into the final release, fixes via stable trees would add unnecessary delay. The problem is on 32bit architectures with highmem enabled, the pages for compression may need to be kmapped, while the patches removed that as we don't use GFP_HIGHMEM allocations anymore. The pages that don't come from local allocation still may be from highmem. Despite being on 32bit there's enough such ARM machines in use so it's not a marginal issue. I did full reverts of the patches one by one instead of a huge one. There's one exception for the "lzo" revert as there was an intermediate patch touching the same code to make it compatible with subpage. I can't revert that one too, so the revert in lzo.c is manual. Qu Wenruo has worked on that with me and verified the changes" * tag 'for-5.15-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: Revert "btrfs: compression: drop kmap/kunmap from lzo" Revert "btrfs: compression: drop kmap/kunmap from zlib" Revert "btrfs: compression: drop kmap/kunmap from zstd" Revert "btrfs: compression: drop kmap/kunmap from generic helpers" |
||
|
Linus Torvalds
|
6f11521267 |
Tracing comment fixes:
- Some bots have informed me that some of the ftrace functions kernel-doc has formatting issues. - Also, fix my snake instinct. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCYXwAqxQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qpl+AQDn8QTG2RN9+jWVTNkCcWNNQDKPi5Ij QYquG/clrCVnwgEAtxUoC+ZAcnsadBm5gXwjzCi62aWfAb9apkTHb6fZAgc= =H3GU -----END PGP SIGNATURE----- Merge tag 'trace-v5.15-rc6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing comment fixes from Steven Rostedt: - Some bots have informed me that some of the ftrace functions kernel-doc has formatting issues. - Also, fix my snake instinct. * tag 'trace-v5.15-rc6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix misspelling of "missing" ftrace: Fix kernel-doc formatting issues |
||
|
Linus Torvalds
|
75c7a6c1ca |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu: "Fix a build-time warning in x86/sm4" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: x86/sm4 - Fix invalid section entry size |
||
|
Linus Torvalds
|
2c04d67ec1 |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "11 patches. Subsystems affected by this patch series: mm (memcg, memory-failure, oom-kill, secretmem, vmalloc, hugetlb, damon, and tools), and ocfs2" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: tools/testing/selftests/vm/split_huge_page_test.c: fix application of sizeof to pointer mm/damon/core-test: fix wrong expectations for 'damon_split_regions_of()' mm: khugepaged: skip huge page collapse for special files mm, thp: bail out early in collapse_file for writeback page mm/vmalloc: fix numa spreading for large hash tables mm/secretmem: avoid letting secretmem_users drop to zero ocfs2: fix race between searching chunks and release journal_head from buffer_head mm/oom_kill.c: prevent a race between process_mrelease and exit_mmap mm: filemap: check if THP has hwpoisoned subpage for PMD page fault mm: hwpoison: remove the unnecessary THP check memcg: page_alloc: skip bulk allocator for __GFP_ACCOUNT |
||
Alexandre Ghiti
|
54c5639d8f
|
riscv: Fix asan-stack clang build
Nathan reported that because KASAN_SHADOW_OFFSET was not defined in
Kconfig, it prevents asan-stack from getting disabled with clang even
when CONFIG_KASAN_STACK is disabled: fix this by defining the
corresponding config.
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Fixes:
|
||
|
Alexandre Ghiti
|
cf11d01135
|
riscv: Do not re-populate shadow memory with kasan_populate_early_shadow
When calling this function, all the shadow memory is already populated with kasan_early_shadow_pte which has PAGE_KERNEL protection. kasan_populate_early_shadow write-protects the mapping of the range of addresses passed in argument in zero_pte_populate, which actually write-protects all the shadow memory mapping since kasan_early_shadow_pte is used for all the shadow memory at this point. And then when using memblock API to populate the shadow memory, the first write access to the kernel stack triggers a trap. This becomes visible with the next commit that contains a fix for asan-stack. We already manually populate all the shadow memory in kasan_early_init and we write-protect kasan_early_shadow_pte at the end of kasan_init which makes the calls to kasan_populate_early_shadow superfluous so we can remove them. Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com> Fixes: |
||
Pavel Begunkov
|
1d5f5ea7cb |
io-wq: remove worker to owner tw dependency
INFO: task iou-wrk-6609:6612 blocked for more than 143 seconds.
Not tainted 5.15.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:iou-wrk-6609 state:D stack:27944 pid: 6612 ppid: 6526 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:4940 [inline]
__schedule+0xb44/0x5960 kernel/sched/core.c:6287
schedule+0xd3/0x270 kernel/sched/core.c:6366
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x176/0x280 kernel/sched/completion.c:138
io_worker_exit fs/io-wq.c:183 [inline]
io_wqe_worker+0x66d/0xc40 fs/io-wq.c:597
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
io-wq worker may submit a task_work to the master task and upon
io_worker_exit() wait for the tw to get executed. The problem appears
when the master task is waiting in coredump.c:
468 freezer_do_not_count();
469 wait_for_completion(&core_state->startup);
470 freezer_count();
Apparently having some dependency on children threads getting everything
stuck. Workaround it by cancelling the taks_work callback that causes it
before going into io_worker_exit() waiting.
p.s. probably a better option is to not submit tw elevating the refcount
in the first place, but let's leave this excercise for the future.
Cc: stable@vger.kernel.org
Reported-and-tested-by: syzbot+27d62ee6f256b186883e@syzkaller.appspotmail.com
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/142a716f4ed936feae868959059154362bfa8c19.1635509451.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
||
Jens Axboe
|
f75d118349 |
io_uring: harder fdinfo sq/cq ring iterating
The ring iteration is racy, which isn't necessarily a problem except it
can cause us to iterate the whole thing. That isn't desired or ideal,
and it can lead to excessive runtimes of reading fdinfo.
Cap the iteration at tail - head OR the ring size. While in there, clean
up the ring masking and just dump the raw values along with the masks.
That provides more useful debug info.
Fixes:
|