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master
1326342 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
95ec54a420 |
powerpc updates for 6.14
- Add preempt lazy support - Deprecate cxl and cxl flash driver - Fix a possible IOMMU related OOPS at boot on pSeries - Optimize sched_clock() in ppc32 by replacing mulhdu() by mul_u64_u64_shr() Thanks to: Andrew Donnellan, Andy Shevchenko, Ankur Arora, Christophe Leroy, Frederic Barrat, Gaurav Batra, Luis Felipe Hernandez, Michael Ellerman, Nilay Shroff, Ricardo B. Marliere, Ritesh Harjani (IBM), Sebastian Andrzej Siewior, Shrikanth Hegde, Sourabh Jain, Thorsten Blum, Zhu Jun. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmePIeIACgkQpnEsdPSH ZJTLRxAAmtarhPItiCQxwi0uyQpuzBoypcVuX8M9qpAUr1cQJv1swPlJI0tFW2xV QDK37FlCytYib1oMJpwyhg5DA8kdg08OuWtvGRVxGu4O+vh2v0aehewAfPsBKBwq JTOhjSlAeDPgsYQQlK6baSlfjb4kYlAFr2mh/oJIfXi2BFV1MB7rQmCXq2sPnfKS 9cFFgsZ74fFhbYOn9qFsldnzb9TPxR0/UcTOETqRcGOjiExv4aYlmWtKGMY/nLkN k5go3xoB5WP7z11clmg0pp+RIoYKR41kR58CtGdcCEEXJJ6WBGPhPLQzT5cLBkMi ppZieQNKrZK7J/udrdKP0+2cTmBTbCpjxHicLf7BhzsWwVxHCnyjrJIzUPuLcDUi Ym9AXsmzBsqMudqnR0lslsY2mUvZOJPYh4ZCKTA5S0TDYWGy/HlAlL7sMs2uCzaM 4g8MVpEJLVo4GAoZM96x4RMcPi4RlHYXbYqNpENRkxiZu2fDoRz9WStPCdda59/D 3rQNaSDT1vBpue9ac6EIMeGgNh+f6q6WKh/PA48QBYDTp/IVbfShD+xiXtaa72cZ W+JmWUwBRyM4HOP0C5yhXBXwL6a5sHj+d6R4gng4UUww7VppJmkZpBhXZsN4VS55 Xos+2Q75FBSQkAZa84yK6dXvFW3v/upIdSXuWTkSgoKs+4Z7dG8= =ctY4 -----END PGP SIGNATURE----- Merge tag 'powerpc-6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Madhavan Srinivasan: - Add preempt lazy support - Deprecate cxl and cxl flash driver - Fix a possible IOMMU related OOPS at boot on pSeries - Optimize sched_clock() in ppc32 by replacing mulhdu() by mul_u64_u64_shr() Thanks to Andrew Donnellan, Andy Shevchenko, Ankur Arora, Christophe Leroy, Frederic Barrat, Gaurav Batra, Luis Felipe Hernandez, Michael Ellerman, Nilay Shroff, Ricardo B. Marliere, Ritesh Harjani (IBM), Sebastian Andrzej Siewior, Shrikanth Hegde, Sourabh Jain, Thorsten Blum, and Zhu Jun. * tag 'powerpc-6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: selftests/powerpc: Fix argument order to timer_sub() powerpc/prom_init: Use IS_ENABLED() powerpc/pseries/iommu: IOMMU incorrectly marks MMIO range in DDW powerpc: Use str_on_off() helper in check_cache_coherency() powerpc: Large user copy aware of full:rt:lazy preemption powerpc: Add preempt lazy support powerpc/book3s64/hugetlb: Fix disabling hugetlb when fadump is active powerpc/vdso: Mark the vDSO code read-only after init powerpc/64: Use get_user() in start_thread() macintosh: declare ctl_table as const selftest/powerpc/ptrace: Cleanup duplicate macro definitions selftest/powerpc/ptrace/ptrace-pkey: Remove duplicate macros selftest/powerpc/ptrace/core-pkey: Remove duplicate macros powerpc/8xx: Drop legacy-of-mm-gpiochip.h header scsi/cxlflash: Deprecate driver cxl: Deprecate driver selftests/powerpc: Fix typo in test-vphn.c powerpc/xmon: Use str_yes_no() helper in dump_one_paca() powerpc/32: Replace mulhdu() by mul_u64_u64_shr() |
||
|
Linus Torvalds
|
9ad09c4f28 |
arm64 updates for 6.14
Confidential Computing:
* Register a platform device when running in CCA realm mode to enable
automatic loading of dependent modules.
CPU Features:
* Update a bunch of system register definitions to pick up new field
encodings from the architectural documentation.
* Add hwcaps and selftests for the new (2024) dpISA extensions.
Documentation:
* Update EL3 (firmware) requirements for booting Linux on modern arm64
designs.
* Remove stale information about the kernel virtual memory map.
Miscellaneous:
* Minor cleanups and typo fixes.
Memory management:
* Fix vmemmap_check_pmd() to look at the PMD type bits
* LPA2 (52-bit physical addressing) cleanups and minor fixes.
* Adjust physical address space depending upon whether or not LPA2 is
enabled.
Perf and PMUs:
* Add port filtering support for NVIDIA's NVLINK-C2C Coresight PMU
* Extend AXI filtering support for the DDR PMU on NXP IMX SoCs
* Fix Designware PCIe PMU event numbering.
* Add generic branch events for the Apple M1 CPU PMU.
* Add support for Marvell Odyssey DDR and LLC-TAD PMUs.
* Cleanups to the Hisilicon DDRC and Uncore PMU code.
* Advertise discard mode for the SPE PMU.
* Add the perf users mailing list to our MAINTAINERS entry.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"We've got a little less than normal thanks to the holidays in
December, but there's the usual summary below. The highlight is
probably the 52-bit physical addressing (LPA2) clean-up from Ard.
Confidential Computing:
- Register a platform device when running in CCA realm mode to enable
automatic loading of dependent modules
CPU Features:
- Update a bunch of system register definitions to pick up new field
encodings from the architectural documentation
- Add hwcaps and selftests for the new (2024) dpISA extensions
Documentation:
- Update EL3 (firmware) requirements for booting Linux on modern
arm64 designs
- Remove stale information about the kernel virtual memory map
Miscellaneous:
- Minor cleanups and typo fixes
Memory management:
- Fix vmemmap_check_pmd() to look at the PMD type bits
- LPA2 (52-bit physical addressing) cleanups and minor fixes
- Adjust physical address space depending upon whether or not LPA2 is
enabled
Perf and PMUs:
- Add port filtering support for NVIDIA's NVLINK-C2C Coresight PMU
- Extend AXI filtering support for the DDR PMU on NXP IMX SoCs
- Fix Designware PCIe PMU event numbering
- Add generic branch events for the Apple M1 CPU PMU
- Add support for Marvell Odyssey DDR and LLC-TAD PMUs
- Cleanups to the Hisilicon DDRC and Uncore PMU code
- Advertise discard mode for the SPE PMU
- Add the perf users mailing list to our MAINTAINERS entry"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (64 commits)
Documentation: arm64: Remove stale and redundant virtual memory diagrams
perf docs: arm_spe: Document new discard mode
perf: arm_spe: Add format option for discard mode
MAINTAINERS: Add perf list for drivers/perf/
arm64: Remove duplicate included header
drivers/perf: apple_m1: Map generic branch events
arm64: rsi: Add automatic arm-cca-guest module loading
kselftest/arm64: Add 2024 dpISA extensions to hwcap test
KVM: arm64: Allow control of dpISA extensions in ID_AA64ISAR3_EL1
arm64/hwcap: Describe 2024 dpISA extensions to userspace
arm64/sysreg: Update ID_AA64SMFR0_EL1 to DDI0601 2024-12
arm64: Filter out SVE hwcaps when FEAT_SVE isn't implemented
drivers/perf: hisi: Set correct IRQ affinity for PMUs with no association
arm64/sme: Move storage of reg_smidr to __cpuinfo_store_cpu()
arm64: mm: Test for pmd_sect() in vmemmap_check_pmd()
arm64/mm: Replace open encodings with PXD_TABLE_BIT
arm64/mm: Rename pte_mkpresent() as pte_mkvalid()
arm64/sysreg: Update ID_AA64ISAR2_EL1 to DDI0601 2024-09
arm64/sysreg: Update ID_AA64ZFR0_EL1 to DDI0601 2024-09
arm64/sysreg: Update ID_AA64FPFR0_EL1 to DDI0601 2024-09
...
|
||
|
Linus Torvalds
|
e7244cc382 |
m68k updates for v6.14
- Use the generic muldi3 libgcc function, - Miscellaneous fixes and improvements. -----BEGIN PGP SIGNATURE----- iIsEABYKADMWIQQ9qaHoIs/1I4cXmEiKwlD9ZEnxcAUCZ45X7xUcZ2VlcnRAbGlu dXgtbTY4ay5vcmcACgkQisJQ/WRJ8XB4tQD/WKgZmWHvfi/9Tk7+c8WD/e2ApdQE ZhL9q0AEUzumpH0A/2ROwftS1g39MXdITUfts2g5j2wQy2ePnRDOZmTtP9kA =ZK3B -----END PGP SIGNATURE----- Merge tag 'm68k-for-v6.14-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k updates from Geert Uytterhoeven: - Use the generic muldi3 libgcc function - Miscellaneous fixes and improvements * tag 'm68k-for-v6.14-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: libgcc: Fix lvalue abuse in umul_ppmm() m68k: vga: Fix I/O defines zorro: Constify 'struct bin_attribute' m68k: atari: Use str_on_off() helper in atari_nvram_proc_read() m68k: Use kernel's generic muldi3 libgcc function |
||
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Linus Torvalds
|
4f42d0bf72 |
s390 updates for 6.14 merge window
- Select config option KASAN_VMALLOC if KASAN is enabled - Select config option VMAP_STACK unconditionally - Implement arch_atomic_inc() / arch_atomic_dec() functions which result in a single instruction if compiled for z196 or newer architectures - Make layering between atomic.h and atomic_ops.h consistent - Comment s390 preempt_count implementation - Remove pre MARCH_HAS_Z196_FEATURES preempt count implementation - GCC uses the number of lines of an inline assembly to calculate number of instructions and decide on inlining. Therefore remove superfluous new lines from a couple of inline assemblies. - Provide arch_atomic_*_and_test() implementations that allow the compiler to generate slightly better code. - Optimize __preempt_count_dec_and_test() - Remove __bootdata annotations from declarations in header files - Add missing include of <linux/smp.h> in abs_lowcore.h to provide declarations for get_cpu() and put_cpu() used in the code - Fix suboptimal kernel image base when running make kasan.config - Remove huge_pte_none() and huge_pte_none_mostly() as are identical to the generic variants - Remove unused PAGE_KERNEL_EXEC, SEGMENT_KERNEL_EXEC, and REGION3_KERNEL_EXEC defines - Simplify noexec page protection handling and change the page, segment and region3 protection definitions automatically if the instruction execution-protection facility is not available - Save one instruction and prefer EXRL instruction over EX in string, xor_*(), amode31 and other functions - Create /dev/diag misc device to fetch diagnose specific information from the kernel and provide it to userspace - Retrieve electrical power readings using DIAGNOSE 0x324 ioctl - Make ccw_device_get_ciw() consistent and use array indices instead of pointer arithmetic * s390/qdio: Move memory alloc/pointer arithmetic for slib and sl into one place - The sysfs core now allows instances of 'struct bin_attribute' to be moved into read-only memory. Make use of that in s390 code - Add missing TLB range adjustment in pud_free_tlb() - Improve topology setup by adding early polarization detection - Fix length checks in codepage_convert() function - The generic bitops implementation is nearly identical to the s390 one. Switch to the generic variant and decrease a bit the kernel image size - Provide an optimized arch_test_bit() implementation which makes use of flag output constraint. This generates slightly better code - Provide memory topology information obtanied with DIAGNOSE 0x310 using ioctl. - Various other small improvements, fixes, and cleanups These changes were added with a merge of 'pci-device-recovery' branch - Add PCI error recovery status mechanism - Simplify and document debug_next_entry() logic - Split private data allocation and freeing out of debug file open() and close() operations - Add debug_dump() function that gets a textual representation of a debug info (e.g. PCI recovery hardware error logs) - Add formatted content of pci_debug_msg_id to the PCI report -----BEGIN PGP SIGNATURE----- iI0EABYKADUWIQQrtrZiYVkVzKQcYivNdxKlNrRb8AUCZ4pkVxccYWdvcmRlZXZA bGludXguaWJtLmNvbQAKCRDNdxKlNrRb8GulAQDg/7pCj1fXH5XKN9W16972OYQD pNwfCekw8suO8HUBCgEAkzdgTJC6/thifrnUt+Gj8HqASh//Qzw/6Q2Jk6595gk= =lE3V -----END PGP SIGNATURE----- Merge tag 's390-6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Alexander Gordeev: - Select config option KASAN_VMALLOC if KASAN is enabled - Select config option VMAP_STACK unconditionally - Implement arch_atomic_inc() / arch_atomic_dec() functions which result in a single instruction if compiled for z196 or newer architectures - Make layering between atomic.h and atomic_ops.h consistent - Comment s390 preempt_count implementation - Remove pre MARCH_HAS_Z196_FEATURES preempt count implementation - GCC uses the number of lines of an inline assembly to calculate number of instructions and decide on inlining. Therefore remove superfluous new lines from a couple of inline assemblies. - Provide arch_atomic_*_and_test() implementations that allow the compiler to generate slightly better code. - Optimize __preempt_count_dec_and_test() - Remove __bootdata annotations from declarations in header files - Add missing include of <linux/smp.h> in abs_lowcore.h to provide declarations for get_cpu() and put_cpu() used in the code - Fix suboptimal kernel image base when running make kasan.config - Remove huge_pte_none() and huge_pte_none_mostly() as are identical to the generic variants - Remove unused PAGE_KERNEL_EXEC, SEGMENT_KERNEL_EXEC, and REGION3_KERNEL_EXEC defines - Simplify noexec page protection handling and change the page, segment and region3 protection definitions automatically if the instruction execution-protection facility is not available - Save one instruction and prefer EXRL instruction over EX in string, xor_*(), amode31 and other functions - Create /dev/diag misc device to fetch diagnose specific information from the kernel and provide it to userspace - Retrieve electrical power readings using DIAGNOSE 0x324 ioctl - Make ccw_device_get_ciw() consistent and use array indices instead of pointer arithmetic - s390/qdio: Move memory alloc/pointer arithmetic for slib and sl into one place - The sysfs core now allows instances of 'struct bin_attribute' to be moved into read-only memory. Make use of that in s390 code - Add missing TLB range adjustment in pud_free_tlb() - Improve topology setup by adding early polarization detection - Fix length checks in codepage_convert() function - The generic bitops implementation is nearly identical to the s390 one. Switch to the generic variant and decrease a bit the kernel image size - Provide an optimized arch_test_bit() implementation which makes use of flag output constraint. This generates slightly better code - Provide memory topology information obtanied with DIAGNOSE 0x310 using ioctl. - Various other small improvements, fixes, and cleanups Also, some changes came in through a merge of 'pci-device-recovery' branch: - Add PCI error recovery status mechanism - Simplify and document debug_next_entry() logic - Split private data allocation and freeing out of debug file open() and close() operations - Add debug_dump() function that gets a textual representation of a debug info (e.g. PCI recovery hardware error logs) - Add formatted content of pci_debug_msg_id to the PCI report * tag 's390-6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (48 commits) s390/futex: Fix FUTEX_OP_ANDN implementation s390/diag: Add memory topology information via diag310 s390/bitops: Provide optimized arch_test_bit() s390/bitops: Switch to generic bitops s390/ebcdic: Fix length decrement in codepage_convert() s390/ebcdic: Fix length check in codepage_convert() s390/ebcdic: Use exrl instead of ex s390/amode31: Use exrl instead of ex s390/stackleak: Use exrl instead of ex in __stackleak_poison() s390/lib: Use exrl instead of ex in xor functions s390/topology: Improve topology detection s390/tlb: Add missing TLB range adjustment s390/pkey: Constify 'struct bin_attribute' s390/sclp: Constify 'struct bin_attribute' s390/pci: Constify 'struct bin_attribute' s390/ipl: Constify 'struct bin_attribute' s390/crypto/cpacf: Constify 'struct bin_attribute' s390/qdio: Move memory alloc/pointer arithmetic for slib and sl into one place s390/cio: Use array indices instead of pointer arithmetic s390/qdio: Rename feature flag aif_osa to aif_qdio ... |
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Linus Torvalds
|
a312e1706c |
for-6.14/io_uring-20250119
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Merge tag 'for-6.14/io_uring-20250119' of git://git.kernel.dk/linux
Pull io_uring updates from Jens Axboe:
"Not a lot in terms of features this time around, mostly just cleanups
and code consolidation:
- Support for PI meta data read/write via io_uring, with NVMe and
SCSI covered
- Cleanup the per-op structure caching, making it consistent across
various command types
- Consolidate the various user mapped features into a concept called
regions, making the various users of that consistent
- Various cleanups and fixes"
* tag 'for-6.14/io_uring-20250119' of git://git.kernel.dk/linux: (56 commits)
io_uring/fdinfo: fix io_uring_show_fdinfo() misuse of ->d_iname
io_uring: reuse io_should_terminate_tw() for cmds
io_uring: Factor out a function to parse restrictions
io_uring/rsrc: require cloned buffers to share accounting contexts
io_uring: simplify the SQPOLL thread check when cancelling requests
io_uring: expose read/write attribute capability
io_uring/rw: don't gate retry on completion context
io_uring/rw: handle -EAGAIN retry at IO completion time
io_uring/rw: use io_rw_recycle() from cleanup path
io_uring/rsrc: simplify the bvec iter count calculation
io_uring: ensure io_queue_deferred() is out-of-line
io_uring/rw: always clear ->bytes_done on io_async_rw setup
io_uring/rw: use NULL for rw->free_iovec assigment
io_uring/rw: don't mask in f_iocb_flags
io_uring/msg_ring: Drop custom destructor
io_uring: Move old async data allocation helper to header
io_uring/rw: Allocate async data through helper
io_uring/net: Allocate msghdr async data through helper
io_uring/uring_cmd: Allocate async data through generic helper
io_uring/poll: Allocate apoll with generic alloc_cache helper
...
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Linus Torvalds
|
1cbfb828e0 |
for-6.14/block-20250118
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Merge tag 'for-6.14/block-20250118' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- NVMe pull requests via Keith:
- Target support for PCI-Endpoint transport (Damien)
- TCP IO queue spreading fixes (Sagi, Chaitanya)
- Target handling for "limited retry" flags (Guixen)
- Poll type fix (Yongsoo)
- Xarray storage error handling (Keisuke)
- Host memory buffer free size fix on error (Francis)
- MD pull requests via Song:
- Reintroduce md-linear (Yu Kuai)
- md-bitmap refactor and fix (Yu Kuai)
- Replace kmap_atomic with kmap_local_page (David Reaver)
- Quite a few queue freeze and debugfs deadlock fixes
Ming introduced lockdep support for this in the 6.13 kernel, and it
has (unsurprisingly) uncovered quite a few issues
- Use const attributes for IO schedulers
- Remove bio ioprio wrappers
- Fixes for stacked device atomic write support
- Refactor queue affinity helpers, in preparation for better supporting
isolated CPUs
- Cleanups of loop O_DIRECT handling
- Cleanup of BLK_MQ_F_* flags
- Add rotational support for null_blk
- Various fixes and cleanups
* tag 'for-6.14/block-20250118' of git://git.kernel.dk/linux: (106 commits)
block: Don't trim an atomic write
block: Add common atomic writes enable flag
md/md-linear: Fix a NULL vs IS_ERR() bug in linear_add()
block: limit disk max sectors to (LLONG_MAX >> 9)
block: Change blk_stack_atomic_writes_limits() unit_min check
block: Ensure start sector is aligned for stacking atomic writes
blk-mq: Move more error handling into blk_mq_submit_bio()
block: Reorder the request allocation code in blk_mq_submit_bio()
nvme: fix bogus kzalloc() return check in nvme_init_effects_log()
md/md-bitmap: move bitmap_{start, end}write to md upper layer
md/raid5: implement pers->bitmap_sector()
md: add a new callback pers->bitmap_sector()
md/md-bitmap: remove the last parameter for bimtap_ops->endwrite()
md/md-bitmap: factor behind write counters out from bitmap_{start/end}write()
md: Replace deprecated kmap_atomic() with kmap_local_page()
md: reintroduce md-linear
partitions: ldm: remove the initial kernel-doc notation
blk-cgroup: rwstat: fix kernel-doc warnings in header file
blk-cgroup: fix kernel-doc warnings in header file
nbd: fix partial sending
...
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Linus Torvalds
|
3d3a9c8b89 |
dlm for 6.14
- Fix a case where the new scanning code missed removing an unused rsb. - Fix the error when removing a configfs entry for an invalid node id. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEcGkeEvkvjdvlR90nOBtzx/yAaaoFAmeOi6EACgkQOBtzx/yA aaqLPRAApqsWLMdaOejBY3B2KfFeSGqi+hcYO5fpjRgFocRCnG3q2aY1+lNEemDd 8EEvFGDzqCvFKbS+VGWjQ+ABiA8Zro4nqjuc6vW/EHivNsWiAgSqeSwQSG81v7x1 Ht2EkVg9UK2rRYb0Y4Y46XIiGU7Yd9q+bpv1nLtjLsFM+u7j3hC1IrK5Rl71JSYE ozhHIVkg5VxxNHjr3isc7kChIdYdRIX+xZm+YfAfC3/Z9YHcJAQ436RNvW/rDjJX iR/td4Z04tACwZVu46TDjHaLS5jQ/Lk/7Vk+FrliuXjTTcNbxM+MTX0uoxKUDJ5D JD1bMaiFsIvvd146wGk022iRTSUE27KnFJaknvV1njuvY3+jHhV9uDehl8Vurv7b GS2ZNajUmU/5Mv9MtfxfZNsH5cKQPMKhyKugt5gZhPFLnhf6APEz6htyZ+Sbmueb 8LMycO9SiIDiwOowS8leR0qmfI9k/11vwmO2vi0fbDDCSPTL8wq12JWmg/S+YXAp HuKNfpnCE6s+c+EB3y50C1jOvbHQ1u96FpdHyUzv1hDrGG9/w5JG95codZcXQ314 uA4uEQBpan7TDLaSlSccSXUcRilrYZ3eY94wKHlRuBhLswsAGAZDz4HmuMm7VPeR etiZRhehQYdHZs/+Zr5k5sn+AI8yDZKzl+mw55SGeij7ti0sXzY= =fSW0 -----END PGP SIGNATURE----- Merge tag 'dlm-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm Pull dlm updates from David Teigland: - Fix a case where the new scanning code missed removing an unused rsb - Fix the error when removing a configfs entry for an invalid node id * tag 'dlm-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: dlm: return -ENOENT if no comm was found dlm: fix srcu_read_lock() return type to int dlm: fix removal of rsb struct that is master and dir record |
||
|
Linus Torvalds
|
2622f29041 |
bcachefs updates for 6.14-rc1
Lots of scalability work, another big on disk format change. On disk
format version goes from 1.13 to 1.20.
Like 6.11, this is another big and expensive automatic/required on disk
format upgrade. This is planned to be the last big on disk format
upgrade before the experimental label comes off. There will be one more
minor on disk format update for a few things that couldn't make this
release.
Headline improvements:
- Fix mount time regression that some users encountered post the 6.11
disk accounting rewrite.
Accounting keys were encoded little endian (typetag in the low bits) -
which didn't anticipate adding accounting keys for every inode, which
aren't stored in memory and we don't want to scan at mount time.
- fsck time on large filesystems is improved by multiple orders of
magnitude. Previously, 100TB was about the practical max filesystem
size, where users were reporting fsck times of a day+. With the new
changes (which nearly eliminate backpointers fsck overhead), we fsck'd
a filesystem with 10PB of data in 1.5 hours.
The problematic fsck passes were walking every extent and checking for
missing backpointers, and walking every backpointer to check for
dangling backpointers. As we've been adding more and more runtime self
healing there was no reason to keep around the backpointers -> extents
pass; dangling backpointers are just deleted, and we can do that when
using them - thus, backpointers -> extents is now only run in debug
mode.
extents -> backpointers does need to exist, since missing backpointers
would mean we can't find data to move it (for e.g. copygc, device
evacuate, scrub). But the new on disk format version makes possible a
new strategy where we sum up backpointers within a bucket and check it
against the bucket sector counts, and then only scan for missing
backpointers if the counts are off (and then, only for specific
buckets).
Full list of on disk format changes:
- 1.14: backpointer_bucket_gen
Backpointers now have a field for the bucket generation number,
replacing the obsolete bucket_offset field. This is needed for the
new "sum up backpointers within a bucket" code, since backpointers use
the btree write buffer - meaning we will see stale reads, and this
runs online, with the filesystem in full rw mode.
- 1.15: disk_accounting_big_endian
As previously described, fix the endianness of accounting keys so that
accounting keys with the same typetag sort together, and accounting
read can skip types it's not interested in.
- 1.16: reflink_p_may_update_opts:
This version indicates that a new reflink pointer field is understood
and may be used; the field indicates whether the reflink pointer has
permissions to update IO path options (e.g. compression, replicas) may
be updated on the indirect extent it points to.
This completes the rebalance/reflink data path option handling from
the 6.13 pull request.
- 1.17: inode_depth
Add a new inode field, bi_depth, to accelerate the
check_directory_structure fsck path, which checks for loops in the
filesystem heirarchy.
check_inodes and check_dirents check connectivity, so
check_directory_structure only has to check for loops - by walking
back up to the root from every directory.
But a path can't be a loop if it has a counter that increases
monotonically from root to leaf - adding a depth counter means that we
can check for loops with only local (parent -> child) checks. We might
need to occasionally renumber the depth field in fsck if directories
have been moved around, but then future fsck runs will be much faster.
- 1.18: persistent_inode_cursors
Previously, the cursor used for inode allocation was only kept in
memory, which meant that users with large filesystems and lots of
files were reporting that the first create after mounting would take
awhile - since it had to scan from the start.
Inode allocation cursors are now persistent, and also include a
generation field (incremented on wraparound, which will only happen if
inode allocation is restricted to 32 bit inodes), so that we don't
have to leave inode_generation keys around after a delete.
The option for 32 bit inode numbers may now also be set on individual
directories, and non-32 bit inode allocations are disallowed from
allocating from the 32 bit part of the inode number space.
- 1.19: autofix_errors
Runtime self healing is now the default.o
- 1.20: directory size (from Hongbo)
directory i_size is now meaningful, and not 0.
Release notes from the previous 6.13 pull request:
- Self healing work:
Allocator and reflink now run the exact same check/repair code that
fsck does at runtime, where applicable.
The long term goal here is to remove inconsistent() errors (that cause
us to go emergency read only) by lifting fsck code up to normal
runtime paths; we should only go emergency read-only if we detect an
inconsistency that was due to a runtime bug - or truly catastrophic
damage (corrupted btree roots/interior nodes).
- Reflink repair no longer deletes reflink pointers: instead we flip an
error bit and log the error, and they can still be deleted by file
deletion. This means a temporary failure to find an indirect extent
(perhaps repaired later by btree node scan) won't result in
unnecessary data loss
- Improvements to rebalance data path option handling: we can now
correctly apply changed filesystem-level io path options to pending
rebalance work, and soon we'll be able to apply file-level io path
option changes to indirect extents.
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Merge tag 'bcachefs-2025-01-20.2' of git://evilpiepirate.org/bcachefs
Pull bcachefs updates from Kent Overstreet:
"Lots of scalability work, another big on-disk format change. On-disk
format version goes from 1.13 to 1.20.
Like 6.11, this is another big and expensive automatic/required on
disk format upgrade. This is planned to be the last big on disk format
upgrade before the experimental label comes off. There will be one
more minor on disk format update for a few things that couldn't make
this release.
Headline improvements:
- Self healing work:
Allocator and reflink now run the exact same check/repair code that
fsck does at runtime, where applicable.
The long term goal here is to remove inconsistent() errors (that
cause us to go emergency read only) by lifting fsck code up to
normal runtime paths; we should only go emergency read-only if we
detect an inconsistency that was due to a runtime bug - or truly
catastrophic damage (corrupted btree roots/interior nodes).
- Reflink repair no longer deletes reflink pointers:
Instead we flip an error bit and log the error, and they can still
be deleted by file deletion. This means a temporary failure to find
an indirect extent (perhaps repaired later by btree node scan)
won't result in unnecessary data loss
- Improvements to rebalance data path option handling:
We can now correctly apply changed filesystem-level io path options
to pending rebalance work, and soon we'll be able to apply
file-level io path option changes to indirect extents
- Fix mount time regression that some users encountered post the 6.11
disk accounting rewrite.
Accounting keys were encoded little endian (typetag in the low
bits) - which didn't anticipate adding accounting keys for every
inode, which aren't stored in memory and we don't want to scan at
mount time.
- fsck time on large filesystems is improved by multiple orders of
magnitude. Previously, 100TB was about the practical max filesystem
size, where users were reporting fsck times of a day+. With the new
changes (which nearly eliminate backpointers fsck overhead), we
fsck'd a filesystem with 10PB of data in 1.5 hours.
The problematic fsck passes were walking every extent and checking
for missing backpointers, and walking every backpointer to check
for dangling backpointers. As we've been adding more and more
runtime self healing there was no reason to keep around the
backpointers -> extents pass; dangling backpointers are just
deleted, and we can do that when using them - thus, backpointers ->
extents is now only run in debug mode.
extents -> backpointers does need to exist, since missing
backpointers would mean we can't find data to move it (for e.g.
copygc, device evacuate, scrub). But the new on disk format version
makes possible a new strategy where we sum up backpointers within a
bucket and check it against the bucket sector counts, and then only
scan for missing backpointers if the counts are off (and then, only
for specific buckets).
Full list of on disk format changes:
- 1.14: backpointer_bucket_gen
Backpointers now have a field for the bucket generation number,
replacing the obsolete bucket_offset field. This is needed for the
new "sum up backpointers within a bucket" code, since backpointers
use the btree write buffer - meaning we will see stale reads, and
this runs online, with the filesystem in full rw mode.
- 1.15: disk_accounting_big_endian
As previously described, fix the endianness of accounting keys so
that accounting keys with the same typetag sort together, and
accounting read can skip types it's not interested in.
- 1.16: reflink_p_may_update_opts:
This version indicates that a new reflink pointer field is
understood and may be used; the field indicates whether the reflink
pointer has permissions to update IO path options (e.g.
compression, replicas) may be updated on the indirect extent it
points to.
This completes the rebalance/reflink data path option handling from
the 6.13 pull request.
- 1.17: inode_depth
Add a new inode field, bi_depth, to accelerate the
check_directory_structure fsck path, which checks for loops in the
filesystem heirarchy.
check_inodes and check_dirents check connectivity, so
check_directory_structure only has to check for loops - by walking
back up to the root from every directory.
But a path can't be a loop if it has a counter that increases
monotonically from root to leaf - adding a depth counter means that
we can check for loops with only local (parent -> child) checks. We
might need to occasionally renumber the depth field in fsck if
directories have been moved around, but then future fsck runs will
be much faster.
- 1.18: persistent_inode_cursors
Previously, the cursor used for inode allocation was only kept in
memory, which meant that users with large filesystems and lots of
files were reporting that the first create after mounting would
take awhile - since it had to scan from the start.
Inode allocation cursors are now persistent, and also include a
generation field (incremented on wraparound, which will only happen
if inode allocation is restricted to 32 bit inodes), so that we
don't have to leave inode_generation keys around after a delete.
The option for 32 bit inode numbers may now also be set on
individual directories, and non-32 bit inode allocations are
disallowed from allocating from the 32 bit part of the inode number
space.
- 1.19: autofix_errors
Runtime self healing is now the default.o
- 1.20: directory size (from Hongbo)
directory i_size is now meaningful, and not 0"
* tag 'bcachefs-2025-01-20.2' of git://evilpiepirate.org/bcachefs: (268 commits)
bcachefs: Fix check_inode_hash_info_matches_root()
bcachefs: Document issue with bch_stripe layout
bcachefs: Fix self healing on read error
bcachefs: Pop all the transactions from the abort one
bcachefs: Only abort the transactions in the cycle
bcachefs: Introduce lock_graph_pop_from
bcachefs: Convert open-coded lock_graph_pop_all to helper
bcachefs: Do not allow no fail lock request to fail
bcachefs: Merge the condition to avoid additional invocation
Revert "bcachefs: Fix bch2_btree_node_upgrade()"
bcachefs: bcachefs_metadata_version_directory_size
bcachefs: make directory i_size meaningful
bcachefs: check_unreachable_inodes is not actually PASS_ONLINE yet
bcachefs: Don't use BTREE_ITER_cached when walking alloc btree during fsck
bcachefs: Check for dirents to overwritten inodes
bcachefs: bch2_btree_iter_peek_slot() handles navigating to nonexistent depth
bcachefs: Don't set btree_path to updtodate if we don't fill
bcachefs: __bch2_btree_pos_to_text()
bcachefs: printbuf_reset() handles tabstops
bcachefs: Silence read-only errors when deleting snapshots
...
|
||
|
Linus Torvalds
|
5d8a4bd6b2 |
pstore updates for v6.14-rc1
- pstore/blk: trivial typo fixes (Eugen Hristev) - pstore/zone: reject zero-sized allocations (Eugen Hristev) -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCZ4hRFwAKCRA2KwveOeQk u9nXAQCieFhSxc1peuUzbN2HENIIu2S/agsE9CIOQrnZEFVixAD/bIj5EMfw4sF0 T7v140vGsk7Bg9apbWhnGdoI/vzzcQg= =j5zd -----END PGP SIGNATURE----- Merge tag 'pstore-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore updates from Kees Cook: - pstore/blk: trivial typo fixes (Eugen Hristev) - pstore/zone: reject zero-sized allocations (Eugen Hristev) * tag 'pstore-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore/zone: avoid dereferencing zero sized ptr after init zones pstore/blk: trivial typo fixes |
||
|
Linus Torvalds
|
fadc3ed9ce |
execve updates for v6.14-rc1
- exec: fix up /proc/pid/comm in the execveat(AT_EMPTY_PATH) case (Tycho Andersen, Kees Cook) - binfmt_misc: Fix comment typos (Christophe JAILLET) - exec: move empty argv[0] warning closer to actual logic (Nir Lichtman) - exec: remove legacy custom binfmt modules autoloading (Nir Lichtman) - binfmt_flat: Fix integer overflow bug on 32 bit systems (Dan Carpenter) - exec: Make sure set_task_comm() always NUL-terminates - coredump: Do not lock when copying "comm" - MAINTAINERS: add auxvec.h and set myself as maintainer -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCZ4hNmQAKCRA2KwveOeQk u0/nAQCTGU0zqhdO6t7ABsL3p9kJ2jVRA5njAoX7A/9jGPSWEQD/boRMqZuUpthV nMevcQ2F4u0A7kJJBMK05YdXWHkYqgk= =49Di -----END PGP SIGNATURE----- Merge tag 'execve-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull execve updates from Kees Cook: - fix up /proc/pid/comm in the execveat(AT_EMPTY_PATH) case (Tycho Andersen, Kees Cook) - binfmt_misc: Fix comment typos (Christophe JAILLET) - move empty argv[0] warning closer to actual logic (Nir Lichtman) - remove legacy custom binfmt modules autoloading (Nir Lichtman) - Make sure set_task_comm() always NUL-terminates - binfmt_flat: Fix integer overflow bug on 32 bit systems (Dan Carpenter) - coredump: Do not lock when copying "comm" - MAINTAINERS: add auxvec.h and set myself as maintainer * tag 'execve-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: binfmt_flat: Fix integer overflow bug on 32 bit systems selftests/exec: add a test for execveat()'s comm exec: fix up /proc/pid/comm in the execveat(AT_EMPTY_PATH) case exec: Make sure task->comm is always NUL-terminated exec: remove legacy custom binfmt modules autoloading exec: move warning of null argv to be next to the relevant code fs: binfmt: Fix a typo MAINTAINERS: exec: Mark Kees as maintainer MAINTAINERS: exec: Add auxvec.h UAPI coredump: Do not lock during 'comm' reporting |
||
|
Linus Torvalds
|
0eb4aaa230 |
for-6.14-tag
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Merge tag 'for-6.14-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"User visible changes, features:
- rebuilding of the free space tree at mount time is done in more
transactions, fix potential hangs when the transaction thread is
blocked due to large amount of block groups
- more read IO balancing strategies (experimental config), add two
new ways how to select a device for read if the profiles allow that
(all RAID1*), the current default selects the device by pid which
is good on average but less performant for single reader workloads
- select preferred device for all reads (namely for testing)
- round-robin, balance reads across devices relevant for the
requested IO range
- add encoded write ioctl support to io_uring (read was added in
6.12), basis for writing send stream using that instead of
syscalls, non-blocking mode is not yet implemented
- support FS_IOC_READ_VERITY_METADATA, applications can use the
metadata to do their own verification
- pass inode's i_write_hint to bios, for parity with other
filesystems, ioctls F_GET_RW_HINT/F_SET_RW_HINT
Core:
- in zoned mode: allow to directly reclaim a block group by simply
resetting it, then it can be reused and another block group does
not need to be allocated
- super block validation now also does more comprehensive sys array
validation, adding it to the points where superblock is validated
(post-read, pre-write)
- subpage mode fixes:
- fix double accounting of blocks due to some races
- improved or fixed error handling in a few cases (compression,
delalloc)
- raid stripe tree:
- fix various cases with extent range splitting or deleting
- implement hole punching to extent range
- reduce number of stripe tree lookups during bio submission
- more self-tests
- updated self-tests (delayed refs)
- error handling improvements
- cleanups, refactoring
- remove rest of backref caching infrastructure from relocation,
not needed anymore
- error message updates
- remove unnecessary calls when extent buffer was marked dirty
- unused parameter removal
- code moved to new files
Other code changes: add rb_find_add_cached() to the rb-tree API"
* tag 'for-6.14-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (127 commits)
btrfs: selftests: add a selftest for deleting two out of three extents
btrfs: selftests: add test for punching a hole into 3 RAID stripe-extents
btrfs: selftests: add selftest for punching holes into the RAID stripe extents
btrfs: selftests: test RAID stripe-tree deletion spanning two items
btrfs: selftests: don't split RAID extents in half
btrfs: selftests: check for correct return value of failed lookup
btrfs: don't use btrfs_set_item_key_safe on RAID stripe-extents
btrfs: implement hole punching for RAID stripe extents
btrfs: fix deletion of a range spanning parts two RAID stripe extents
btrfs: fix tail delete of RAID stripe-extents
btrfs: fix front delete range calculation for RAID stripe extents
btrfs: assert RAID stripe-extent length is always greater than 0
btrfs: don't try to delete RAID stripe-extents if we don't need to
btrfs: selftests: correct RAID stripe-tree feature flag setting
btrfs: add io_uring interface for encoded writes
btrfs: remove the unused locked_folio parameter from btrfs_cleanup_ordered_extents()
btrfs: add extra error messages for delalloc range related errors
btrfs: subpage: dump the involved bitmap when ASSERT() failed
btrfs: subpage: fix the bitmap dump of the locked flags
btrfs: do proper folio cleanup when run_delalloc_nocow() failed
...
|
||
|
Linus Torvalds
|
1851bccf60 |
gfs2 changes
- In the quota code, to avoid spurious audit messages, don't call capable() when quotas are off. - When changing the 'j' flag of an inode, truncate the inode address space to avoid mixing "buffer head" and "iomap" pages. -----BEGIN PGP SIGNATURE----- iQJIBAABCAAyFiEEJZs3krPW0xkhLMTc1b+f6wMTZToFAmeOWTkUHGFncnVlbmJh QHJlZGhhdC5jb20ACgkQ1b+f6wMTZTqMEBAAh5bu0h7611UZTsYkDvGClnxc7oBo j/0JCMyeHDvIRaGBFnzFFx1QNXW9ChXy/FgocQED13LPaiZ7kuFjwQPJoW9TH440 QrWa8xpxiiSz232maP0wQ7Y6K7EW7GW9tvCrqXj64PGb56TWQu+vEcACUtL6sN3V +Xli2TljZNDwGsBQygiGvUR2ICfipFNUoV4Yrxv15WdOM1cQmF9F5P7SwFe9mCBh tjF/D/vxxmQwR5njalnF0oTFSNlQmYpuaLPzZMdOnsFbwyFda/DncdLbbl9LsmMF +C7zzAC3gY8Iq6K4azDE1SI6Gh5JGxA8lcIHtDVbUoFJwHVV/Jg8kWGPRcTuvKs+ LL8moxut6Id6HmPDmJA2tjjpKYfbnGstNdUIbozNhV5A634AmlbaqA+PwFxDcNs4 JZdbK4tPSVV7fzodQHZg0vewB+E49yBsCtZ+ows27MzgQFYWKrcngkf/Twn+e5F+ s59cFi31KzgaLMMCelkDlFwg5Dp8QDYAKZ0UYknU/rVoHFERGCrBn1QwDCk8aMa3 /IeCQGDu3ry7kpMXGWXIRu4Bmf/k1J89H2UjMdBMTquqzU6QYcKdzvE6JLt8GHTK buE/D1y9t2wxERKBmjHb6KGUcso7RCVwT48cvEPmj+7OdynBPufDGPP666gpsA46 qZNhpfMnS+f1zrQ= =0Cc4 -----END PGP SIGNATURE----- Merge tag 'gfs2-for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 Pull gfs2 updates from Andreas Gruenbacher: - In the quota code, to avoid spurious audit messages, don't call capable() when quotas are off - When changing the 'j' flag of an inode, truncate the inode address space to avoid mixing "buffer head" and "iomap" pages * tag 'gfs2-for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag gfs2: reorder capability check last |
||
|
Linus Torvalds
|
b971424b6e |
vfs-6.14-rc1.afs
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Merge tag 'vfs-6.14-rc1.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull afs updates from Christian Brauner:
"Dynamic root improvements:
- Create an /afs/.<cell> mountpoint to match the /afs/<cell>
mountpoint when a cell is created
- Add some more checks on cell names proposed by the user to prevent
dodgy symlink bodies from being created. Also prevent rootcell from
being altered once set to simplify the locking
- Change the handling of /afs/@cell from being a dentry name
substitution at lookup time to making it a symlink to the current
cell name and also provide a /afs/.@cell symlink to point to the
dotted cell mountpoint
Fixes:
- Fix the abort code check in the fallback handling for the
YFS.RemoveFile2 RPC call
- Use call->op->server() for oridnary filesystem RPC calls that have
an operation descriptor instead of call->server()"
* tag 'vfs-6.14-rc1.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
afs: Fix the fallback handling for the YFS.RemoveFile2 RPC call
afs: Make /afs/@cell and /afs/.@cell symlinks
afs: Add rootcell checks
afs: Make /afs/.<cell> as well as /afs/<cell> mountpoints
|
||
|
Linus Torvalds
|
47c9f2b3c8 |
vfs-6.14-rc1.statx.dio
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZ4pSTwAKCRCRxhvAZXjc oiSbAQCIWp8Jm2FX9Mv+eX8erLFlyQSDQauAnqPtW/SvMbpgFgEAuZOTSRU3GSqI NiowpYms9OckO638GlNHlSTUTcV4YwU= =obHT -----END PGP SIGNATURE----- Merge tag 'vfs-6.14-rc1.statx.dio' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs direct-io updates from Christian Brauner: "File systems that write out of place usually require different alignment for direct I/O writes than what they can do for reads. Add a separate dio read align field to statx, as many out of place write file systems can easily do reads aligned to the device sector size, but require bigger alignment for writes. This is usually papered over by falling back to buffered I/O for smaller writes and doing read-modify-write cycles, but performance for this sucks, so applications benefit from knowing the actual write alignment" * tag 'vfs-6.14-rc1.statx.dio' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: xfs: report larger dio alignment for COW inodes xfs: report the correct read/write dio alignment for reflinked inodes xfs: cleanup xfs_vn_getattr fs: add STATX_DIO_READ_ALIGN fs: reformat the statx definition |
||
|
Linus Torvalds
|
7e587c20ad |
vfs-6.14-rc1.libfs
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Merge tag 'vfs-6.14-rc1.libfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs libfs updates from Christian Brauner:
"This improves the stable directory offset behavior in various ways.
Stable offsets are needed so that NFS can reliably read directories on
filesystems such as tmpfs:
- Improve the end-of-directory detection
According to getdents(3), the d_off field in each returned
directory entry points to the next entry in the directory. The
d_off field in the last returned entry in the readdir buffer must
contain a valid offset value, but if it points to an actual
directory entry, then readdir/getdents can loop.
Introduce a specific fixed offset value that is placed in the d_off
field of the last entry in a directory. Some user space
applications assume that the EOD offset value is larger than the
offsets of real directory entries, so the largest valid offset
value is reserved for this purpose. This new value is never
allocated by simple_offset_add().
When ->iterate_dir() returns, getdents{64} inserts the ctx->pos
value into the d_off field of the last valid entry in the readdir
buffer. When it hits EOD, offset_readdir() sets ctx->pos to the EOD
offset value so the last entry is updated to point to the EOD
marker.
When trying to read the entry at the EOD offset, offset_readdir()
terminates immediately.
- Rely on d_children to iterate stable offset directories
Instead of using the mtree to emit entries in the order of their
offset values, use it only to map incoming ctx->pos to a starting
entry. Then use the directory's d_children list, which is already
maintained properly by the dcache, to find the next child to emit.
- Narrow the range of directory offset values returned by
simple_offset_add() to 3 .. (S32_MAX - 1) on all platforms. This
means the allocation behavior is identical on 32-bit systems,
64-bit systems, and 32-bit user space on 64-bit kernels. The new
range still permits over 2 billion concurrent entries per
directory.
- Return ENOSPC when the directory offset range is exhausted. Hitting
this error is almost impossible though.
- Remove the simple_offset_empty() helper"
* tag 'vfs-6.14-rc1.libfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
libfs: Use d_children list to iterate simple_offset directories
libfs: Replace simple_offset end-of-directory detection
Revert "libfs: fix infinite directory reads for offset dir"
Revert "libfs: Add simple_offset_empty()"
libfs: Return ENOSPC when the directory offset range is exhausted
|
||
|
Linus Torvalds
|
100ceb4817 |
vfs-6.14-rc1.mount.v2
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Merge tag 'vfs-6.14-rc1.mount.v2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs mount updates from Christian Brauner:
- Add a mountinfo program to demonstrate statmount()/listmount()
Add a new "mountinfo" sample userland program that demonstrates how
to use statmount() and listmount() to get at the same info that
/proc/pid/mountinfo provides
- Remove pointless nospec.h include
- Prepend statmount.mnt_opts string with security_sb_mnt_opts()
Currently these mount options aren't accessible via statmount()
- Add new mount namespaces to mount namespace rbtree outside of the
namespace semaphore
- Lockless mount namespace lookup
Currently we take the read lock when looking for a mount namespace to
list mounts in. We can make this lockless. The simple search case can
just use a sequence counter to detect concurrent changes to the
rbtree
For walking the list of mount namespaces sequentially via nsfs we
keep a separate rcu list as rb_prev() and rb_next() aren't usable
safely with rcu. Currently there is no primitive for retrieving the
previous list member. To do this we need a new deletion primitive
that doesn't poison the prev pointer and a corresponding retrieval
helper
Since creating mount namespaces is a relatively rare event compared
with querying mounts in a foreign mount namespace this is worth it.
Once libmount and systemd pick up this mechanism to list mounts in
foreign mount namespaces this will be used very frequently
- Add extended selftests for lockless mount namespace iteration
- Add a sample program to list all mounts on the system, i.e., in
all mount namespaces
- Improve mount namespace iteration performance
Make finding the last or first mount to start iterating the mount
namespace from an O(1) operation and add selftests for iterating the
mount table starting from the first and last mount
- Use an xarray for the old mount id
While the ida does use the xarray internally we can use it explicitly
which allows us to increment the unique mount id under the xa lock.
This allows us to remove the atomic as we're now allocating both ids
in one go
- Use a shared header for vfs sample programs
- Fix build warnings for new sample program to list all mounts
* tag 'vfs-6.14-rc1.mount.v2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
samples/vfs: fix build warnings
samples/vfs: use shared header
samples/vfs/mountinfo: Use __u64 instead of uint64_t
fs: remove useless lockdep assertion
fs: use xarray for old mount id
selftests: add listmount() iteration tests
fs: cache first and last mount
samples: add test-list-all-mounts
selftests: remove unneeded include
selftests: add tests for mntns iteration
seltests: move nsfs into filesystems subfolder
fs: simplify rwlock to spinlock
fs: lockless mntns lookup for nsfs
rculist: add list_bidir_{del,prev}_rcu()
fs: lockless mntns rbtree lookup
fs: add mount namespace to rbtree late
fs: prepend statmount.mnt_opts string with security_sb_mnt_opts()
mount: remove inlude/nospec.h include
samples: add a mountinfo program to demonstrate statmount()/listmount()
|
||
|
Linus Torvalds
|
1a89a6924b |
kernel-6.14-rc1.pid
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZ4pR0wAKCRCRxhvAZXjc ojb2AQD5QfpTEX/ju1TkenTvoNl+JfnIjaVSY40Lm9DWYzmCMAEAuRvf5WRIV713 00/RVOrUvsLobzhmnk0yw53EQ5A+pA0= =2NDA -----END PGP SIGNATURE----- Merge tag 'kernel-6.14-rc1.pid' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull pid_max namespacing update from Christian Brauner: "The pid_max sysctl is a global value. For a long time the default value has been 65535 and during the pidfd dicussions Linus proposed to bump pid_max by default. Based on this discussion systemd started bumping pid_max to 2^22. So all new systems now run with a very high pid_max limit with some distros having also backported that change. The decision to bump pid_max is obviously correct. It just doesn't make a lot of sense nowadays to enforce such a low pid number. There's sufficient tooling to make selecting specific processes without typing really large pid numbers available. In any case, there are workloads that have expections about how large pid numbers they accept. Either for historical reasons or architectural reasons. One concreate example is the 32-bit version of Android's bionic libc which requires pid numbers less than 65536. There are workloads where it is run in a 32-bit container on a 64-bit kernel. If the host has a pid_max value greater than 65535 the libc will abort thread creation because of size assumptions of pthread_mutex_t. That's a fairly specific use-case however, in general specific workloads that are moved into containers running on a host with a new kernel and a new systemd can run into issues with large pid_max values. Obviously making assumptions about the size of the allocated pid is suboptimal but we have userspace that does it. Of course, giving containers the ability to restrict the number of processes in their respective pid namespace indepent of the global limit through pid_max is something desirable in itself and comes in handy in general. Independent of motivating use-cases the existence of pid namespaces makes this also a good semantical extension and there have been prior proposals pushing in a similar direction. The trick here is to minimize the risk of regressions which I think is doable. The fact that pid namespaces are hierarchical will help us here. What we mostly care about is that when the host sets a low pid_max limit, say (crazy number) 100 that no descendant pid namespace can allocate a higher pid number in its namespace. Since pid allocation is hierarchial this can be ensured by checking each pid allocation against the pid namespace's pid_max limit. This means if the allocation in the descendant pid namespace succeeds, the ancestor pid namespace can reject it. If the ancestor pid namespace has a higher limit than the descendant pid namespace the descendant pid namespace will reject the pid allocation. The ancestor pid namespace will obviously not care about this. All in all this means pid_max continues to enforce a system wide limit on the number of processes but allows pid namespaces sufficient leeway in handling workloads with assumptions about pid values and allows containers to restrict the number of processes in a pid namespace through the pid_max interface" * tag 'kernel-6.14-rc1.pid' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: tests/pid_namespace: add pid_max tests pid: allow pid_max to be set per pid namespace |
||
|
Linus Torvalds
|
37c12fcb3c |
kernel-6.14-rc1.cred
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Merge tag 'kernel-6.14-rc1.cred' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull cred refcount updates from Christian Brauner:
"For the v6.13 cycle we switched overlayfs to a variant of
override_creds() that doesn't take an extra reference. To this end the
{override,revert}_creds_light() helpers were introduced.
This generalizes the idea behind {override,revert}_creds_light() to
the {override,revert}_creds() helpers. Afterwards overriding and
reverting credentials is reference count free unless the caller
explicitly takes a reference.
All callers have been appropriately ported"
* tag 'kernel-6.14-rc1.cred' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (30 commits)
cred: fold get_new_cred_many() into get_cred_many()
cred: remove unused get_new_cred()
nfsd: avoid pointless cred reference count bump
cachefiles: avoid pointless cred reference count bump
dns_resolver: avoid pointless cred reference count bump
trace: avoid pointless cred reference count bump
cgroup: avoid pointless cred reference count bump
acct: avoid pointless reference count bump
io_uring: avoid pointless cred reference count bump
smb: avoid pointless cred reference count bump
cifs: avoid pointless cred reference count bump
cifs: avoid pointless cred reference count bump
ovl: avoid pointless cred reference count bump
open: avoid pointless cred reference count bump
nfsfh: avoid pointless cred reference count bump
nfs/nfs4recover: avoid pointless cred reference count bump
nfs/nfs4idmap: avoid pointless reference count bump
nfs/localio: avoid pointless cred reference count bumps
coredump: avoid pointless cred reference count bump
binfmt_misc: avoid pointless cred reference count bump
...
|
||
|
Linus Torvalds
|
5f85bd6aec |
vfs-6.14-rc1.pidfs
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZ4pRdwAKCRCRxhvAZXjc otQjAP9ooUH2d/jHZ49Rw4q/3BkhX8R2fFEZgj2PMvtYlr0jQwD/d8Ji0k4jINTL AIFRfPdRwrD+X35IUK3WPO42YFZ4rAg= =5wgo -----END PGP SIGNATURE----- Merge tag 'vfs-6.14-rc1.pidfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull pidfs updates from Christian Brauner: - Rework inode number allocation Recently we received a patchset that aims to enable file handle encoding and decoding via name_to_handle_at(2) and open_by_handle_at(2). A crucical step in the patch series is how to go from inode number to struct pid without leaking information into unprivileged contexts. The issue is that in order to find a struct pid the pid number in the initial pid namespace must be encoded into the file handle via name_to_handle_at(2). This can be used by containers using a separate pid namespace to learn what the pid number of a given process in the initial pid namespace is. While this is a weak information leak it could be used in various exploits and in general is an ugly wart in the design. To solve this problem a new way is needed to lookup a struct pid based on the inode number allocated for that struct pid. The other part is to remove the custom inode number allocation on 32bit systems that is also an ugly wart that should go away. Allocate unique identifiers for struct pid by simply incrementing a 64 bit counter and insert each struct pid into the rbtree so it can be looked up to decode file handles avoiding to leak actual pids across pid namespaces in file handles. On both 64 bit and 32 bit the same 64 bit identifier is used to lookup struct pid in the rbtree. On 64 bit the unique identifier for struct pid simply becomes the inode number. Comparing two pidfds continues to be as simple as comparing inode numbers. On 32 bit the 64 bit number assigned to struct pid is split into two 32 bit numbers. The lower 32 bits are used as the inode number and the upper 32 bits are used as the inode generation number. Whenever a wraparound happens on 32 bit the 64 bit number will be incremented by 2 so inode numbering starts at 2 again. When a wraparound happens on 32 bit multiple pidfds with the same inode number are likely to exist. This isn't a problem since before pidfs pidfds used the anonymous inode meaning all pidfds had the same inode number. On 32 bit sserspace can thus reconstruct the 64 bit identifier by retrieving both the inode number and the inode generation number to compare, or use file handles. This gives the same guarantees on both 32 bit and 64 bit. - Implement file handle support This is based on custom export operation methods which allows pidfs to implement permission checking and opening of pidfs file handles cleanly without hacking around in the core file handle code too much. - Support bind-mounts Allow bind-mounting pidfds. Similar to nsfs let's allow bind-mounts for pidfds. This allows pidfds to be safely recovered and checked for process recycling. Instead of checking d_ops for both nsfs and pidfs we could in a follow-up patch add a flag argument to struct dentry_operations that functions similar to file_operations->fop_flags. * tag 'vfs-6.14-rc1.pidfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: selftests: add pidfd bind-mount tests pidfs: allow bind-mounts pidfs: lookup pid through rbtree selftests/pidfd: add pidfs file handle selftests pidfs: check for valid ioctl commands pidfs: implement file handle support exportfs: add permission method fhandle: pull CAP_DAC_READ_SEARCH check into may_decode_fh() exportfs: add open method fhandle: simplify error handling pseudofs: add support for export_ops pidfs: support FS_IOC_GETVERSION pidfs: remove 32bit inode number handling pidfs: rework inode number allocation |
||
|
Linus Torvalds
|
4b84a4c8d4 |
vfs-6.14-rc1.misc
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Merge tag 'vfs-6.14-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull misc vfs updates from Christian Brauner:
"Features:
- Support caching symlink lengths in inodes
The size is stored in a new union utilizing the same space as
i_devices, thus avoiding growing the struct or taking up any more
space
When utilized it dodges strlen() in vfs_readlink(), giving about
1.5% speed up when issuing readlink on /initrd.img on ext4
- Add RWF_DONTCACHE iocb and FOP_DONTCACHE file_operations flag
If a file system supports uncached buffered IO, it may set
FOP_DONTCACHE and enable support for RWF_DONTCACHE.
If RWF_DONTCACHE is attempted without the file system supporting
it, it'll get errored with -EOPNOTSUPP
- Enable VBOXGUEST and VBOXSF_FS on ARM64
Now that VirtualBox is able to run as a host on arm64 (e.g. the
Apple M3 processors) we can enable VBOXSF_FS (and in turn
VBOXGUEST) for this architecture.
Tested with various runs of bonnie++ and dbench on an Apple MacBook
Pro with the latest Virtualbox 7.1.4 r165100 installed
Cleanups:
- Delay sysctl_nr_open check in expand_files()
- Use kernel-doc includes in fiemap docbook
- Use page->private instead of page->index in watch_queue
- Use a consume fence in mnt_idmap() as it's heavily used in
link_path_walk()
- Replace magic number 7 with ARRAY_SIZE() in fc_log
- Sort out a stale comment about races between fd alloc and dup2()
- Fix return type of do_mount() from long to int
- Various cosmetic cleanups for the lockref code
Fixes:
- Annotate spinning as unlikely() in __read_seqcount_begin
The annotation already used to be there, but got lost in commit
|
||
|
Linus Torvalds
|
d582952424 |
vfs-6.14-rc1.kcore
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZ4pRDgAKCRCRxhvAZXjc ojt3AQCY/X9EHTeiJ/1eBZd/mopcu6ftyjcVpiCIZzqXnr6DKAD+Odb/8C7/Axlg A/ne6RjV4+DXOz8qJpaRAu4aV2zyMAs= =xDe5 -----END PGP SIGNATURE----- Merge tag 'vfs-6.14-rc1.kcore' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull /proc/kcore updates from Christian Brauner: "The performance of /proc/kcore reads has been showing up as a bottleneck for the drgn debugger. drgn scripts often spend ~25% of their time in the kernel reading from /proc/kcore. A lot of this overhead comes from silly inefficiencies. This pull request contains fixes for the low-hanging fruit. The fixes are all fairly small and straightforward. The result is a 25% improvement in read latency in micro-benchmarks (from ~235 nanoseconds to ~175) and a 15% improvement in execution time for real-world drgn scripts: - Make /proc/kcore entry permanent - Avoid walking the list on every read - Use percpu_rw_semaphore for kclist_lock - Make Omar Sandoval the official maintainer for /proc/kcore" * tag 'vfs-6.14-rc1.kcore' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: MAINTAINERS: add me as /proc/kcore maintainer proc/kcore: use percpu_rw_semaphore for kclist_lock proc/kcore: don't walk list on every read proc/kcore: mark proc entry as permanent |
||
|
Linus Torvalds
|
ca56a74a31 |
vfs-6.14-rc1.netfs
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Merge tag 'vfs-6.14-rc1.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs netfs updates from Christian Brauner:
"This contains read performance improvements and support for monolithic
single-blob objects that have to be read/written as such (e.g. AFS
directory contents). The implementation of the two parts is interwoven
as each makes the other possible.
- Read performance improvements
The read performance improvements are intended to speed up some
loss of performance detected in cifs and to a lesser extend in afs.
The problem is that we queue too many work items during the
collection of read results: each individual subrequest is collected
by its own work item, and then they have to interact with each
other when a series of subrequests don't exactly align with the
pattern of folios that are being read by the overall request.
Whilst the processing of the pages covered by individual
subrequests as they complete potentially allows folios to be woken
in parallel and with minimum delay, it can shuffle wakeups for
sequential reads out of order - and that is the most common I/O
pattern.
The final assessment and cleanup of an operation is then held up
until the last I/O completes - and for a synchronous sequential
operation, this means the bouncing around of work items just adds
latency.
Two changes have been made to make this work:
(1) All collection is now done in a single "work item" that works
progressively through the subrequests as they complete (and
also dispatches retries as necessary).
(2) For readahead and AIO, this work item be done on a workqueue
and can run in parallel with the ultimate consumer of the data;
for synchronous direct or unbuffered reads, the collection is
run in the application thread and not offloaded.
Functions such as smb2_readv_callback() then just tell netfslib
that the subrequest has terminated; netfslib does a minimal bit of
processing on the spot - stat counting and tracing mostly - and
then queues/wakes up the worker. This simplifies the logic as the
collector just walks sequentially through the subrequests as they
complete and walks through the folios, if buffered, unlocking them
as it goes. It also keeps to a minimum the amount of latency
injected into the filesystem's low-level I/O handling
The way netfs supports filesystems using the deprecated
PG_private_2 flag is changed: folios are flagged and added to a
write request as they complete and that takes care of scheduling
the writes to the cache. The originating read request can then just
unlock the pages whatever happens.
- Single-blob object support
Single-blob objects are files for which the content of the file
must be read from or written to the server in a single operation
because reading them in parts may yield inconsistent results. AFS
directories are an example of this as there exists the possibility
that the contents are generated on the fly and would differ between
reads or might change due to third party interference.
Such objects will be written to and retrieved from the cache if one
is present, though we allow/may need to propose multiple
subrequests to do so. The important part is that read from/write to
the *server* is monolithic.
Single blob reading is, for the moment, fully synchronous and does
result collection in the application thread and, also for the
moment, the API is supplied the buffer in the form of a folio_queue
chain rather than using the pagecache.
- Related afs changes
This series makes a number of changes to the kafs filesystem,
primarily in the area of directory handling:
- AFS's FetchData RPC reply processing is made partially
asynchronous which allows the netfs_io_request's outstanding
operation counter to be removed as part of reducing the
collection to a single work item.
- Directory and symlink reading are plumbed through netfslib using
the single-blob object API and are now cacheable with fscache.
This also allows the afs_read struct to be eliminated and
netfs_io_subrequest to be used directly instead.
- Directory and symlink content are now stored in a folio_queue
buffer rather than in the pagecache. This means we don't require
the RCU read lock and xarray iteration to access it, and folios
won't randomly disappear under us because the VM wants them
back.
- The vnode operation lock is changed from a mutex struct to a
private lock implementation. The problem is that the lock now
needs to be dropped in a separate thread and mutexes don't
permit that.
- When a new directory or symlink is created, we now initialise it
locally and mark it valid rather than downloading it (we know
what it's likely to look like).
- We now use the in-directory hashtable to reduce the number of
entries we need to scan when doing a lookup. The edit routines
have to maintain the hash chains.
- Cancellation (e.g. by signal) of an async call after the
rxrpc_call has been set up is now offloaded to the worker thread
as there will be a notification from rxrpc upon completion. This
avoids a double cleanup.
- A "rolling buffer" implementation is created to abstract out the
two separate folio_queue chaining implementations I had (one for
read and one for write).
- Functions are provided to create/extend a buffer in a folio_queue
chain and tear it down again.
This is used to handle AFS directories, but could also be used to
create bounce buffers for content crypto and transport crypto.
- The was_async argument is dropped from netfs_read_subreq_terminated()
Instead we wake the read collection work item by either queuing it
or waking up the app thread.
- We don't need to use BH-excluding locks when communicating between
the issuing thread and the collection thread as neither of them now
run in BH context.
- Also included are a number of new tracepoints; a split of the
netfslib write collection code to put retrying into its own file
(it gets more complicated with content encryption).
- There are also some minor fixes AFS included, including fixing the
AFS directory format struct layout, reducing some directory
over-invalidation and making afs_mkdir() translate EEXIST to
ENOTEMPY (which is not available on all systems the servers
support).
- Finally, there's a patch to try and detect entry into the folio
unlock function with no folio_queue structs in the buffer (which
isn't allowed in the cases that can get there).
This is a debugging patch, but should be minimal overhead"
* tag 'vfs-6.14-rc1.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (31 commits)
netfs: Report on NULL folioq in netfs_writeback_unlock_folios()
afs: Add a tracepoint for afs_read_receive()
afs: Locally initialise the contents of a new symlink on creation
afs: Use the contained hashtable to search a directory
afs: Make afs_mkdir() locally initialise a new directory's content
netfs: Change the read result collector to only use one work item
afs: Make {Y,}FS.FetchData an asynchronous operation
afs: Fix cleanup of immediately failed async calls
afs: Eliminate afs_read
afs: Use netfslib for symlinks, allowing them to be cached
afs: Use netfslib for directories
afs: Make afs_init_request() get a key if not given a file
netfs: Add support for caching single monolithic objects such as AFS dirs
netfs: Add functions to build/clean a buffer in a folio_queue
afs: Add more tracepoints to do with tracking validity
cachefiles: Add auxiliary data trace
cachefiles: Add some subrequest tracepoints
netfs: Remove some extraneous directory invalidations
afs: Fix directory format encoding struct
afs: Fix EEXIST error returned from afs_rmdir() to be ENOTEMPTY
...
|
||
|
Linus Torvalds
|
91309a7082 |
x86: use cmov for user address masking
This was a suggestion by David Laight, and while I was slightly worried that some micro-architecture would predict cmov like a conditional branch, there is little reason to actually believe any core would be that broken. Intel documents that their existing cores treat CMOVcc as a data dependency that will constrain speculation in their "Speculative Execution Side Channel Mitigations" whitepaper: "Other instructions such as CMOVcc, AND, ADC, SBB and SETcc can also be used to prevent bounds check bypass by constraining speculative execution on current family 6 processors (Intel® Core™, Intel® Atom™, Intel® Xeon® and Intel® Xeon Phi™ processors)" and while that leaves the future uarch issues open, that's certainly true of our traditional SBB usage too. Any core that predicts CMOV will be unusable for various crypto algorithms that need data-independent timing stability, so let's just treat CMOV as the safe choice that simplifies the address masking by avoiding an extra instruction and doesn't need a temporary register. Suggested-by: David Laight <David.Laight@aculab.com> Link: https://www.intel.com/content/dam/develop/external/us/en/documents/336996-speculative-execution-side-channel-mitigations.pdf Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
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Linus Torvalds
|
027ea4f5f2 |
x86: use proper 'clac' and 'stac' opcode names
Back when we added SMAP support, all versions of binutils didn't necessarily understand the 'clac' and 'stac' instructions. So we implemented those instructions manually as ".byte" sequences. But we've since upgraded the minimum version of binutils to version 2.25, and that included proper support for the SMAP instructions, and there's no reason for us to use some line noise to express them any more. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Christian Brauner
|
68e6b7d98b
|
samples/vfs: fix build warnings
Fix build warnings reported from linux-next. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Link: https://lore.kernel.org/r/20250120192504.4a1965a0@canb.auug.org.au Signed-off-by: Christian Brauner <brauner@kernel.org> |
||
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Christian Brauner
|
f9d94f78a8
|
samples/vfs: use shared header
Share some infrastructure between sample programs and fix a build failure that was reported. Reported-by: Sasha Levin <sashal@kernel.org> Link: https://lore.kernel.org/r/Z42UkSXx0MS9qZ9w@lappy Link: https://qa-reports.linaro.org/lkft/sashal-linus-next/build/v6.13-rc7-511-g109a8e0fa9d6/testrun/26809210/suite/build/test/gcc-8-allyesconfig/log Signed-off-by: Christian Brauner <brauner@kernel.org> |
||
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Linus Torvalds
|
5293b5f97e |
Merge branch 'vsnprintf'
This merges the vsnprintf internal cleanups I did, which were triggered
by a combination of performance issues (see for example commit
|
||
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Linus Torvalds
|
ffd294d346 | Linux 6.13 | ||
|
Linus Torvalds
|
9528d418de |
- Mark serialize() noinstr so that it can be used from instrumentation-free
code - Make sure FRED's RSP0 MSR is synchronized with its corresponding per-CPU value in order to avoid double faults in hotplug scenarios - Disable EXECMEM_ROX on x86 for now because it didn't receive proper x86 maintainers review, went in and broke a bunch of things -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmeM5PkACgkQEsHwGGHe VUrrsRAAkQLbaww4SwB2CAS0VARt/ethSuna+uElVfm74IoQqblBCzLAe+Gd6aWR ANSpsPkKumfsFu6j8+KCDZf86SnToxEbKv8+xV0ZIohFYL7DDFkuhDsyuWp2nBTe E9FCOY2J6w4JTik1QuhCnyMjNg3UFE/I9nAa3gwqOhLxZiyuSdzCZ1Vs3NX2zcmv x8zht+ZY+y/qgn6yuVcPoCwx6QlkoWxoJA6cOIwNdJ6mVOruYb7Aozmix6bL6oDS 5qPoz8qQyAQbPS++ezb80facZqGx2kvw8Alz5msxkRBYvjnckjEd08+QS7y/7fet 0XmJh+RPpTL8krG2na5JE5RtMTTHuj0oEu/vIUOJ42PGfhaebaYYXwbI0Nub4hDv dCddIq+WZwk+Jn9jTGnkW2894ozmwE/l+GWbJ7MhWH02Mbbg/vMrebj4VIkGTFL0 xlU7KGiRPVgZa3S9A3zhh7nY9XEK5PFUMpSFFY5G657C+HP+wSyEZNqEjdsxV8nJ SZBOuzWUoWbhIeXNf+zkf2x2zrrkFwqIZG1H5fSqQF1tDaZVkBgkWsWBP4zuVnXo rS/9dBJeyzWLXMY0ZQdO5Tk32/ICkgqlsQFPiQL4shn2+1OnLRfUqzF8MCQZWypt KU8xkRGzu3vGHmVeW4Le39z/vooLbO+0GfBcj+iYMHuhCnQFCEA= =b6qH -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Mark serialize() noinstr so that it can be used from instrumentation- free code - Make sure FRED's RSP0 MSR is synchronized with its corresponding per-CPU value in order to avoid double faults in hotplug scenarios - Disable EXECMEM_ROX on x86 for now because it didn't receive proper x86 maintainers review, went in and broke a bunch of things * tag 'x86_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/asm: Make serialize() always_inline x86/fred: Fix the FRED RSP0 MSR out of sync with its per-CPU cache x86: Disable EXECMEM_ROX support |
||
|
Linus Torvalds
|
25144ea31b |
- Reset hrtimers correctly when a CPU hotplug state traversal happens
"half-ways" and leaves hrtimers not (re-)initialized properly - Annotate accesses to a timer group's ignore flag to prevent KCSAN from raising data_race warnings - Make sure timer group initialization is visible to timer tree walkers and avoid a hypothetical race - Fix another race between CPU hotplug and idle entry/exit where timers on a fully idle system are getting ignored - Fix a case where an ignored signal is still being handled which it shouldn't be -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmeM4vgACgkQEsHwGGHe VUpw3RAAnKu9B1bizT4lAfK4dsh9I/beDmeCaLZ8kWWq6Ot4LJry8qsAnr8Pami9 WsFxn/LSCvqsTOZ5aSuYNyWpeUJBrHzCvaTrdpOfgpgq1eZzS/iuuZBXJtV018dp DKVnjHSjCseXW9EfquXHcHIaHswzvdAsep/y8qTRiJlJ13lmihGOxbQDjQTWP9mm geYDXKaih25dMeON7RJ+ND6Lnai8lfxyncv7HPE5wAo4Exr5jCDPIBHSXhE4Hgde f4SnBnvevJCDKwbrvpN4ecgFLBj4FIe80TiKFpGDk1rFG0myLQrDps6RMfZ6XzB4 duEu5chfsECbp3ioq7nC/6hRuJCIXJrN20Ij0MQAGFGPKO+uKlSfWVY4Zqc3lbxZ xROHxTeYYram8RIzclUnwhprZug5SN3PUyyvAYgswLxc4tKJ39elHIkh5c+TReHK qFG+//Xnyd9dmYNb+SwbDRps17F50bJLDhOS+7FwkYRkCG8NoxlR2EAJeI0RGBzL 1B9EE5Nht9awwzWtVCbJizyfbkRZSok5lToyqPIyjsrmueiz+qiZDnAdqhiArfJ7 ThcN21BKSvMBJ5/tEyAPfE7dK08Sxq6oBuP8mtscv0CK9cU1sis99/0COwfclhlm 8EfAyHpIz7cMsmnENAURMAyeB3L4HRIc8FJUw60IO9HRe6RH1Hs= =Xfav -----END PGP SIGNATURE----- Merge tag 'timers_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Borislav Petkov: - Reset hrtimers correctly when a CPU hotplug state traversal happens "half-ways" and leaves hrtimers not (re-)initialized properly - Annotate accesses to a timer group's ignore flag to prevent KCSAN from raising data_race warnings - Make sure timer group initialization is visible to timer tree walkers and avoid a hypothetical race - Fix another race between CPU hotplug and idle entry/exit where timers on a fully idle system are getting ignored - Fix a case where an ignored signal is still being handled which it shouldn't be * tag 'timers_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: hrtimers: Handle CPU state correctly on hotplug timers/migration: Annotate accesses to ignore flag timers/migration: Enforce group initialization visibility to tree walkers timers/migration: Fix another race between hotplug and idle entry/exit signal/posixtimers: Handle ignore/blocked sequences correctly |
||
|
Linus Torvalds
|
b031457ab1 |
- Fix an OF node leak in irqchip init's error handling path
- Fix sunxi systems to wake up from suspend with an NMI by pressing the power button - Do not spuriously enable interrupts in gic-v3 in a nested interrupts-off section - Make sure gic-v3 handles properly a failure to enter a low power state -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmeM3eIACgkQEsHwGGHe VUqbEw/7BfNk7aiL9OrHg9J5IPE51hSzctr+MrlqRPkBBdpQF5Q4HC4R7ZlSBy44 k8zR96jO6qCgo+rObj1BmtYk6Yndxf1WDauVovaK774IMJVyhtJ4hGvPCYt1jOYt BZ/rF3mkPxC8ui/e2HsZVwMXjmuPaf6tZ8Bvsof0qrxy6ayh+L4b8KPBYXtXdoYr GxwuIoK7VHDj+0HTcBtzCAB3CLhYAeknwVGeGMP9xnE4DkqoYurfsmY60OnIXz0n j2oTTeQaLHFcAXcw5B7jABYeCAh3UfrKg9Og108z8aQ3hvTcGvM6ou/bBdVUVDSY E2bCW8DC2hmHUqEUQ2zW5CueVFCBkyi/JYbkuXG56gGH/qZ2moIcSm01ELNxiX4X jh6StDOKhqczSJb0rbzNK8BT8ZfiJK4OQSJOvIWyKEb3gEJxW3pEuFHiKcUECGZe EAXo81UF7R5eMFmJubAa1LYw60LSD83/1SKbeXHT5GnMWA51YIL16xYUsthpQnpV xZ/XVtPU1oM2cl+03q70VSVPZw0Eisd5i+5TSX9D0hdXfAD4g070oaOEZEc+ZFEj 7VO68AmGgAb1ZoKFNxDt/+tM/r4GJxiKTqMgjYX/dLN5jhtTbHi8Nui9h4m8WGqK 58WjqDuba7ajrYpt8ah8uWd8lU2zFvtFNXTQl6YS8oVPbJM2CxY= =Hjnc -----END PGP SIGNATURE----- Merge tag 'irq_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Borislav Petkov: - Fix an OF node leak in irqchip init's error handling path - Fix sunxi systems to wake up from suspend with an NMI by pressing the power button - Do not spuriously enable interrupts in gic-v3 in a nested interrupts-off section - Make sure gic-v3 handles properly a failure to enter a low power state * tag 'irq_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip: Plug a OF node reference leak in platform_irqchip_probe() irqchip/sunxi-nmi: Add missing SKIP_WAKE flag irqchip/gic-v3-its: Don't enable interrupts in its_irq_set_vcpu_affinity() irqchip/gic-v3: Handle CPU_PM_ENTER_FAILED correctly |
||
|
Linus Torvalds
|
8ff6d472ab |
- Do not adjust the weight of empty group entities and avoid scheduling
artifacts - Avoid scheduling lag by computing lag properly and thus address an EEVDF entity placement issue -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmeM2+8ACgkQEsHwGGHe VUrqHA/+PyPsILNfDFnaXD/Shv7kCgk3hH2YVrCnyIQn8fhTCL+K0luXRRmAPhl1 pEbRyEtVRXZM9WyHJ1r7VmnIHVanUKWcuZzAx8HT9b7Tkrqy/xSriH/jAV7FYG9h gIhWA4vXT34HG2MQHTecJ/4gvkeI5tV93nkZ6vwEwwN4pGxSvijPR3yr3yl286Nt BlHP9cXBWWsxTq4CYb2j5q9nmymKuiDmhD8jc1fVjDKxjmrNHEwX5mtvtRLGI1dR O4pjUEqYQ+TWIkX8ZIRBPzLd9b6750ncO/9yb24cY7Z3RMKov4wz8b819Dt77cTp XF+bT+8fsaKNRjkzPEseZU4OL16ZO+33Kcn+JoNPWvbONgFKusZ4qkCCwvWpiQlV 0Eddh1XjKBoXA1tR6VrREcUKQ2zWoXrn8tlHUTMfPuPq1jlbQNtzN7OWcR+WBy7L FiClWzWLv0fCeTXaAEcO9+/MN5z2lDQsJRiLtAlGh0JJU6/1H6IVX2tSZllkpR/R 5pyHCpYsh5cucx6cQPk+rp9O6PDYu2frMuJ8itWlQLHeSzjzOoeE6EwwZcMQG4xb UG/azMbmqWrtmZqCgNCBtq7RAkVRe0IuxWuCtV1VkatU+2RXdtV85tVKn/JG2KLW 05c8GTdQZgnoY65/TZHwudhkzytclynKrrvhfKFllAWnb8D8gyQ= =fZWm -----END PGP SIGNATURE----- Merge tag 'sched_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Borislav Petkov: - Do not adjust the weight of empty group entities and avoid scheduling artifacts - Avoid scheduling lag by computing lag properly and thus address an EEVDF entity placement issue * tag 'sched_urgent_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/fair: Fix update_cfs_group() vs DELAY_DEQUEUE sched/fair: Fix EEVDF entity placement bug causing scheduling lag |
||
Al Viro
|
561e3a0c40 |
io_uring/fdinfo: fix io_uring_show_fdinfo() misuse of ->d_iname
Output of io_uring_show_fdinfo() has several problems: * racy use of ->d_iname * junk if the name is long - in that case it's not stored in ->d_iname at all * lack of quoting (names can contain newlines, etc. - or be equal to "<none>", for that matter). * lines for empty slots are pointless noise - we already have the total amount, so having just the non-empty ones would carry the same information. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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|
Linus Torvalds
|
fda5e3f284 |
Fix regression in GFP output in trace events
It was reported that the GFP flags in trace events went from human
readable to just their hex values:
gfp_flags=GFP_HIGHUSER_MOVABLE|__GFP_COMP to gfp_flags=0x140cca
This was caused by a change that added the use of enums in calculating
the GFP flags. As defines get translated into their values in the
trace event format files, the user space tooling could easily convert
the GFP flags into their symbols via the __print_flags() helper macro.
The problem is that enums do not get converted, and the names of the
enums show up in the format files and user space tooling cannot translate
them.
Add TRACE_DEFINE_ENUM() around the enums used for GFP flags which is the
tracing infrastructure macro that informs the tracing subsystem what
the values for enums and it can then expose that to user space.
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Merge tag 'trace-v6.13-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fix from Steven Rostedt:
"Fix regression in GFP output in trace events
It was reported that the GFP flags in trace events went from human
readable to just their hex values:
gfp_flags=GFP_HIGHUSER_MOVABLE|__GFP_COMP to gfp_flags=0x140cca
This was caused by a change that added the use of enums in calculating
the GFP flags.
As defines get translated into their values in the trace event format
files, the user space tooling could easily convert the GFP flags into
their symbols via the __print_flags() helper macro.
The problem is that enums do not get converted, and the names of the
enums show up in the format files and user space tooling cannot
translate them.
Add TRACE_DEFINE_ENUM() around the enums used for GFP flags which is
the tracing infrastructure macro that informs the tracing subsystem
what the values for enums and it can then expose that to user space"
* tag 'trace-v6.13-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: gfp: Fix the GFP enum values shown for user space tracing tools
|
||
|
Linus Torvalds
|
595523945b |
Devicetree fixes for 6.13, part 2:
Another fix and testcase to avoid the newly added WARN in the case of non-translatable addresses. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmeK0gAACgkQ+vtdtY28 YcNanRAAjtXeeRK8NZJ9JfjTDaNMxQJ89WVSKmbJBNH8M/hWFK9eq2fJvNwnPJJT 4xHfWvNr7znyC2kLm6k/LKGmyV/mQqiJ8vCaBKQ1KssjQ1hXR7JiXbniw78Rc0LD zfY9nDxMRm8jJhz5T0TNfhWn1bBAUA9dibew8etdo2KqCXGrFnGIZoeFU/ro8Tzy /bW90QhlUxze9V4bH/4UBvTmfK8WmSTobG9r7Z2/YXcbTxB1uDGKZhV4jhJ4Issa qrue201VlReHdRmiYWeDz57m/aXBudOvLaDJVymzoYJU5FypNH/757cvmysiQxzq tRRLgZLhAye5qB3HCX5xa6v3CvAvuf01EzTMMLKuKA4IkkaoO6CjjG7D/ip4lvdc Ekt4OFGYdxGQaJNeXmaLioJzhrsS0NQe4ZFUQF1YnMdOfI3vneVsRcG6CHgKyfft pnoBiakIiapNj4S/UTn+A2bI+/rG0P9rbMwhpb3ojJBlp5IpC/8vqKzeA8Hzy19I 3Yi3lfX4sscSvQJk6izkTxwDMfx/FsrQfkf6PS8eYfhAlyMcc1JKuxN15sIoEth7 TapRH0hR5aCe64jYWpIEIwaVb+d2izdEPf+9Dd7v/LBRe44mvHnLAMs2936UxvUg U/dKP9iR/pWaibPpIGuK6RCRY4uO6qJfzwvSRPrJNohZUk8RNhM= =Uw0f -----END PGP SIGNATURE----- Merge tag 'devicetree-fixes-for-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: "Another fix and testcase to avoid the newly added WARN in the case of non-translatable addresses" * tag 'devicetree-fixes-for-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: of/address: Fix WARN when attempting translating non-translatable addresses of/unittest: Add test that of_address_to_resource() fails on non-translatable address |
||
|
Linus Torvalds
|
ed9add2b32 |
soc: fixes for 6.13, part 4
Two last minute fixes: one build issue on TI soc drivers, and a regression in the renesas reset controller driver. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmeKhqUACgkQYKtH/8kJ Uie9ARAAxtghxRPixgucuNr2qgLB/zaCJ8r78DrS70Duc6meyH82uOfv0zBgKHbi y/a09FsLbJUG6jC2Ipd2gxXJ3U2mTHisIYEcCw6bmppLHcByteI7bkB5xqv8Sw4V p0n4eqohQ8FruzCdHQgKA8P3C1Bw3t4m/ODzEc/gs6RFyfQdfRHHGtFuN7wzjcpu pzL4q2n2wuNv6ys5o/QLPlP8zrskSemhJvNxBozq/Lfkh1eCPPo4xnKguCXPnip3 VyJYT85UpqyyB7ngKoSw4CaL+eMHSMvT19AkzDRffay47dAhOvgKzh3MROWHFVp2 9NR5XFTQShmSobxevM8arLJUbZt0lyRxZoB+/708WMHWNCy3OPWWRAaZNr7uNyAk 8J7gCWN34nOX657jlBgYYZmp27yspgyGTe7MOWr65qiBVWFBKfZvppyyBvbfgXuG A4xcGPpa20lucx2npbEzJ4TrRD3CMSfMFMK7xqBdBYdGMJELihRVYg8Frq4GYWNE SfBFsLMTM+rq2jPg1t65Y8aYK1Y7xABos1OT7Gai8+6nLlOgAt7lk2SlIqzNemG9 0ME4DAp1SG/bgM30kVraU6/L1uZmmoHhJEeTS2GDFC5XHdfz79gUzU97l/tPaa+w T3C6y42Ehl+LZnP+GAdIdvecQv8O+zTIlRVqkE35Cx7Igt5mAdE= =UIAA -----END PGP SIGNATURE----- Merge tag 'soc-fixes-6.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC fixes from Arnd Bergmann: "Two last minute fixes: one build issue on TI soc drivers, and a regression in the renesas reset controller driver" * tag 'soc-fixes-6.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: soc: ti: pruss: Fix pruss APIs reset: rzg2l-usbphy-ctrl: Assign proper of node to the allocated device |
||
|
Linus Torvalds
|
775a15eaf7 |
platform-drivers-x86 for v6.13-6
Fixes: - dell-uart-backlight: Fix serdev race - lenovo-yoga-tab2-pro-1380-fastcharger: Fix serdev race The following is an automated shortlog grouped by driver: dell-uart-backlight: - fix serdev race lenovo-yoga-tab2-pro-1380-fastcharger: - fix serdev race -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSCSUwRdwTNL2MhaBlZrE9hU+XOMQUCZ4p5jwAKCRBZrE9hU+XO MWJ3AQDgEOM9WkVFa8xyyol4tHloy+9Li4Kb4CIcDKGdTXdu0AEAstMDX7NWhVc4 1F7mfC4K0t9OejC0bgU76v7PbdEayAs= =EQTo -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v6.13-6' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull x86 platform driver fixes from Ilpo Järvinen: - dell-uart-backlight: Fix serdev race - lenovo-yoga-tab2-pro-1380-fastcharger: Fix serdev race * tag 'platform-drivers-x86-v6.13-6' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: platform/x86: lenovo-yoga-tab2-pro-1380-fastcharger: fix serdev race platform/x86: dell-uart-backlight: fix serdev race |
||
|
Linus Torvalds
|
42f38ccb00 |
Very late this cycle we identified a breakage that could potentially hit
several spi controller drivers because of a change in the way the dummy cycles validity is checked. We do not know at the moment how to handle the situation properly, so we prefer to revert the faulty patch for the next release. -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE9HuaYnbmDhq/XIDIJWrqGEe9VoQFAmeKqocACgkQJWrqGEe9 VoQcWQgAv8bth4dYDRDYkzpfC2vkysf/kXz0FX3yhHV/lvRTzhcupikscZYqdygW gVwRhjSBreoJ5kuaK/oI2Xsv4+czpkYkrG0EYaXngqXIquzF/43Dj4iiti+B7LrJ jLXAijuHNhmPn8y8fRWq3V0h8ean7z/eSDY4fHxWq3DYjmAUHDtuIhFnKiciDhQH Jj9O/LSgEvLneZ3dOqxOvj8Au0gXK4+e3st9OFv2OHMaJsQ9Q7ctEK4dHXpao8YT XMP5oJN/Pv2fCxohcpYHFEl/1Wbf9+mtlhYEjzIrclADoE3+S1V2wBBoUWYd0+eB 85P43jnPO/7+eJIXeNhkn/8qij1LoQ== =ICSH -----END PGP SIGNATURE----- Merge tag 'mtd/fixes-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux Pull mtd revert from Miquel Raynal: "Very late this cycle we identified a breakage that could potentially hit several spi controller drivers because of a change in the way the dummy cycles validity is checked. We do not know at the moment how to handle the situation properly, so we prefer to revert the faulty patch for the next release" * tag 'mtd/fixes-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: Revert "mtd: spi-nor: core: replace dummy buswidth from addr to data" |
||
Steven Rostedt
|
60295b944f |
tracing: gfp: Fix the GFP enum values shown for user space tracing tools
Tracing tools like perf and trace-cmd read the /sys/kernel/tracing/events/*/*/format
files to know how to parse the data and also how to print it. For the
"print fmt" portion of that file, if anything uses an enum that is not
exported to the tracing system, user space will not be able to parse it.
The GFP flags use to be defines, and defines get translated in the print
fmt sections. But now they are converted to use enums, which is not.
The mm_page_alloc trace event format use to have:
print fmt: "page=%p pfn=0x%lx order=%d migratetype=%d gfp_flags=%s",
REC->pfn != -1UL ? (((struct page *)vmemmap_base) + (REC->pfn)) : ((void
*)0), REC->pfn != -1UL ? REC->pfn : 0, REC->order, REC->migratetype,
(REC->gfp_flags) ? __print_flags(REC->gfp_flags, "|", {( unsigned
long)(((((((( gfp_t)(0x400u|0x800u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) |
(( gfp_t)0x100000u)) | (( gfp_t)0x02u)) | (( gfp_t)0x08u) | (( gfp_t)0)) |
(( gfp_t)0x40000u) | (( gfp_t)0x80000u) | (( gfp_t)0x2000u)) & ~((
gfp_t)(0x400u|0x800u))) | (( gfp_t)0x400u)), "GFP_TRANSHUGE"}, {( unsigned
long)((((((( gfp_t)(0x400u|0x800u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) |
(( gfp_t)0x100000u)) | (( gfp_t)0x02u)) | (( gfp_t)0x08u) | (( gfp_t)0)) ...
Where the GFP values are shown and not their names. But after the GFP
flags were converted to use enums, it has:
print fmt: "page=%p pfn=0x%lx order=%d migratetype=%d gfp_flags=%s",
REC->pfn != -1UL ? (vmemmap + (REC->pfn)) : ((void *)0), REC->pfn != -1UL
? REC->pfn : 0, REC->order, REC->migratetype, (REC->gfp_flags) ?
__print_flags(REC->gfp_flags, "|", {( unsigned long)((((((((
gfp_t)(((((1UL))) << (___GFP_DIRECT_RECLAIM_BIT))|((((1UL))) <<
(___GFP_KSWAPD_RECLAIM_BIT)))) | (( gfp_t)((((1UL))) << (___GFP_IO_BIT)))
| (( gfp_t)((((1UL))) << (___GFP_FS_BIT))) | (( gfp_t)((((1UL))) <<
(___GFP_HARDWALL_BIT)))) | (( gfp_t)((((1UL))) << (___GFP_HIGHMEM_BIT))))
| (( gfp_t)((((1UL))) << (___GFP_MOVABLE_BIT))) | (( gfp_t)0)) | ((
gfp_t)((((1UL))) << (___GFP_COMP_BIT))) ...
Where the enums names like ___GFP_KSWAPD_RECLAIM_BIT are shown and not their
values. User space has no way to convert these names to their values and
the output will fail to parse. What is shown is now:
mm_page_alloc: page=0xffffffff981685f3 pfn=0x1d1ac1 order=0 migratetype=1 gfp_flags=0x140cca
The TRACE_DEFINE_ENUM() macro was created to handle enums in the print fmt
files. This causes them to be replaced at boot up with the numbers, so
that user space tooling can parse it. By using this macro, the output is
back to the human readable:
mm_page_alloc: page=0xffffffff981685f3 pfn=0x122233 order=0 migratetype=1 gfp_flags=GFP_HIGHUSER_MOVABLE|__GFP_COMP
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Veronika Molnarova <vmolnaro@redhat.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/20250116214438.749504792@goodmis.org
Reported-by: Michael Petlan <mpetlan@redhat.com>
Closes: https://lore.kernel.org/all/87be5f7c-1a0-dad-daa0-54e342efaea7@redhat.com/
Fixes:
|
||
|
Linus Torvalds
|
07757eeb96 |
hwmon fixes for v6.13-rc8/v6.13
- ltc2991, tmp513: Fix problems seen when dividing negative numbers - drivetemp: Handle large timeouts observed on some drives - acpi_power_meter: Fix loading the driver on platforms without _PMD method -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiHPvMQj9QTOCiqgVyx8mb86fmYEFAmeKiEAACgkQyx8mb86f mYFcRBAApLO5JZrC4U7DiBLUKZ4EKXtp/C/+iabcp8rJisF7BqdEjn8BHz+gEIKk eO7AoMv49s7zxZd2yNpa84XWIFB703rZpz/mDFHAsimOQRDE23xM2qrxImhyaRVt OsY7glQQJJpm7IWzVywUGaxkVqilvge0OH/S6Cw3p+yw/aMQ8UAHR6T+ed+5t9s0 eGrgbQQOvlvEOhaNvWFe+Nhj66uzayfEOSeiPZL17r4MLFjdtUVzli4myfCm6CKC C6uTy7YvF6l8Sf3+h+9SFVWaudyH5oFfGmkBFXcwTOR7yoY1y5emVEtz7zbI6ZlA MaVB5VqaqlXWWZoVfIKMjR9iHNQvWtvwY35UwAyOi1nCXDMaqmBNfbSO/sJ5R+qw 5U2Eg+XLxOc5I4CsjU0PuLsraj0zQ79LgYEnaVIBgM9gBYNCwwrUIeOssLEkwZZG gfUny6cGWKwPX3JafaAgy2NKwzDPrkud5MlmxGoUpK2NqsYP3CIh/cZw4a9gfKWE xLqbaJx8L13PrIy2AV6AoT4db8dryHrtj5H0ItyqzTJ70kWf1dZRw5l0NTTVZa1n N5C4lLvYfJd/4s+HtqMUYIZFux+IkIql4K94cn0UhXWK8N6OnBH7hv9TJZVC4MJb g8I7gFcXmy3Q0LQ/lok9pF/5Mr5gt80mvrzdmKDbct6LlyY2NPo= =jMB2 -----END PGP SIGNATURE----- Merge tag 'hwmon-for-v6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: - ltc2991, tmp513: Fix problems seen when dividing negative numbers - drivetemp: Handle large timeouts observed on some drives - acpi_power_meter: Fix loading the driver on platforms without _PMD method * tag 'hwmon-for-v6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (ltc2991) Fix mixed signed/unsigned in DIV_ROUND_CLOSEST hwmon: (drivetemp) Set scsi command timeout to 10s hwmon: (acpi_power_meter) Fix a check for the return value of read_domain_devices(). hwmon: (tmp513) Fix division of negative numbers |
||
John Garry
|
554b22864c |
block: Don't trim an atomic write
This is disallowed. This check will now be relevant since the device mapper personalities will start to support atomic writes, and they use this function. Signed-off-by: John Garry <john.g.garry@oracle.com> Reviewed-by: Mike Snitzer <snitzer@kernel.org> Link: https://lore.kernel.org/r/20250116170301.474130-3-john.g.garry@oracle.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
John Garry
|
6a7e17b220 |
block: Add common atomic writes enable flag
Currently only stacked devices need to explicitly enable atomic writes by setting BLK_FEAT_ATOMIC_WRITES_STACKED flag. This does not work well for device mapper stacking devices, as there many sets of limits are stacked and what is the 'bottom' and 'top' device can swapped. This means that BLK_FEAT_ATOMIC_WRITES_STACKED needs to be set for many queue limits, which is messy. Generalize enabling atomic writes enabling by ensuring that all devices must explicitly set a flag - that includes NVMe, SCSI sd, and md raid. Signed-off-by: John Garry <john.g.garry@oracle.com> Reviewed-by: Mike Snitzer <snitzer@kernel.org> Link: https://lore.kernel.org/r/20250116170301.474130-2-john.g.garry@oracle.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Linus Torvalds
|
7fed891d6e |
gpio fixes for v6.13
- convert regular spinlock to raw spinlock in gpio-xilinx to avoid a lockdep splat -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAmeKTCoACgkQEacuoBRx 13KDfw/+JDW949lcZsIf9ZqZmIG9l2wdC20HWd6Jb4PPEVjWvYXTYwBhTz7J5YLC jF35x7mOM7mDxHPAHg2O4lqFoE+0pwkFJrtd3uYuNI9F/lWYvja6r0RYXlAKhmd4 GZEcQzYvOWCLJ5IEw0M86xbBkD4CmFrKH3CKbQrV0xX8cZW+jWcdmi/mXCinrobp sh4tk2gbhjv3lgYegiKLrFkbeJAYDwFIRbf+M0yo8g0EhE+miM1YBlBH2RZ0c43s p8L5bsN3xtPhaFOX/LayItmk4sx1jr0vC56RTeYhUuVYBZsK/M8QOytzK4ypsbNM QzaeKD1kyrOiXg4dTuwhqGO6g2nONHoLyHbPbIDbOjSP+vUw6JNPZkuldpbiJM+N C8NQKFv6JmfKXK9zWOhMNWxk0ae52VHU2s6e29L3N2KKBG9vOUS6r8ImQ27SXplC yCB21qLIVlp3bSv4mpMoPn+oJaiOAoyykCqSbbGjIo9zoKliI09ctD0tA/X2tPBK kq5tBuYWzNQ0QPLRXpEaG3reZQai8+H7T972yn0G7KPj/ipWKDzWx1A4LZejblgz 1MFXTqFK0rB+luTU7sOlZVQuBCl0KfP7To0mEsh4BwjsCBr5qzbUJXQ+I/d2Uh6h RmEKExjy2nqvdtU89k+HW0UFkCMwlHpArKfCXY2SFzEPEXbAF1c= =WhW4 -----END PGP SIGNATURE----- Merge tag 'gpio-fixes-for-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fix from Bartosz Golaszewski: - convert regular spinlock to raw spinlock in gpio-xilinx to avoid a lockdep splat * tag 'gpio-fixes-for-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: xilinx: Convert gpio_lock to raw spinlock |
||
|
Linus Torvalds
|
5e74b9bf26 |
i2c-for-6.13-rc8
This pull request fixes: - a ref leak in the I2C core - the remove notification in the address translator - a missing error check in the pinctrl demuxer (plus a typo fix) - handling NAK when Linux is testunit target - handling NAK for the Renesas R-Car controller when it is a target -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmeJ/6QACgkQFA3kzBSg KbY4pA/+LCdKS27uHKgCmnHM7xBsQBZhKI8cfQmBH9ssfV5xJi5DMcqCGZRxss5b Q14MP/3Mi3J5gVvDuadtN6yXQxiIAMBHvdAW11QYF/gKL34SR0QOzluEmf+b5Q6l leesgsJMXuJIXSrH/ZMXAyyDqOcNSQtaTIrY7HV9gCL3yW/xNdDPxBq6+K5bcCst p2FaWMO2RSSkaoDKnhEIWPM7cwGTt3RyeUz1CjDeGxzqHFXj8PKBg803ubbNZ0qz A+uv+UdJ7cH1pmGFY+rH7UEopPOAe52pQ+1k8YyirAFsqmwne0bLrK/ZBwEoA6Dd 7h9OTPhnKKAnb5o983JM5AZ7ApQgBlQPChjT64Yv3xUI38WDJDcvZ119REwUQJ4O FgdGyHxwd++mUJFo3IKJx3D0fQ3XkDD1vX0ZvqFT5fWL9LBdZfS0HeX+pbQxzn9C LVpuFGOJhd48el/iulQNyhRTysrHi03nKpXKswJ/QdViSMap9XV8i/OAhO8q/Liv JBDAHTMQjDZeReWYHX1tyoQabhAUlFP4cBrpsOJqkc5xGEcevBpAoglC/Qw8UBZ+ BTwUXWHM83bnoPh2QQsFPeW0QOEBVpWe//RA9c5P/OzS/E1L22T2mK0EY1oHta1t qFw4Ku3GZ/sMcfTtODlvquUiRX9LKFdjz4U7Wl8TX3r1BKgxsIA= =8f0F -----END PGP SIGNATURE----- Merge tag 'i2c-for-6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: - fix ref leak in the I2C core - fix remove notification in the address translator - missing error check in the pinctrl demuxer (plus a typo fix) - fix NAK handling when Linux is testunit target - fix NAK handling for the Renesas R-Car controller when it is a target * tag 'i2c-for-6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: testunit: on errors, repeat NACK until STOP i2c: rcar: fix NACK handling when being a target i2c: mux: demux-pinctrl: correct comment i2c: mux: demux-pinctrl: check initial mux selection, too i2c: atr: Fix client detach i2c: core: fix reference leak in i2c_register_adapter() |
||
|
Linus Torvalds
|
4b040f0abe |
pmdomain providers:
- imx8mp-blk-ctrl: Add missing loop break condition -----BEGIN PGP SIGNATURE----- iQJLBAABCgA1FiEEugLDXPmKSktSkQsV/iaEJXNYjCkFAmeKQ18XHHVsZi5oYW5z c29uQGxpbmFyby5vcmcACgkQ/iaEJXNYjCmzzBAAv4a7k285C5UwiYKIRjQE8eRL UIP0xNv7rFKCbHH880OEheACBAxUbQXaYGRtGkg0mwBv873+qfYlqDlFjUo1x7AM Nc2sArQpebD0rPWhSC6pSi6/a98Tl9+Aqc5ISxQQA4+Hs3Cwo1J+tj3zY+mXxU36 XTRGr0pktzIvSbGbkjX5txFyXcXMud221BpXSteMsjf9nespgnGphBW2yAhVLuux bYP5u0JprdywsNheTwoyDUTv+VflRTpjnQ9Q00C7P5ZW+obVO36hrFnEnjCaW2kH nEswEcDANEqRZnOP8BHR1rJX20EZmTR1yJ7wCxp/+uOBcBWim3lBJ/HEI8Wjt9el d4956Ips1PxN1+6gqsfrl9QtdaBJaBXkj7oQsI/jOHjqmf4W0UruAvCK8ehAcrhU dTMX1uoFPl07jyGNoc4WIxZ8OF+Yv86AQy1xMp3Z+yPQkRM7xl54gA9cxQ4sJ+5D OkFtURnHv2Xi1s290Y8Y/6VsYiqdEkH4nKQN6HAryMNKdG8y4p/w8eV6T2sZd9cr wVtbU9J5xXShfcma/RMsUxoRUrGSQ0o/KniHUqzisp4D21NT+nHJ5dCWYaANtBp6 g66ljcywJagSspSY5slx+pnEpNeGukjdq5v4ga80NPGN6x0to+w9RjRhn9rR9hwh ghBvyXZYgbcCKNDyn28= =5ALK -----END PGP SIGNATURE----- Merge tag 'pmdomain-v6.13-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm Pull pmdomain fix from Ulf Hansson: - imx8mp-blk-ctrl: Add missing loop break condition * tag 'pmdomain-v6.13-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: pmdomain: imx8mp-blk-ctrl: add missing loop break condition |
||
Will Deacon
|
1dd3393696 |
Merge branch 'for-next/perf' into for-next/core
* for-next/perf: (29 commits) perf docs: arm_spe: Document new discard mode perf: arm_spe: Add format option for discard mode MAINTAINERS: Add perf list for drivers/perf/ drivers/perf: apple_m1: Map generic branch events drivers/perf: hisi: Set correct IRQ affinity for PMUs with no association perf: imx9_perf: Introduce AXI filter version to refactor the driver and better extension perf/arm-cmn: Permit more exhaustive groups perf/dwc_pcie: Qualify RAS DES VSEC Capability by Vendor, Revision drivers/perf: hisi: Delete redundant blank line of DDRC PMU drivers/perf: hisi: Fix incorrect variable name "hha_pmu" in DDRC PMU driver drivers/perf: hisi: Export associated CPUs of each PMU through sysfs drivers/perf: hisi: Provide a generic implementation of cpumask/identifier drivers/perf: hisi: Add a common function to retrieve topology from firmware drivers/perf: hisi: Extract topology information to a separate structure drivers/perf: hisi: Refactor the detection of associated CPUs drivers/perf: hisi: Migrate to one online CPU if no associated one online drivers/perf: hisi: Don't update the associated_cpus on CPU offline drivers/perf: hisi: Define a symbol namespace for HiSilicon Uncore PMUs perf/marvell: Odyssey LLC-TAD performance monitor support perf/marvell: Refactor to extract platform data ... |
||
|
Will Deacon
|
602ffd4ce3 |
Merge branch 'for-next/mm' into for-next/core
* for-next/mm: arm64: mm: Test for pmd_sect() in vmemmap_check_pmd() arm64/mm: Replace open encodings with PXD_TABLE_BIT arm64/mm: Rename pte_mkpresent() as pte_mkvalid() arm64: Kconfig: force ARM64_PAN=y when enabling TTBR0 sw PAN arm64/kvm: Avoid invalid physical addresses to signal owner updates arm64/kvm: Configure HYP TCR.PS/DS based on host stage1 arm64/mm: Override PARange for !LPA2 and use it consistently arm64/mm: Reduce PA space to 48 bits when LPA2 is not enabled |
||
|
Will Deacon
|
6e1173306e |
Merge branch 'for-next/misc' into for-next/core
* for-next/misc: arm64: Remove duplicate included header arm64/Kconfig: Drop EXECMEM dependency from ARCH_WANTS_EXECMEM_LATE arm64: asm: Fix typo in pgtable.h arm64/mm: Ensure adequate HUGE_MAX_HSTATE arm64/mm: Replace open encodings with PXD_TABLE_BIT arm64/mm: Drop INIT_MM_CONTEXT() |
||
|
Will Deacon
|
e190227be4 |
Merge branch 'for-next/docs' into for-next/core
* for-next/docs: Documentation: arm64: Remove stale and redundant virtual memory diagrams docs: arm64: Document EL3 requirements for FEAT_PMUv3 docs: arm64: Document EL3 requirements for cpu debug architecture |
||
|
Will Deacon
|
763d584c5b |
Merge branch 'for-next/cpufeature' into for-next/core
* for-next/cpufeature: kselftest/arm64: Add 2024 dpISA extensions to hwcap test KVM: arm64: Allow control of dpISA extensions in ID_AA64ISAR3_EL1 arm64/hwcap: Describe 2024 dpISA extensions to userspace arm64/sysreg: Update ID_AA64SMFR0_EL1 to DDI0601 2024-12 arm64: Filter out SVE hwcaps when FEAT_SVE isn't implemented arm64/sme: Move storage of reg_smidr to __cpuinfo_store_cpu() arm64/sysreg: Update ID_AA64ISAR2_EL1 to DDI0601 2024-09 arm64/sysreg: Update ID_AA64ZFR0_EL1 to DDI0601 2024-09 arm64/sysreg: Update ID_AA64FPFR0_EL1 to DDI0601 2024-09 arm64/sysreg: Update ID_AA64ISAR3_EL1 to DDI0601 2024-09 arm64/sysreg: Update ID_AA64PFR2_EL1 to DDI0601 2024-09 arm64/sysreg: Get rid of CPACR_ELx SysregFields arm64/sysreg: Convert *_EL12 accessors to Mapping arm64/sysreg: Get rid of the TCR2_EL1x SysregFields arm64/sysreg: Allow a 'Mapping' descriptor for system registers arm64/cpufeature: Refactor conditional logic in init_cpu_ftr_reg() arm64: cpufeature: Add HAFT to cpucap_is_possible() |