mirror of https://github.com/torvalds/linux.git
3623 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Linus Torvalds
|
ad952db4a8 |
powerpc updates for 6.19
- Restore clearing of MSR[RI] at interrupt/syscall exit on 32-bit. - Fix unpaired stwcx on interrupt exit on 32-bit. - Fix race condition leading to double list-add in mac_hid_toggle_emumouse(). - Fix mprotect on book3s 32-bit. - Fix SLB multihit issue during SLB preload with 64-bit hash MMU. - Add support for crashkernel CMA reservation. - Add die_id and die_cpumask for Power10 & later to expose chip hemispheres. - A series of minor fixes and improvements to the hash SLB code. Thanks to: Antonio Alvarez Feijoo, Ben Collins, Bhaskar Chowdhury, Christophe Leroy, Daniel Thompson, Dave Vasilevsky, Donet Tom, J. Neuschäfer, Kunwu Chan, Long Li, Naresh Kamboju, Nathan Chancellor, Ritesh Harjani (IBM), Shirisha G, Shrikanth Hegde, Sourabh Jain, Srikar Dronamraju, Stephen Rothwell, Thomas Zimmermann, Venkat Rao Bagalkote, Vishal Chourasia. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRjvi15rv0TSTaE+SIF0oADX8seIQUCaTFrpQAKCRAF0oADX8se IaVSAPwJazU+gxYwIe9mB7Mt9w1N04voW7LmX4tcj83i/Xd5QgEAsXfdpYeo3Tvb VPIOXVGVxOxAccyQ7Yw5QF4BPv+8FAc= =h6Ed -----END PGP SIGNATURE----- Merge tag 'powerpc-6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: - Restore clearing of MSR[RI] at interrupt/syscall exit on 32-bit - Fix unpaired stwcx on interrupt exit on 32-bit - Fix race condition leading to double list-add in mac_hid_toggle_emumouse() - Fix mprotect on book3s 32-bit - Fix SLB multihit issue during SLB preload with 64-bit hash MMU - Add support for crashkernel CMA reservation - Add die_id and die_cpumask for Power10 & later to expose chip hemispheres - A series of minor fixes and improvements to the hash SLB code Thanks to Antonio Alvarez Feijoo, Ben Collins, Bhaskar Chowdhury, Christophe Leroy, Daniel Thompson, Dave Vasilevsky, Donet Tom, J. Neuschäfer, Kunwu Chan, Long Li, Naresh Kamboju, Nathan Chancellor, Ritesh Harjani (IBM), Shirisha G, Shrikanth Hegde, Sourabh Jain, Srikar Dronamraju, Stephen Rothwell, Thomas Zimmermann, Venkat Rao Bagalkote, and Vishal Chourasia. * tag 'powerpc-6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (32 commits) macintosh/via-pmu-backlight: Include <linux/fb.h> and <linux/of.h> powerpc/powermac: backlight: Include <linux/of.h> powerpc/64s/slb: Add no_slb_preload early cmdline param powerpc/64s/slb: Make preload_add return type as void powerpc/ptdump: Dump PXX level info for kernel_page_tables powerpc/64s/pgtable: Enable directMap counters in meminfo for Hash powerpc/64s/hash: Update directMap page counters for Hash powerpc/64s/hash: Hash hpt_order should be only available with Hash MMU powerpc/64s/hash: Improve hash mmu printk messages powerpc/64s/hash: Fix phys_addr_t printf format in htab_initialize() powerpc/64s/ptdump: Fix kernel_hash_pagetable dump for ISA v3.00 HPTE format powerpc/64s/hash: Restrict stress_hpt_struct memblock region to within RMA limit powerpc/64s/slb: Fix SLB multihit issue during SLB preload powerpc, mm: Fix mprotect on book3s 32-bit powerpc/smp: Expose die_id and die_cpumask powerpc/83xx: Add a null pointer check to mcu_gpiochip_add arch:powerpc:tools This file was missing shebang line, so added it kexec: Include kernel-end even without crashkernel powerpc: p2020: Rename wdt@ nodes to watchdog@ powerpc: 86xx: Rename wdt@ nodes to watchdog@ ... |
|
|
Linus Torvalds
|
7203ca412f |
Significant patch series in this merge are as follows:
- The 10 patch series "__vmalloc()/kvmalloc() and no-block support" from
Uladzislau Rezki reworks the vmalloc() code to support non-blocking
allocations (GFP_ATOIC, GFP_NOWAIT).
- The 2 patch series "ksm: fix exec/fork inheritance" from xu xin fixes
a rare case where the KSM MMF_VM_MERGE_ANY prctl state is not inherited
across fork/exec.
- The 4 patch series "mm/zswap: misc cleanup of code and documentations"
from SeongJae Park does some light maintenance work on the zswap code.
- The 5 patch series "mm/page_owner: add debugfs files 'show_handles'
and 'show_stacks_handles'" from Mauricio Faria de Oliveira enhances the
/sys/kernel/debug/page_owner debug feature. It adds unique identifiers
to differentiate the various stack traces so that userspace monitoring
tools can better match stack traces over time.
- The 2 patch series "mm/page_alloc: pcp->batch cleanups" from Joshua
Hahn makes some minor alterations to the page allocator's per-cpu-pages
feature.
- The 2 patch series "Improve UFFDIO_MOVE scalability by removing
anon_vma lock" from Lokesh Gidra addresses a scalability issue in
userfaultfd's UFFDIO_MOVE operation.
- The 2 patch series "kasan: cleanups for kasan_enabled() checks" from
Sabyrzhan Tasbolatov performs some cleanup in the KASAN code.
- The 2 patch series "drivers/base/node: fold node register and
unregister functions" from Donet Tom cleans up the NUMA node handling
code a little.
- The 4 patch series "mm: some optimizations for prot numa" from Kefeng
Wang provides some cleanups and small optimizations to the NUMA
allocation hinting code.
- The 5 patch series "mm/page_alloc: Batch callers of
free_pcppages_bulk" from Joshua Hahn addresses long lock hold times at
boot on large machines. These were causing (harmless) softlockup
warnings.
- The 2 patch series "optimize the logic for handling dirty file folios
during reclaim" from Baolin Wang removes some now-unnecessary work from
page reclaim.
- The 10 patch series "mm/damon: allow DAMOS auto-tuned for per-memcg
per-node memory usage" from SeongJae Park enhances the DAMOS auto-tuning
feature.
- The 2 patch series "mm/damon: fixes for address alignment issues in
DAMON_LRU_SORT and DAMON_RECLAIM" from Quanmin Yan fixes DAMON_LRU_SORT
and DAMON_RECLAIM with certain userspace configuration.
- The 15 patch series "expand mmap_prepare functionality, port more
users" from Lorenzo Stoakes enhances the new(ish)
file_operations.mmap_prepare() method and ports additional callsites
from the old ->mmap() over to ->mmap_prepare().
- The 8 patch series "Fix stale IOTLB entries for kernel address space"
from Lu Baolu fixes a bug (and possible security issue on non-x86) in
the IOMMU code. In some situations the IOMMU could be left hanging onto
a stale kernel pagetable entry.
- The 4 patch series "mm/huge_memory: cleanup __split_unmapped_folio()"
from Wei Yang cleans up and optimizes the folio splitting code.
- The 5 patch series "mm, swap: misc cleanup and bugfix" from Kairui
Song implements some cleanups and a minor fix in the swap discard code.
- The 8 patch series "mm/damon: misc documentation fixups" from SeongJae
Park does as advertised.
- The 9 patch series "mm/damon: support pin-point targets removal" from
SeongJae Park permits userspace to remove a specific monitoring target
in the middle of the current targets list.
- The 2 patch series "mm: MISC follow-up patches for linux/pgalloc.h"
from Harry Yoo implements a couple of cleanups related to mm header file
inclusion.
- The 2 patch series "mm/swapfile.c: select swap devices of default
priority round robin" from Baoquan He improves the selection of swap
devices for NUMA machines.
- The 3 patch series "mm: Convert memory block states (MEM_*) macros to
enums" from Israel Batista changes the memory block labels from macros
to enums so they will appear in kernel debug info.
- The 3 patch series "ksm: perform a range-walk to jump over holes in
break_ksm" from Pedro Demarchi Gomes addresses an inefficiency when KSM
unmerges an address range.
- The 22 patch series "mm/damon/tests: fix memory bugs in kunit tests"
from SeongJae Park fixes leaks and unhandled malloc() failures in DAMON
userspace unit tests.
- The 2 patch series "some cleanups for pageout()" from Baolin Wang
cleans up a couple of minor things in the page scanner's
writeback-for-eviction code.
- The 2 patch series "mm/hugetlb: refactor sysfs/sysctl interfaces" from
Hui Zhu moves hugetlb's sysfs/sysctl handling code into a new file.
- The 9 patch series "introduce VM_MAYBE_GUARD and make it sticky" from
Lorenzo Stoakes makes the VMA guard regions available in /proc/pid/smaps
and improves the mergeability of guarded VMAs.
- The 2 patch series "mm: perform guard region install/remove under VMA
lock" from Lorenzo Stoakes reduces mmap lock contention for callers
performing VMA guard region operations.
- The 2 patch series "vma_start_write_killable" from Matthew Wilcox
starts work in permitting applications to be killed when they are
waiting on a read_lock on the VMA lock.
- The 11 patch series "mm/damon/tests: add more tests for online
parameters commit" from SeongJae Park adds additional userspace testing
of DAMON's "commit" feature.
- The 9 patch series "mm/damon: misc cleanups" from SeongJae Park does
that.
- The 2 patch series "make VM_SOFTDIRTY a sticky VMA flag" from Lorenzo
Stoakes addresses the possible loss of a VMA's VM_SOFTDIRTY flag when
that VMA is merged with another.
- The 16 patch series "mm: support device-private THP" from Balbir Singh
introduces support for Transparent Huge Page (THP) migration in zone
device-private memory.
- The 3 patch series "Optimize folio split in memory failure" from Zi
Yan optimizes folio split operations in the memory failure code.
- The 2 patch series "mm/huge_memory: Define split_type and consolidate
split support checks" from Wei Yang provides some more cleanups in the
folio splitting code.
- The 16 patch series "mm: remove is_swap_[pte, pmd]() + non-swap
entries, introduce leaf entries" from Lorenzo Stoakes cleans up our
handling of pagetable leaf entries by introducing the concept of
'software leaf entries', of type softleaf_t.
- The 4 patch series "reparent the THP split queue" from Muchun Song
reparents the THP split queue to its parent memcg. This is in
preparation for addressing the long-standing "dying memcg" problem,
wherein dead memcg's linger for too long, consuming memory resources.
- The 3 patch series "unify PMD scan results and remove redundant
cleanup" from Wei Yang does a little cleanup in the hugepage collapse
code.
- The 6 patch series "zram: introduce writeback bio batching" from
Sergey Senozhatsky improves zram writeback efficiency by introducing
batched bio writeback support.
- The 4 patch series "memcg: cleanup the memcg stats interfaces" from
Shakeel Butt cleans up our handling of the interrupt safety of some
memcg stats.
- The 4 patch series "make vmalloc gfp flags usage more apparent" from
Vishal Moola cleans up vmalloc's handling of incoming GFP flags.
- The 6 patch series "mm: Add soft-dirty and uffd-wp support for RISC-V"
from Chunyan Zhang teches soft dirty and userfaultfd write protect
tracking to use RISC-V's Svrsw60t59b extension.
- The 5 patch series "mm: swap: small fixes and comment cleanups" from
Youngjun Park fixes a small bug and cleans up some of the swap code.
- The 4 patch series "initial work on making VMA flags a bitmap" from
Lorenzo Stoakes starts work on converting the vma struct's flags to a
bitmap, so we stop running out of them, especially on 32-bit.
- The 2 patch series "mm/swapfile: fix and cleanup swap list iterations"
from Youngjun Park addresses a possible bug in the swap discard code and
cleans things up a little.
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Merge tag 'mm-stable-2025-12-03-21-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"__vmalloc()/kvmalloc() and no-block support" (Uladzislau Rezki)
Rework the vmalloc() code to support non-blocking allocations
(GFP_ATOIC, GFP_NOWAIT)
"ksm: fix exec/fork inheritance" (xu xin)
Fix a rare case where the KSM MMF_VM_MERGE_ANY prctl state is not
inherited across fork/exec
"mm/zswap: misc cleanup of code and documentations" (SeongJae Park)
Some light maintenance work on the zswap code
"mm/page_owner: add debugfs files 'show_handles' and 'show_stacks_handles'" (Mauricio Faria de Oliveira)
Enhance the /sys/kernel/debug/page_owner debug feature by adding
unique identifiers to differentiate the various stack traces so
that userspace monitoring tools can better match stack traces over
time
"mm/page_alloc: pcp->batch cleanups" (Joshua Hahn)
Minor alterations to the page allocator's per-cpu-pages feature
"Improve UFFDIO_MOVE scalability by removing anon_vma lock" (Lokesh Gidra)
Address a scalability issue in userfaultfd's UFFDIO_MOVE operation
"kasan: cleanups for kasan_enabled() checks" (Sabyrzhan Tasbolatov)
"drivers/base/node: fold node register and unregister functions" (Donet Tom)
Clean up the NUMA node handling code a little
"mm: some optimizations for prot numa" (Kefeng Wang)
Cleanups and small optimizations to the NUMA allocation hinting
code
"mm/page_alloc: Batch callers of free_pcppages_bulk" (Joshua Hahn)
Address long lock hold times at boot on large machines. These were
causing (harmless) softlockup warnings
"optimize the logic for handling dirty file folios during reclaim" (Baolin Wang)
Remove some now-unnecessary work from page reclaim
"mm/damon: allow DAMOS auto-tuned for per-memcg per-node memory usage" (SeongJae Park)
Enhance the DAMOS auto-tuning feature
"mm/damon: fixes for address alignment issues in DAMON_LRU_SORT and DAMON_RECLAIM" (Quanmin Yan)
Fix DAMON_LRU_SORT and DAMON_RECLAIM with certain userspace
configuration
"expand mmap_prepare functionality, port more users" (Lorenzo Stoakes)
Enhance the new(ish) file_operations.mmap_prepare() method and port
additional callsites from the old ->mmap() over to ->mmap_prepare()
"Fix stale IOTLB entries for kernel address space" (Lu Baolu)
Fix a bug (and possible security issue on non-x86) in the IOMMU
code. In some situations the IOMMU could be left hanging onto a
stale kernel pagetable entry
"mm/huge_memory: cleanup __split_unmapped_folio()" (Wei Yang)
Clean up and optimize the folio splitting code
"mm, swap: misc cleanup and bugfix" (Kairui Song)
Some cleanups and a minor fix in the swap discard code
"mm/damon: misc documentation fixups" (SeongJae Park)
"mm/damon: support pin-point targets removal" (SeongJae Park)
Permit userspace to remove a specific monitoring target in the
middle of the current targets list
"mm: MISC follow-up patches for linux/pgalloc.h" (Harry Yoo)
A couple of cleanups related to mm header file inclusion
"mm/swapfile.c: select swap devices of default priority round robin" (Baoquan He)
improve the selection of swap devices for NUMA machines
"mm: Convert memory block states (MEM_*) macros to enums" (Israel Batista)
Change the memory block labels from macros to enums so they will
appear in kernel debug info
"ksm: perform a range-walk to jump over holes in break_ksm" (Pedro Demarchi Gomes)
Address an inefficiency when KSM unmerges an address range
"mm/damon/tests: fix memory bugs in kunit tests" (SeongJae Park)
Fix leaks and unhandled malloc() failures in DAMON userspace unit
tests
"some cleanups for pageout()" (Baolin Wang)
Clean up a couple of minor things in the page scanner's
writeback-for-eviction code
"mm/hugetlb: refactor sysfs/sysctl interfaces" (Hui Zhu)
Move hugetlb's sysfs/sysctl handling code into a new file
"introduce VM_MAYBE_GUARD and make it sticky" (Lorenzo Stoakes)
Make the VMA guard regions available in /proc/pid/smaps and
improves the mergeability of guarded VMAs
"mm: perform guard region install/remove under VMA lock" (Lorenzo Stoakes)
Reduce mmap lock contention for callers performing VMA guard region
operations
"vma_start_write_killable" (Matthew Wilcox)
Start work on permitting applications to be killed when they are
waiting on a read_lock on the VMA lock
"mm/damon/tests: add more tests for online parameters commit" (SeongJae Park)
Add additional userspace testing of DAMON's "commit" feature
"mm/damon: misc cleanups" (SeongJae Park)
"make VM_SOFTDIRTY a sticky VMA flag" (Lorenzo Stoakes)
Address the possible loss of a VMA's VM_SOFTDIRTY flag when that
VMA is merged with another
"mm: support device-private THP" (Balbir Singh)
Introduce support for Transparent Huge Page (THP) migration in zone
device-private memory
"Optimize folio split in memory failure" (Zi Yan)
"mm/huge_memory: Define split_type and consolidate split support checks" (Wei Yang)
Some more cleanups in the folio splitting code
"mm: remove is_swap_[pte, pmd]() + non-swap entries, introduce leaf entries" (Lorenzo Stoakes)
Clean up our handling of pagetable leaf entries by introducing the
concept of 'software leaf entries', of type softleaf_t
"reparent the THP split queue" (Muchun Song)
Reparent the THP split queue to its parent memcg. This is in
preparation for addressing the long-standing "dying memcg" problem,
wherein dead memcg's linger for too long, consuming memory
resources
"unify PMD scan results and remove redundant cleanup" (Wei Yang)
A little cleanup in the hugepage collapse code
"zram: introduce writeback bio batching" (Sergey Senozhatsky)
Improve zram writeback efficiency by introducing batched bio
writeback support
"memcg: cleanup the memcg stats interfaces" (Shakeel Butt)
Clean up our handling of the interrupt safety of some memcg stats
"make vmalloc gfp flags usage more apparent" (Vishal Moola)
Clean up vmalloc's handling of incoming GFP flags
"mm: Add soft-dirty and uffd-wp support for RISC-V" (Chunyan Zhang)
Teach soft dirty and userfaultfd write protect tracking to use
RISC-V's Svrsw60t59b extension
"mm: swap: small fixes and comment cleanups" (Youngjun Park)
Fix a small bug and clean up some of the swap code
"initial work on making VMA flags a bitmap" (Lorenzo Stoakes)
Start work on converting the vma struct's flags to a bitmap, so we
stop running out of them, especially on 32-bit
"mm/swapfile: fix and cleanup swap list iterations" (Youngjun Park)
Address a possible bug in the swap discard code and clean things
up a little
[ This merge also reverts commit
|
|
|
Linus Torvalds
|
980190a947 |
MFD for v6.19
* Add Core, Regulator, Onkey and Battery Charger support for the NXP PF1550
Power Management IC (PMIC).
* Introduce __SMC_KEY macro to fix GCC 15.2.1 errors in macsmc.
* Add board definitions for TQMxCU1-HPCM and TQMxCU2-HPCM to the tqmx86 driver.
* Add support for Broadcom BCM2712 SoC to the bcm2835-pm driver.
* Hook up the qnap-mcu-eeprom sub-device to qnap-mcu.
* Enable compile testing for the Altera SOCFPGA System Manager driver.
* Fix device reference leak in altr_sysmgr_regmap_lookup_by_phandle().
* Reserve the unused second I2C address for DA9063 to prevent userspace
interference.
* Fix resource leak in da9055_device_init() by calling regmap_del_irq_chip()
in the error path.
* Fix potential IRQ chip conflict when probing multiple MAX77620 devices by
using devm_kmemdup for regmap_irq_chip.
* Return -EPROBE_DEFER when a syscon devuice is not found to allow deferred
probing.
* Update email address for the PF1550 PMIC driver in MAINTAINERS.
* Correct file entry for PF1550 MFD driver in MAINTAINERS from pfd1550.h to
pf1550.h.
* Calculate checksum on the actual number of received bytes in qnap-mcu for
error messages.
* Use -EPROTO instead of -EIO for checksum errors in qnap-mcu.
* Add proper error handling for command errors (e.g., "@8", "@9") in qnap-mcu.
* Fix missing irq_domain_remove() in error path of mt63{58,97}_irq_init().
* Mark SMC write buffer arguments as const in apple_smc_write(), apple_smc_rw(),
and apple_smc_write_atomic().
* Simplify the error handling path in da9055_device_init() by removing a
redundant mfd_remove_devices() call.
* Use regmap_reg_range() and a real one-element array for pmic_status_range in
rohm-bd718x7 for cleaner initialization.
* Remove select I2C_K1 from MFD_SPACEMIT_P1 to avoid build failures when
I2C_K1's dependencies are disabled.
* Remove unneeded semicolon from ls2k_bmc_recover_pci_data().
* Drop OF dependency for MFD_MAX5970 in Kconfig to allow wider compile testing
and non-OF systems.
* Make OF ID table style consistent in simple-mfd-i2c driver.
* Update header inclusions in simple-mfd-i2c to follow IWYU (Include What You
Use) principle.
* Move checksum verification logic to a separate function in qnap-mcu.
* Use chained IRQs for S2MPG10 in the Samsung SEC driver to simplify interrupt
handling.
* Drop a stray semicolon from sec-irq.c.
* Remove the unused TI WL1273 FM radio core driver.
* Remove the unused wl1273-core.h header and tidy up its reference in
documentation.
* Add Device Tree binding for the NXP PF1550 PMIC.
* Add missing GPIO pins and supply properties to the Silergy SY7636A PMIC
binding.
* Add interrupt-controller property to the Maxim MAX77705 binding for
sub-device interrupt source determination.
* Add Device Tree binding for the Renesas R2A11302FT PMIC.
* Allow the wakeup-source property in the Dialog DA9063 binding.
* Make interrupt-related properties optional in the TI TPS65910 PMIC binding.
* Document the Qualcomm PMIV0104 PMIC compatible string.
* Document the Qualcomm PM7550 PMIC compatible string.
* Enable power button subnode for TWL603x in the TI TWL binding.
* Convert the Dialog DA9052/53 I2C binding from .txt to .yaml format,
including compatible string fallback and interrupt properties.
* Document control-scb and sysreg-scb syscons on pic64gx with fallback
compatibles.
* Document sama7g5-sfrbu and sama7d65-sfrbu syscons with fallback to
atmel,sama5d2-sfrbu.
* Fix LEDs node schema in fsl,mc13xxx binding by adding led@ child nodes and
missing properties.
* Add mt7981-topmisc compatible string to the syscon binding.
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Merge tag 'mfd-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Updates:
- Add Core, Regulator, Onkey and Battery Charger support for the NXP
PF1550 Power Management IC (PMIC)
- Introduce __SMC_KEY macro to fix GCC 15.2.1 errors in macsmc
- Add board definitions for TQMxCU1-HPCM and TQMxCU2-HPCM to the
tqmx86 driver
- Add support for Broadcom BCM2712 SoC to the bcm2835-pm driver
- Hook up the qnap-mcu-eeprom sub-device to qnap-mcu
Fixes:
- Enable compile testing for the Altera SOCFPGA System Manager driver
- Fix device reference leak in altr_sysmgr_regmap_lookup_by_phandle()
- Reserve the unused second I2C address for DA9063 to prevent
userspace interference
- Fix resource leak in da9055_device_init() by calling
regmap_del_irq_chip() in the error path
- Fix potential IRQ chip conflict when probing multiple MAX77620
devices by using devm_kmemdup for regmap_irq_chip
- Return -EPROBE_DEFER when a syscon devuice is not found to allow
deferred probing
- Update email address for the PF1550 PMIC driver in MAINTAINERS
- Correct file entry for PF1550 MFD driver in MAINTAINERS from
pfd1550.h to pf1550.h
- Calculate checksum on the actual number of received bytes in
qnap-mcu for error messages
- Use -EPROTO instead of -EIO for checksum errors in qnap-mcu
- Add proper error handling for command errors (e.g., "@8", "@9") in
qnap-mcu
- Fix missing irq_domain_remove() in error path of
mt63{58,97}_irq_init()
Cleanups:
- Mark SMC write buffer arguments as const in apple_smc_write(),
apple_smc_rw(), and apple_smc_write_atomic()
- Simplify the error handling path in da9055_device_init() by
removing a redundant mfd_remove_devices() call
- Use regmap_reg_range() and a real one-element array for
pmic_status_range in rohm-bd718x7 for cleaner initialization
- Remove select I2C_K1 from MFD_SPACEMIT_P1 to avoid build failures
when I2C_K1's dependencies are disabled
- Remove unneeded semicolon from ls2k_bmc_recover_pci_data()
- Drop OF dependency for MFD_MAX5970 in Kconfig to allow wider
compile testing and non-OF systems
- Make OF ID table style consistent in simple-mfd-i2c driver
- Update header inclusions in simple-mfd-i2c to follow IWYU (Include
What You Use) principle
- Move checksum verification logic to a separate function in qnap-mcu
- Use chained IRQs for S2MPG10 in the Samsung SEC driver to simplify
interrupt handling
- Drop a stray semicolon from sec-irq.c
Removals:
- Remove the unused TI WL1273 FM radio core driver
- Remove the unused wl1273-core.h header and tidy up its reference in
documentation
Device tree bindings:
- Add Device Tree binding for the NXP PF1550 PMIC
- Add missing GPIO pins and supply properties to the Silergy SY7636A
PMIC binding
- Add interrupt-controller property to the Maxim MAX77705 binding for
sub-device interrupt source determination
- Add Device Tree binding for the Renesas R2A11302FT PMIC
- Allow the wakeup-source property in the Dialog DA9063 binding
- Make interrupt-related properties optional in the TI TPS65910 PMIC
binding
- Document the Qualcomm PMIV0104 PMIC compatible string
- Document the Qualcomm PM7550 PMIC compatible string
- Enable power button subnode for TWL603x in the TI TWL binding
- Convert the Dialog DA9052/53 I2C binding from .txt to .yaml format,
including compatible string fallback and interrupt properties
- Document control-scb and sysreg-scb syscons on pic64gx with
fallback compatibles
- Document sama7g5-sfrbu and sama7d65-sfrbu syscons with fallback to
atmel,sama5d2-sfrbu
- Fix LEDs node schema in fsl,mc13xxx binding by adding led@ child
nodes and missing properties
- Add mt7981-topmisc compatible string to the syscon binding"
* tag 'mfd-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (42 commits)
mfd: sec: Drop a stray semicolon
mfd: qnap-mcu: Hook up the EEPROM sub-device
dt-bindings: mfd: syscon: Add mt7981-topmisc
dt-bindings: mfd: fsl,mc13xxx: Fix LEDs node schema
mfd: mt6358-irq: Fix missing irq_domain_remove() in error path
mfd: mt6397-irq: Fix missing irq_domain_remove() in error path
dt-bindings: mfd: Document syscons falling back to atmel,sama5d2-sfrbu
dt-bindings: mfd: Document control-scb and sysreg-scb on pic64gx
dt-bindings: mfd: Convert dlg,da9052-i2c.txt to yaml format
mfd: sec: Use chained IRQs for s2mpg10
mfd: qnap-mcu: Add proper error handling for command errors
mfd: qnap-mcu: Move checksum verification to its own function
mfd: qnap-mcu: Use EPROTO in stead of EIO on checksum errors
mfd: qnap-mcu: Calculate the checksum on the actual number of bytes received
mfd: simple-mfd-i2c: Don't use "proxy" headers
mfd: simple-mfd-i2c: Make ID table style consistent
mfd: Kconfig: Drop OF dependency on MFD_MAX5970
mfd: ls2kbmc: Remove unneeded semicolon from ls2k_bmc_recover_pci_data()
dt-bindings: mfd: twl: Enable power button also for TWL603X
MAINTAINERS: Adjust file entry in NXP PF1550 PMIC MFD DRIVER
...
|
|
|
Linus Torvalds
|
d7aa60d966 |
[GIT PULL for v6.19] media updates
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Merge tag 'media/v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- New drivers:
- Mali-C55 ISP
- Rockchip VICAP (RKCIF)
- RKVDEC HEVC Decoder
- Renesas RZV2H IVC
- Sony IMX111 CMOS sensor driver
- Removed STi C8SECTPFE Driver
- Added a V4L2 ISP generic framework
- Usual set of cleanup, fixes and driver improvements
* tag 'media/v6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (249 commits)
media: rockchip: rkcif: add support for rk3568 vicap mipi capture
media: rockchip: rkcif: add support for rk3568 vicap dvp capture
media: rockchip: rkcif: add support for px30 vip dvp capture
media: rockchip: rkcif: add abstraction for dma blocks
media: rockchip: rkcif: add abstraction for interface and crop blocks
media: rockchip: add driver for the rockchip camera interface
media: dt-bindings: add rockchip rk3568 vicap
media: dt-bindings: add rockchip px30 vip
media: dt-bindings: video-interfaces: add defines for sampling modes
Documentation: admin-guide: media: add rockchip camera interface
media: mali-c55: Mark pm handlers as __maybe_unused
media: mali-c55: Assert ISP blocks size correctness
media: v4l2-isp: Rename block_info to block_type_info
MAINTAINERS: Add entry for rzv2h-ivc driver
media: platform: Add Renesas Input Video Control block driver
dt-bindings: media: Add bindings for the RZ/V2H(P) IVC block
Documentation: media: mali-c55: Document the mali-c55 parameter setting
media: platform: Add mali-c55 parameters video node
media: uapi: Add parameters structs to mali-c55-config.h
media: mali-c55: Add image formats for Mali-C55 parameters buffer
...
|
|
|
Linus Torvalds
|
cc25df3e2e |
for-6.19/block-20251201
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Merge tag 'for-6.19/block-20251201' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block updates from Jens Axboe:
- Fix head insertion for mq-deadline, a regression from when priority
support was added
- Series simplifying and improving the ublk user copy code
- Various ublk related cleanups
- Fixup REQ_NOWAIT handling in loop/zloop, clearing NOWAIT when the
request is punted to a thread for handling
- Merge and then later revert loop dio nowait support, as it ended up
causing excessive stack usage for when the inline issue code needs to
dip back into the full file system code
- Improve auto integrity code, making it less deadlock prone
- Speedup polled IO handling, but manually managing the hctx lookups
- Fixes for blk-throttle for SSD devices
- Small series with fixes for the S390 dasd driver
- Add support for caching zones, avoiding unnecessary report zone
queries
- MD pull requests via Yu:
- fix null-ptr-dereference regression for dm-raid0
- fix IO hang for raid5 when array is broken with IO inflight
- remove legacy 1s delay to speed up system shutdown
- change maintainer's email address
- data can be lost if array is created with different lbs devices,
fix this problem and record lbs of the array in metadata
- fix rcu protection for md_thread
- fix mddev kobject lifetime regression
- enable atomic writes for md-linear
- some cleanups
- bcache updates via Coly
- remove useless discard and cache device code
- improve usage of per-cpu workqueues
- Reorganize the IO scheduler switching code, fixing some lockdep
reports as well
- Improve the block layer P2P DMA support
- Add support to the block tracing code for zoned devices
- Segment calculation improves, and memory alignment flexibility
improvements
- Set of prep and cleanups patches for ublk batching support. The
actual batching hasn't been added yet, but helps shrink down the
workload of getting that patchset ready for 6.20
- Fix for how the ps3 block driver handles segments offsets
- Improve how block plugging handles batch tag allocations
- nbd fixes for use-after-free of the configuration on device clear/put
- Set of improvements and fixes for zloop
- Add Damien as maintainer of the block zoned device code handling
- Various other fixes and cleanups
* tag 'for-6.19/block-20251201' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (162 commits)
block/rnbd: correct all kernel-doc complaints
blk-mq: use queue_hctx in blk_mq_map_queue_type
md: remove legacy 1s delay in md_notify_reboot
md/raid5: fix IO hang when array is broken with IO inflight
md: warn about updating super block failure
md/raid0: fix NULL pointer dereference in create_strip_zones() for dm-raid
sbitmap: fix all kernel-doc warnings
ublk: add helper of __ublk_fetch()
ublk: pass const pointer to ublk_queue_is_zoned()
ublk: refactor auto buffer register in ublk_dispatch_req()
ublk: add `union ublk_io_buf` with improved naming
ublk: add parameter `struct io_uring_cmd *` to ublk_prep_auto_buf_reg()
kfifo: add kfifo_alloc_node() helper for NUMA awareness
blk-mq: fix potential uaf for 'queue_hw_ctx'
blk-mq: use array manage hctx map instead of xarray
ublk: prevent invalid access with DEBUG
s390/dasd: Use scnprintf() instead of sprintf()
s390/dasd: Move device name formatting into separate function
s390/dasd: Remove unnecessary debugfs_create() return checks
s390/dasd: Fix gendisk parent after copy pair swap
...
|
|
|
Linus Torvalds
|
8f7aa3d3c7 |
Networking changes for 6.19.
Core & protocols
----------------
- Replace busylock at the Tx queuing layer with a lockless list. Resulting
in a 300% (4x) improvement on heavy TX workloads, sending twice the
number of packets per second, for half the cpu cycles.
- Allow constantly busy flows to migrate to a more suitable CPU/NIC
queue. Normally we perform queue re-selection when flow comes out
of idle, but under extreme circumstances the flows may be constantly
busy. Add sysctl to allow periodic rehashing even if it'd risk packet
reordering.
- Optimize the NAPI skb cache, make it larger, use it in more paths.
- Attempt returning Tx skbs to the originating CPU (like we already did
for Rx skbs).
- Various data structure layout and prefetch optimizations from Eric.
- Remove ktime_get() from the recvmsg() fast path, ktime_get() is sadly
quite expensive on recent AMD machines.
- Extend threaded NAPI polling to allow the kthread busy poll for packets.
- Make MPTCP use Rx backlog processing. This lowers the lock pressure,
improving the Rx performance.
- Support memcg accounting of MPTCP socket memory.
- Allow admin to opt sockets out of global protocol memory accounting
(using a sysctl or BPF-based policy). The global limits are a poor fit
for modern container workloads, where limits are imposed using cgroups.
- Improve heuristics for when to kick off AF_UNIX garbage collection.
- Allow users to control TCP SACK compression, and default to 33% of RTT.
- Add tcp_rcvbuf_low_rtt sysctl to let datacenter users avoid unnecessarily
aggressive rcvbuf growth and overshot when the connection RTT is low.
- Preserve skb metadata space across skb_push / skb_pull operations.
- Support for IPIP encapsulation in the nftables flowtable offload.
- Support appending IP interface information to ICMP messages (RFC 5837).
- Support setting max record size in TLS (RFC 8449).
- Remove taking rtnl_lock from RTM_GETNEIGHTBL and RTM_SETNEIGHTBL.
- Use a dedicated lock (and RCU) in MPLS, instead of rtnl_lock.
- Let users configure the number of write buffers in SMC.
- Add new struct sockaddr_unsized for sockaddr of unknown length,
from Kees.
- Some conversions away from the crypto_ahash API, from Eric Biggers.
- Some preparations for slimming down struct page.
- YAML Netlink protocol spec for WireGuard.
- Add a tool on top of YAML Netlink specs/lib for reporting commonly
computed derived statistics and summarized system state.
Driver API
----------
- Add CAN XL support to the CAN Netlink interface.
- Add uAPI for reporting PHY Mean Square Error (MSE) diagnostics,
as defined by the OPEN Alliance's "Advanced diagnostic features
for 100BASE-T1 automotive Ethernet PHYs" specification.
- Add DPLL phase-adjust-gran pin attribute (and implement it in zl3073x).
- Refactor xfrm_input lock to reduce contention when NIC offloads IPsec
and performs RSS.
- Add info to devlink params whether the current setting is the default
or a user override. Allow resetting back to default.
- Add standard device stats for PSP crypto offload.
- Leverage DSA frame broadcast to implement simple HSR frame duplication
for a lot of switches without dedicated HSR offload.
- Add uAPI defines for 1.6Tbps link modes.
Device drivers
--------------
- Add Motorcomm YT921x gigabit Ethernet switch support.
- Add MUCSE driver for N500/N210 1GbE NIC series.
- Convert drivers to support dedicated ops for timestamping control,
and away from the direct IOCTL handling. While at it support GET
operations for PHY timestamping.
- Add (and convert most drivers to) a dedicated ethtool callback
for reading the Rx ring count.
- Significant refactoring efforts in the STMMAC driver, which supports
Synopsys turn-key MAC IP integrated into a ton of SoCs.
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- support PPS in/out on all pins
- Intel (100G, ice, idpf):
- ice: implement standard ethtool and timestamping stats
- i40e: support setting the max number of MAC addresses per VF
- iavf: support RSS of GTP tunnels for 5G and LTE deployments
- nVidia/Mellanox (mlx5):
- reduce downtime on interface reconfiguration
- disable being an XDP redirect target by default (same as other
drivers) to avoid wasting resources if feature is unused
- Meta (fbnic):
- add support for Linux-managed PCS on 25G, 50G, and 100G links
- Wangxun:
- support Rx descriptor merge, and Tx head writeback
- support Rx coalescing offload
- support 25G SPF and 40G QSFP modules
- Ethernet virtual:
- Google (gve):
- allow ethtool to configure rx_buf_len
- implement XDP HW RX Timestamping support for DQ descriptor format
- Microsoft vNIC (mana):
- support HW link state events
- handle hardware recovery events when probing the device
- Ethernet NICs consumer, and embedded:
- usbnet: add support for Byte Queue Limits (BQL)
- AMD (amd-xgbe):
- add device selftests
- NXP (enetc):
- add i.MX94 support
- Broadcom integrated MACs (bcmgenet, bcmasp):
- bcmasp: add support for PHY-based Wake-on-LAN
- Broadcom switches (b53):
- support port isolation
- support BCM5389/97/98 and BCM63XX ARL formats
- Lantiq/MaxLinear switches:
- support bridge FDB entries on the CPU port
- use regmap for register access
- allow user to enable/disable learning
- support Energy Efficient Ethernet
- support configuring RMII clock delays
- add tagging driver for MaxLinear GSW1xx switches
- Synopsys (stmmac):
- support using the HW clock in free running mode
- add Eswin EIC7700 support
- add Rockchip RK3506 support
- add Altera Agilex5 support
- Cadence (macb):
- cleanup and consolidate descriptor and DMA address handling
- add EyeQ5 support
- TI:
- icssg-prueth: support AF_XDP
- Airoha access points:
- add missing Ethernet stats and link state callback
- add AN7583 support
- support out-of-order Tx completion processing
- Power over Ethernet:
- pd692x0: preserve PSE configuration across reboots
- add support for TPS23881B devices
- Ethernet PHYs:
- Open Alliance OATC14 10BASE-T1S PHY cable diagnostic support
- Support 50G SerDes and 100G interfaces in Linux-managed PHYs
- micrel:
- support for non PTP SKUs of lan8814
- enable in-band auto-negotiation on lan8814
- realtek:
- cable testing support on RTL8224
- interrupt support on RTL8221B
- motorcomm: support for PHY LEDs on YT853
- microchip: support for LAN867X Rev.D0 PHYs w/ SQI and cable diag
- mscc: support for PHY LED control
- CAN drivers:
- m_can: add support for optional reset and system wake up
- remove can_change_mtu() obsoleted by core handling
- mcp251xfd: support GPIO controller functionality
- Bluetooth:
- add initial support for PASTa
- WiFi:
- split ieee80211.h file, it's way too big
- improvements in VHT radiotap reporting, S1G, Channel Switch
Announcement handling, rate tracking in mesh networks
- improve multi-radio monitor mode support, and add a cfg80211 debugfs
interface for it
- HT action frame handling on 6 GHz
- initial chanctx work towards NAN
- MU-MIMO sniffer improvements
- WiFi drivers:
- RealTek (rtw89):
- support USB devices RTL8852AU and RTL8852CU
- initial work for RTL8922DE
- improved injection support
- Intel:
- iwlwifi: new sniffer API support
- MediaTek (mt76):
- WED support for >32-bit DMA
- airoha NPU support
- regdomain improvements
- continued WiFi7/MLO work
- Qualcomm/Atheros:
- ath10k: factory test support
- ath11k: TX power insertion support
- ath12k: BSS color change support
- ath12k: statistics improvements
- brcmfmac: Acer A1 840 tablet quirk
- rtl8xxxu: 40 MHz connection fixes/support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Replace busylock at the Tx queuing layer with a lockless list.
Resulting in a 300% (4x) improvement on heavy TX workloads, sending
twice the number of packets per second, for half the cpu cycles.
- Allow constantly busy flows to migrate to a more suitable CPU/NIC
queue.
Normally we perform queue re-selection when flow comes out of idle,
but under extreme circumstances the flows may be constantly busy.
Add sysctl to allow periodic rehashing even if it'd risk packet
reordering.
- Optimize the NAPI skb cache, make it larger, use it in more paths.
- Attempt returning Tx skbs to the originating CPU (like we already
did for Rx skbs).
- Various data structure layout and prefetch optimizations from Eric.
- Remove ktime_get() from the recvmsg() fast path, ktime_get() is
sadly quite expensive on recent AMD machines.
- Extend threaded NAPI polling to allow the kthread busy poll for
packets.
- Make MPTCP use Rx backlog processing. This lowers the lock
pressure, improving the Rx performance.
- Support memcg accounting of MPTCP socket memory.
- Allow admin to opt sockets out of global protocol memory accounting
(using a sysctl or BPF-based policy). The global limits are a poor
fit for modern container workloads, where limits are imposed using
cgroups.
- Improve heuristics for when to kick off AF_UNIX garbage collection.
- Allow users to control TCP SACK compression, and default to 33% of
RTT.
- Add tcp_rcvbuf_low_rtt sysctl to let datacenter users avoid
unnecessarily aggressive rcvbuf growth and overshot when the
connection RTT is low.
- Preserve skb metadata space across skb_push / skb_pull operations.
- Support for IPIP encapsulation in the nftables flowtable offload.
- Support appending IP interface information to ICMP messages (RFC
5837).
- Support setting max record size in TLS (RFC 8449).
- Remove taking rtnl_lock from RTM_GETNEIGHTBL and RTM_SETNEIGHTBL.
- Use a dedicated lock (and RCU) in MPLS, instead of rtnl_lock.
- Let users configure the number of write buffers in SMC.
- Add new struct sockaddr_unsized for sockaddr of unknown length,
from Kees.
- Some conversions away from the crypto_ahash API, from Eric Biggers.
- Some preparations for slimming down struct page.
- YAML Netlink protocol spec for WireGuard.
- Add a tool on top of YAML Netlink specs/lib for reporting commonly
computed derived statistics and summarized system state.
Driver API:
- Add CAN XL support to the CAN Netlink interface.
- Add uAPI for reporting PHY Mean Square Error (MSE) diagnostics, as
defined by the OPEN Alliance's "Advanced diagnostic features for
100BASE-T1 automotive Ethernet PHYs" specification.
- Add DPLL phase-adjust-gran pin attribute (and implement it in
zl3073x).
- Refactor xfrm_input lock to reduce contention when NIC offloads
IPsec and performs RSS.
- Add info to devlink params whether the current setting is the
default or a user override. Allow resetting back to default.
- Add standard device stats for PSP crypto offload.
- Leverage DSA frame broadcast to implement simple HSR frame
duplication for a lot of switches without dedicated HSR offload.
- Add uAPI defines for 1.6Tbps link modes.
Device drivers:
- Add Motorcomm YT921x gigabit Ethernet switch support.
- Add MUCSE driver for N500/N210 1GbE NIC series.
- Convert drivers to support dedicated ops for timestamping control,
and away from the direct IOCTL handling. While at it support GET
operations for PHY timestamping.
- Add (and convert most drivers to) a dedicated ethtool callback for
reading the Rx ring count.
- Significant refactoring efforts in the STMMAC driver, which
supports Synopsys turn-key MAC IP integrated into a ton of SoCs.
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- support PPS in/out on all pins
- Intel (100G, ice, idpf):
- ice: implement standard ethtool and timestamping stats
- i40e: support setting the max number of MAC addresses per VF
- iavf: support RSS of GTP tunnels for 5G and LTE deployments
- nVidia/Mellanox (mlx5):
- reduce downtime on interface reconfiguration
- disable being an XDP redirect target by default (same as
other drivers) to avoid wasting resources if feature is
unused
- Meta (fbnic):
- add support for Linux-managed PCS on 25G, 50G, and 100G links
- Wangxun:
- support Rx descriptor merge, and Tx head writeback
- support Rx coalescing offload
- support 25G SPF and 40G QSFP modules
- Ethernet virtual:
- Google (gve):
- allow ethtool to configure rx_buf_len
- implement XDP HW RX Timestamping support for DQ descriptor
format
- Microsoft vNIC (mana):
- support HW link state events
- handle hardware recovery events when probing the device
- Ethernet NICs consumer, and embedded:
- usbnet: add support for Byte Queue Limits (BQL)
- AMD (amd-xgbe):
- add device selftests
- NXP (enetc):
- add i.MX94 support
- Broadcom integrated MACs (bcmgenet, bcmasp):
- bcmasp: add support for PHY-based Wake-on-LAN
- Broadcom switches (b53):
- support port isolation
- support BCM5389/97/98 and BCM63XX ARL formats
- Lantiq/MaxLinear switches:
- support bridge FDB entries on the CPU port
- use regmap for register access
- allow user to enable/disable learning
- support Energy Efficient Ethernet
- support configuring RMII clock delays
- add tagging driver for MaxLinear GSW1xx switches
- Synopsys (stmmac):
- support using the HW clock in free running mode
- add Eswin EIC7700 support
- add Rockchip RK3506 support
- add Altera Agilex5 support
- Cadence (macb):
- cleanup and consolidate descriptor and DMA address handling
- add EyeQ5 support
- TI:
- icssg-prueth: support AF_XDP
- Airoha access points:
- add missing Ethernet stats and link state callback
- add AN7583 support
- support out-of-order Tx completion processing
- Power over Ethernet:
- pd692x0: preserve PSE configuration across reboots
- add support for TPS23881B devices
- Ethernet PHYs:
- Open Alliance OATC14 10BASE-T1S PHY cable diagnostic support
- Support 50G SerDes and 100G interfaces in Linux-managed PHYs
- micrel:
- support for non PTP SKUs of lan8814
- enable in-band auto-negotiation on lan8814
- realtek:
- cable testing support on RTL8224
- interrupt support on RTL8221B
- motorcomm: support for PHY LEDs on YT853
- microchip: support for LAN867X Rev.D0 PHYs w/ SQI and cable diag
- mscc: support for PHY LED control
- CAN drivers:
- m_can: add support for optional reset and system wake up
- remove can_change_mtu() obsoleted by core handling
- mcp251xfd: support GPIO controller functionality
- Bluetooth:
- add initial support for PASTa
- WiFi:
- split ieee80211.h file, it's way too big
- improvements in VHT radiotap reporting, S1G, Channel Switch
Announcement handling, rate tracking in mesh networks
- improve multi-radio monitor mode support, and add a cfg80211
debugfs interface for it
- HT action frame handling on 6 GHz
- initial chanctx work towards NAN
- MU-MIMO sniffer improvements
- WiFi drivers:
- RealTek (rtw89):
- support USB devices RTL8852AU and RTL8852CU
- initial work for RTL8922DE
- improved injection support
- Intel:
- iwlwifi: new sniffer API support
- MediaTek (mt76):
- WED support for >32-bit DMA
- airoha NPU support
- regdomain improvements
- continued WiFi7/MLO work
- Qualcomm/Atheros:
- ath10k: factory test support
- ath11k: TX power insertion support
- ath12k: BSS color change support
- ath12k: statistics improvements
- brcmfmac: Acer A1 840 tablet quirk
- rtl8xxxu: 40 MHz connection fixes/support"
* tag 'net-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1381 commits)
net: page_pool: sanitise allocation order
net: page pool: xa init with destroy on pp init
net/mlx5e: Support XDP target xmit with dummy program
net/mlx5e: Update XDP features in switch channels
selftests/tc-testing: Test CAKE scheduler when enqueue drops packets
net/sched: sch_cake: Fix incorrect qlen reduction in cake_drop
wireguard: netlink: generate netlink code
wireguard: uapi: generate header with ynl-gen
wireguard: uapi: move flag enums
wireguard: uapi: move enum wg_cmd
wireguard: netlink: add YNL specification
selftests: drv-net: Fix tolerance calculation in devlink_rate_tc_bw.py
selftests: drv-net: Fix and clarify TC bandwidth split in devlink_rate_tc_bw.py
selftests: drv-net: Set shell=True for sysfs writes in devlink_rate_tc_bw.py
selftests: drv-net: Use Iperf3Runner in devlink_rate_tc_bw.py
selftests: drv-net: introduce Iperf3Runner for measurement use cases
selftests: drv-net: Add devlink_rate_tc_bw.py to TEST_PROGS
net: ps3_gelic_net: Use napi_alloc_skb() and napi_gro_receive()
Documentation: net: dsa: mention simple HSR offload helpers
Documentation: net: dsa: mention availability of RedBox
...
|
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Linus Torvalds
|
8449d3252c |
cgroup: Changes for v6.19
- Defer task cgroup unlink until after the dying task's final context switch so that controllers see the cgroup properly populated until the task is truly gone. - cpuset cleanups and simplifications. Enforce that domain isolated CPUs stay in root or isolated partitions and fail if isolated+nohz_full would leave no housekeeping CPU. Fix sched/deadline root domain handling during CPU hot-unplug and race for tasks in attaching cpusets. - Misc fixes including memory reclaim protection documentation and selftest KTAP conformance. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCaS3pEQ4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGYbrAP9H0kVyWH5tK9VhjSZyqidic8NuvtmNOyhIRrg0 8S8K0wD/YG9xlh2JUyRmS4B23ggc59+9y5xM2/sctrho51Pvsgg= =0MB+ -----END PGP SIGNATURE----- Merge tag 'cgroup-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup updates from Tejun Heo: - Defer task cgroup unlink until after the dying task's final context switch so that controllers see the cgroup properly populated until the task is truly gone - cpuset cleanups and simplifications. Enforce that domain isolated CPUs stay in root or isolated partitions and fail if isolated+nohz_full would leave no housekeeping CPU. Fix sched/deadline root domain handling during CPU hot-unplug and race for tasks in attaching cpusets - Misc fixes including memory reclaim protection documentation and selftest KTAP conformance * tag 'cgroup-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (21 commits) cpuset: Treat cpusets in attaching as populated sched/deadline: Walk up cpuset hierarchy to decide root domain when hot-unplug cgroup/cpuset: Introduce cpuset_cpus_allowed_locked() docs: cgroup: No special handling of unpopulated memcgs docs: cgroup: Note about sibling relative reclaim protection docs: cgroup: Explain reclaim protection target selftests/cgroup: conform test to KTAP format output cpuset: remove need_rebuild_sched_domains cpuset: remove global remote_children list cpuset: simplify node setting on error cgroup: include missing header for struct irq_work cgroup: Fix sleeping from invalid context warning on PREEMPT_RT cgroup/cpuset: Globally track isolated_cpus update cgroup/cpuset: Ensure domain isolated CPUs stay in root or isolated partition cgroup/cpuset: Move up prstate_housekeeping_conflict() helper cgroup/cpuset: Fail if isolated and nohz_full don't leave any housekeeping cgroup/cpuset: Rename update_unbound_workqueue_cpumask() to update_isolation_cpumasks() cgroup: Defer task cgroup unlink until after the task is done switching out cgroup: Move dying_tasks cleanup from cgroup_task_release() to cgroup_task_free() cgroup: Rename cgroup lifecycle hooks to cgroup_task_*() ... |
|
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Linus Torvalds
|
f96163865a |
This has been another busy cycle for documentation, with a lot of
build-system thrashing. That work should slow down from here on out.
- The various scripts and tools for documentation were spread out in
several directories; now they are (almost) all coalesced under
tools/docs/. The holdout is the kernel-doc script, which cannot be
easily moved without some further thought.
- As the amount of Python code increases, we are accumulating modules that
are imported by multiple programs. These modules have been pulled
together under tools/lib/python/ -- at least, for documentation-related
programs. There is other Python code in the tree that might eventually
want to move toward this organization.
- The Perl kernel-doc.pl script has been removed. It is no longer used by
default, and nobody has missed it, least of all anybody who actually had
to look at it.
- The docs build was controlled by a complex mess of makefilese that few
dared to touch. Mauro has moved that logic into a new program
(tools/docs/sphinx-build-wrapper) that, with any luck at all, will be far
easier to understand and maintain.
- The get_feat.pl program, used to access information under
Documentation/features/, has been rewritten in Python, bringing an end to
the use of Perl in the docs subsystem.
- The top-level README file has been reorganized into a more
reader-friendly presentation.
- A lot of Chinese translation additions
- Typo fixes and documentation updates as usual
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Merge tag 'docs-6.19' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"This has been another busy cycle for documentation, with a lot of
build-system thrashing. That work should slow down from here on out.
- The various scripts and tools for documentation were spread out in
several directories; now they are (almost) all coalesced under
tools/docs/. The holdout is the kernel-doc script, which cannot be
easily moved without some further thought.
- As the amount of Python code increases, we are accumulating modules
that are imported by multiple programs. These modules have been
pulled together under tools/lib/python/ -- at least, for
documentation-related programs. There is other Python code in the
tree that might eventually want to move toward this organization.
- The Perl kernel-doc.pl script has been removed. It is no longer
used by default, and nobody has missed it, least of all anybody who
actually had to look at it.
- The docs build was controlled by a complex mess of makefilese that
few dared to touch. Mauro has moved that logic into a new program
(tools/docs/sphinx-build-wrapper) that, with any luck at all, will
be far easier to understand and maintain.
- The get_feat.pl program, used to access information under
Documentation/features/, has been rewritten in Python, bringing an
end to the use of Perl in the docs subsystem.
- The top-level README file has been reorganized into a more
reader-friendly presentation.
- A lot of Chinese translation additions
- Typo fixes and documentation updates as usual"
* tag 'docs-6.19' of git://git.lwn.net/linux: (164 commits)
docs: makefile: move rustdoc check to the build wrapper
README: restructure with role-based documentation and guidelines
docs: kdoc: various fixes for grammar, spelling, punctuation
docs: kdoc_parser: use '@' for Excess enum value
docs: submitting-patches: Clarify that removal of Acks needs explanation too
docs: kdoc_parser: add data/function attributes to ignore
docs: MAINTAINERS: update Mauro's files/paths
docs/zh_CN: Add wd719x.rst translation
docs/zh_CN: Add libsas.rst translation
get_feat.pl: remove it, as it got replaced by get_feat.py
Documentation/sphinx/kernel_feat.py: use class directly
tools/docs/get_feat.py: convert get_feat.pl to Python
Documentation/admin-guide: fix typo and comment in cscope example
docs/zh_CN: Add data-integrity.rst translation
docs/zh_CN: Add blk-mq.rst translation
docs/zh_CN: Add block/index.rst translation
docs/zh_CN: Update the Chinese translation of kbuild.rst
docs: bring some order to our Python module hierarchy
docs: Move the python libraries to tools/lib/python
Documentation/kernel-parameters: Move the kernel build options
...
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Linus Torvalds
|
c832183148 |
ipe/stable-6.19 PR 20251202
-----BEGIN PGP SIGNATURE----- iIcEABYIAC8WIQQzmBmZPBN6m/hUJmnyomI6a/yO7QUCaS+zQhEcd3VmYW5Aa2Vy bmVsLm9yZwAKCRDyomI6a/yO7TfdAP4ngYyNKMwefqmrwG7akL9sRCWEH4Y/ZM/Z ZwFw0waDkAEA5gV5LH6DJme9rBsXjC8wkOiiUOerqopIVKPMeYKCmAc= =sOI5 -----END PGP SIGNATURE----- Merge tag 'ipe-pr-20251202' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipe Pull IPE udates from Fan Wu: "The primary change is the addition of support for the AT_EXECVE_CHECK flag. This allows interpreters to signal the kernel to perform IPE security checks on script files before execution, extending IPE enforcement to indirectly executed scripts. Update documentation for it, and also fix a comment" * tag 'ipe-pr-20251202' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipe: ipe: Update documentation for script enforcement ipe: Add AT_EXECVE_CHECK support for script enforcement ipe: Drop a duplicated CONFIG_ prefix in the ifdeffery |
|
|
Linus Torvalds
|
204a920f28 |
Patches for 6.19
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|
Yanzhu Huang
|
d7ba853c0e |
ipe: Update documentation for script enforcement
This patch adds explanation of script enforcement mechanism in admin guide documentation. Describes how IPE supports integrity enforcement for indirectly executed scripts through the AT_EXECVE_CHECK flag, and how this differs from kernel enforcement for compiled executables. Signed-off-by: Yanzhu Huang <yanzhuhuang@linux.microsoft.com> Signed-off-by: Fan Wu <wufan@kernel.org> |
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Linus Torvalds
|
619f4edc8d |
Thermal control updates for 6.19-rc1
- Add Nova Lake processor thermal device to the int340x
processor_thermal driver, add DLVR support for Nova Lake to it,
add Nova Lake support to the ACPI DPTF code, document thermal
throttling on Intel platforms, and update workload type hint
interface documentation (Srinivas Pandruvada)
- Remove int340x thermal scan handler from the ACPI DPTF code
because it turned out to be unnecessary (Slawomir Rosek)
- Clean up the Intel int340x thermal driver (Kaushlendra Kumar)
- Document the RZ/V2H TSU DT bindings (Ovidiu Panait)
- Document the Kaanapali Temperature Sensor (Manaf Meethalavalappu
Pallikunhi)
- Document R-Car Gen4 and RZ/G2 support in driver comment (Marek Vasut)
- Convert to DEFINE_SIMPLE_DEV_PM_OPS() in R-Car [Gen3] (Geert
Uytterhoeven)
- Fix format string bug in thermal-engine (Malaya Kumar Rout)
- Make ipq5018 tsens standalone compatible (George Moussalem)
- Add the QCS8300 compatible for QCom Tsens (Gaurav Kohli)
- Add support for the NXP i.MX91 thermal module, including the DT
bindings (Pengfei Li)
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Merge tag 'thermal-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These add Nova Lake processor support to the Intel thermal drivers and
DPTF code, update thermal control documentation, simplify the ACPI
DPTF code related to thermal control, add QCS8300 compatible to the
tsens thermal DT bindings, add DT bindings for NXP i.MX91 thermal
module and add support for it to the imx91 thermal driver, update a
few other thermal drivers and fix a format string issue in a thermal
utility:
- Add Nova Lake processor thermal device to the int340x
processor_thermal driver, add DLVR support for Nova Lake to it, add
Nova Lake support to the ACPI DPTF code, document thermal
throttling on Intel platforms, and update workload type hint
interface documentation (Srinivas Pandruvada)
- Remove int340x thermal scan handler from the ACPI DPTF code because
it turned out to be unnecessary (Slawomir Rosek)
- Clean up the Intel int340x thermal driver (Kaushlendra Kumar)
- Document the RZ/V2H TSU DT bindings (Ovidiu Panait)
- Document the Kaanapali Temperature Sensor (Manaf Meethalavalappu
Pallikunhi)
- Document R-Car Gen4 and RZ/G2 support in driver comment (Marek
Vasut)
- Convert to DEFINE_SIMPLE_DEV_PM_OPS() in R-Car [Gen3] (Geert
Uytterhoeven)
- Fix format string bug in thermal-engine (Malaya Kumar Rout)
- Make ipq5018 tsens standalone compatible (George Moussalem)
- Add the QCS8300 compatible for QCom Tsens (Gaurav Kohli)
- Add support for the NXP i.MX91 thermal module, including the DT
bindings (Pengfei Li)"
* tag 'thermal-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal/drivers/imx91: Add support for i.MX91 thermal monitoring unit
dt-bindings: thermal: fsl,imx91-tmu: add bindings for NXP i.MX91 thermal module
dt-bindings: thermal: tsens: Add QCS8300 compatible
dt-bindings: thermal: qcom-tsens: make ipq5018 tsens standalone compatible
tools/thermal/thermal-engine: Fix format string bug in thermal-engine
docs: driver-api/thermal/intel_dptf: Add new workload type hint
thermal/drivers/rcar_gen3: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
thermal/drivers/rcar: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
Documentation: thermal: Document thermal throttling on Intel platforms
ACPI: DPTF: Support Nova Lake
thermal: intel: int340x: Add DLVR support for Nova Lake
thermal: int340x: processor_thermal: Add Nova Lake processor thermal device
thermal: intel: int340x: Replace sprintf() with sysfs_emit()
thermal: intel: int340x: Use symbolic constant for UUID comparison
thermal/drivers/rcar_gen3: Document R-Car Gen4 and RZ/G2 support in driver comment
dt-bindings: thermal: qcom-tsens: document the Kaanapali Temperature Sensor
dt-bindings: thermal: r9a09g047-tsu: Document RZ/V2H TSU
ACPI: DPTF: Remove int340x thermal scan handler
thermal: intel: Select INT340X_THERMAL from INTEL_SOC_DTS_THERMAL
|
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Linus Torvalds
|
d348c22394 |
Power management updates for 6.19-rc1
- Introduce and document a QoS limit on CPU exit latency during wakeup
from suspend-to-idle (Ulf Hansson)
- Add support for building libcpupower statically (Zuo An)
- Add support for sending netlink notifications to user space on energy
model updates (Changwoo Mini, Peng Fan)
- Minor improvements to the Rust OPP interface (Tamir Duberstein)
- Fixes to scope-based pointers in the OPP library (Viresh Kumar)
- Use residency threshold in polling state override decisions in the
menu cpuidle governor (Aboorva Devarajan)
- Add sanity check for exit latency and target residency in the cpufreq
core (Rafael Wysocki)
- Use this_cpu_ptr() where possible in the teo governor (Christian
Loehle)
- Rework the handling of tick wakeups in the teo cpuidle governor to
increase the likelihood of stopping the scheduler tick in the cases
when tick wakeups can be counted as non-timer ones (Rafael Wysocki)
- Fix a reverse condition in the teo cpuidle governor and drop a
misguided target residency check from it (Rafael Wysocki)
- Clean up multiple minor defects in the teo cpuidle governor (Rafael
Wysocki)
- Update header inclusion to make it follow the Include What You Use
principle (Andy Shevchenko)
- Enable MSR-based RAPL PMU support in the intel_rapl power capping
driver and arrange for using it on the Panther Lake and Wildcat Lake
processors (Kuppuswamy Sathyanarayanan)
- Add support for Nova Lake and Wildcat Lake processors to the
intel_rapl power capping driver (Kaushlendra Kumar, Srinivas
Pandruvada)
- Add OPP and bandwidth support for Tegra186 (Aaron Kling)
- Optimizations for parameter array handling in the amd-pstate cpufreq
driver (Mario Limonciello)
- Fix for mode changes with offline CPUs in the amd-pstate cpufreq
driver (Gautham Shenoy)
- Preserve freq_table_sorted across suspend/hibernate in the cpufreq
core (Zihuan Zhang)
- Adjust energy model rules for Intel hybrid platforms in the
intel_pstate cpufreq driver and improve printing of debug messages
in it (Rafael Wysocki)
- Replace deprecated strcpy() in cpufreq_unregister_governor()
(Thorsten Blum)
- Fix duplicate hyperlink target errors in the intel_pstate cpufreq
driver documentation and use :ref: directive for internal linking in
it (Swaraj Gaikwad, Bagas Sanjaya)
- Add Diamond Rapids OOB mode support to the intel_pstate cpufreq
driver (Kuppuswamy Sathyanarayanan)
- Use mutex guard for driver locking in the intel_pstate driver and
eliminate some code duplication from it (Rafael Wysocki)
- Replace udelay() with usleep_range() in ACPI cpufreq (Kaushlendra
Kumar)
- Minor improvements to various cpufreq drivers (Christian Marangi, Hal
Feng, Jie Zhan, Marco Crivellari, Miaoqian Lin, and Shuhao Fu)
- Replace snprintf() with scnprintf() in show_trace_dev_match()
(Kaushlendra Kumar)
- Fix memory allocation error handling in pm_vt_switch_required()
(Malaya Kumar Rout)
- Introduce CALL_PM_OP() macro and use it to simplify code in
generic PM operations (Kaushlendra Kumar)
- Add module param to backtrace all CPUs in the device power management
watchdog (Sergey Senozhatsky)
- Rework message printing in swsusp_save() (Rafael Wysocki)
- Make it possible to change the number of hibernation compression
threads (Xueqin Luo)
- Clarify that only cgroup1 freezer uses PM freezer (Tejun Heo)
- Add document on debugging shutdown hangs to PM documentation and
correct a mistaken configuration option in it (Mario Limonciello)
- Shut down wakeup source timer before removing the wakeup source from
the list (Kaushlendra Kumar, Rafael Wysocki)
- Introduce new PMSG_POWEROFF event for system shutdown handling with
the help of PM device callbacks (Mario Limonciello)
- Make pm_test delay interruptible by wakeup events (Riwen Lu)
- Clean up kernel-doc comment style usage in the core hibernation
code and remove unuseful comments from it (Sunday Adelodun, Rafael
Wysocki)
- Add support for handling wakeup events and aborting the suspend
process while it is syncing file systems (Samuel Wu, Rafael Wysocki)
- Add WQ_UNBOUND to pm_wq workqueue (Marco Crivellari)
- Add runtime PM wrapper macros for ACQUIRE()/ACQUIRE_ERR() and use
them in the PCI core and the ACPI TAD driver (Rafael Wysocki)
- Improve runtime PM in the ACPI TAD driver (Rafael Wysocki)
- Update pm_runtime_allow/forbid() documentation (Rafael Wysocki)
- Fix typos in runtime.c comments (Malaya Kumar Rout)
- Move governor.h from devfreq under include/linux/ and rename to
devfreq-governor.h to allow devfreq governor definitions in out
of drivers/devfreq/ (Dmitry Baryshkov)
- Use min() to improve readability in tegra30-devfreq.c (Thorsten
Blum)
- Fix potential use-after-free issue of OPP handling in
hisi_uncore_freq.c (Pengjie Zhang)
- Fix typo in DFSO_DOWNDIFFERENTIAL macro name in
governor_simpleondemand.c in devfreq (Riwen Lu)
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Merge tag 'pm-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"There are quite a few interesting things here, including new hardware
support, new features, some bug fixes and documentation updates. In
addition, there are a usual bunch of minor fixes and cleanups all
over.
In the new hardware support category, there are intel_pstate and
intel_rapl driver updates to support new processors, Panther Lake,
Wildcat Lake, Noval Lake, and Diamond Rapids in the OOB mode, OPP and
bandwidth allocation support in the tegra186 cpufreq driver, and
JH7110S SOC support in dt-platdev cpufreq.
The new features are the PM QoS CPU latency limit for suspend-to-idle,
the netlink support for the energy model management, support for
terminating system suspend via a wakeup event during the sync of file
systems, configurable number of hibernation compression threads, the
runtime PM auto-cleanup macros, and the "poweroff" PM event that is
expected to be used during system shutdown.
Bugs are mostly fixed in cpuidle governors, but there are also fixes
elsewhere, like in the amd-pstate cpufreq driver.
Documentation updates include, but are not limited to, a new doc on
debugging shutdown hangs, cross-referencing fixes and cleanups in the
intel_pstate documentation, and updates of comments in the core
hibernation code.
Specifics:
- Introduce and document a QoS limit on CPU exit latency during
wakeup from suspend-to-idle (Ulf Hansson)
- Add support for building libcpupower statically (Zuo An)
- Add support for sending netlink notifications to user space on
energy model updates (Changwoo Mini, Peng Fan)
- Minor improvements to the Rust OPP interface (Tamir Duberstein)
- Fixes to scope-based pointers in the OPP library (Viresh Kumar)
- Use residency threshold in polling state override decisions in the
menu cpuidle governor (Aboorva Devarajan)
- Add sanity check for exit latency and target residency in the
cpufreq core (Rafael Wysocki)
- Use this_cpu_ptr() where possible in the teo governor (Christian
Loehle)
- Rework the handling of tick wakeups in the teo cpuidle governor to
increase the likelihood of stopping the scheduler tick in the cases
when tick wakeups can be counted as non-timer ones (Rafael Wysocki)
- Fix a reverse condition in the teo cpuidle governor and drop a
misguided target residency check from it (Rafael Wysocki)
- Clean up multiple minor defects in the teo cpuidle governor (Rafael
Wysocki)
- Update header inclusion to make it follow the Include What You Use
principle (Andy Shevchenko)
- Enable MSR-based RAPL PMU support in the intel_rapl power capping
driver and arrange for using it on the Panther Lake and Wildcat
Lake processors (Kuppuswamy Sathyanarayanan)
- Add support for Nova Lake and Wildcat Lake processors to the
intel_rapl power capping driver (Kaushlendra Kumar, Srinivas
Pandruvada)
- Add OPP and bandwidth support for Tegra186 (Aaron Kling)
- Optimizations for parameter array handling in the amd-pstate
cpufreq driver (Mario Limonciello)
- Fix for mode changes with offline CPUs in the amd-pstate cpufreq
driver (Gautham Shenoy)
- Preserve freq_table_sorted across suspend/hibernate in the cpufreq
core (Zihuan Zhang)
- Adjust energy model rules for Intel hybrid platforms in the
intel_pstate cpufreq driver and improve printing of debug messages
in it (Rafael Wysocki)
- Replace deprecated strcpy() in cpufreq_unregister_governor()
(Thorsten Blum)
- Fix duplicate hyperlink target errors in the intel_pstate cpufreq
driver documentation and use :ref: directive for internal linking
in it (Swaraj Gaikwad, Bagas Sanjaya)
- Add Diamond Rapids OOB mode support to the intel_pstate cpufreq
driver (Kuppuswamy Sathyanarayanan)
- Use mutex guard for driver locking in the intel_pstate driver and
eliminate some code duplication from it (Rafael Wysocki)
- Replace udelay() with usleep_range() in ACPI cpufreq (Kaushlendra
Kumar)
- Minor improvements to various cpufreq drivers (Christian Marangi,
Hal Feng, Jie Zhan, Marco Crivellari, Miaoqian Lin, and Shuhao Fu)
- Replace snprintf() with scnprintf() in show_trace_dev_match()
(Kaushlendra Kumar)
- Fix memory allocation error handling in pm_vt_switch_required()
(Malaya Kumar Rout)
- Introduce CALL_PM_OP() macro and use it to simplify code in generic
PM operations (Kaushlendra Kumar)
- Add module param to backtrace all CPUs in the device power
management watchdog (Sergey Senozhatsky)
- Rework message printing in swsusp_save() (Rafael Wysocki)
- Make it possible to change the number of hibernation compression
threads (Xueqin Luo)
- Clarify that only cgroup1 freezer uses PM freezer (Tejun Heo)
- Add document on debugging shutdown hangs to PM documentation and
correct a mistaken configuration option in it (Mario Limonciello)
- Shut down wakeup source timer before removing the wakeup source
from the list (Kaushlendra Kumar, Rafael Wysocki)
- Introduce new PMSG_POWEROFF event for system shutdown handling with
the help of PM device callbacks (Mario Limonciello)
- Make pm_test delay interruptible by wakeup events (Riwen Lu)
- Clean up kernel-doc comment style usage in the core hibernation
code and remove unuseful comments from it (Sunday Adelodun, Rafael
Wysocki)
- Add support for handling wakeup events and aborting the suspend
process while it is syncing file systems (Samuel Wu, Rafael
Wysocki)
- Add WQ_UNBOUND to pm_wq workqueue (Marco Crivellari)
- Add runtime PM wrapper macros for ACQUIRE()/ACQUIRE_ERR() and use
them in the PCI core and the ACPI TAD driver (Rafael Wysocki)
- Improve runtime PM in the ACPI TAD driver (Rafael Wysocki)
- Update pm_runtime_allow/forbid() documentation (Rafael Wysocki)
- Fix typos in runtime.c comments (Malaya Kumar Rout)
- Move governor.h from devfreq under include/linux/ and rename to
devfreq-governor.h to allow devfreq governor definitions in out of
drivers/devfreq/ (Dmitry Baryshkov)
- Use min() to improve readability in tegra30-devfreq.c (Thorsten
Blum)
- Fix potential use-after-free issue of OPP handling in
hisi_uncore_freq.c (Pengjie Zhang)
- Fix typo in DFSO_DOWNDIFFERENTIAL macro name in
governor_simpleondemand.c in devfreq (Riwen Lu)"
* tag 'pm-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (96 commits)
PM / devfreq: Fix typo in DFSO_DOWNDIFFERENTIAL macro name
cpuidle: Warn instead of bailing out if target residency check fails
cpuidle: Update header inclusion
Documentation: power/cpuidle: Document the CPU system wakeup latency QoS
cpuidle: Respect the CPU system wakeup QoS limit for cpuidle
sched: idle: Respect the CPU system wakeup QoS limit for s2idle
pmdomain: Respect the CPU system wakeup QoS limit for cpuidle
pmdomain: Respect the CPU system wakeup QoS limit for s2idle
PM: QoS: Introduce a CPU system wakeup QoS limit
cpuidle: governors: teo: Add missing space to the description
PM: hibernate: Extra cleanup of comments in swap handling code
PM / devfreq: tegra30: use min to simplify actmon_cpu_to_emc_rate
PM / devfreq: hisi: Fix potential UAF in OPP handling
PM / devfreq: Move governor.h to a public header location
powercap: intel_rapl: Enable MSR-based RAPL PMU support
powercap: intel_rapl: Prepare read_raw() interface for atomic-context callers
cpufreq: qcom-nvmem: fix compilation warning for qcom_cpufreq_ipq806x_match_list
PM: sleep: Call pm_sleep_fs_sync() instead of ksys_sync_helper()
PM: sleep: Add support for wakeup during filesystem sync
cpufreq: ACPI: Replace udelay() with usleep_range()
...
|
|
|
Linus Torvalds
|
2ae20d6510 |
- Add support for AMD's Smart Data Cache Injection feature which allows
for direct insertion of data from I/O devices into the L3 cache, thus bypassing DRAM and saving its bandwidth; the resctrl side of the feature allows the size of the L3 used for data injection to be controlled - Add Intel Clearwater Forest to the list of CPUs which support Sub-NUMA clustering - Other fixes and cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmktpFQACgkQEsHwGGHe VUop4g/9GTb/5rcFMQzeGlG3USnJOqJ+SmiAalA9lm1c933en9tqUgL/K0C0xC6h yraB3ICuob1YayiZkBwKIOQiei9gmfhH/CGf5vLcZMM+D6fqvlk1D+C40SuFoDFV DOH3H2nYoJ3vbZRtRZsD3bv/djST/OVk28g7eY8OwpZIwN5VSFULJwjK1ePPy+nL l65s/yrgLY0oLDBCGxtJ9gVxjCBqAoqfbbwVbcJm5hXv+2sYk8BH6de/CU+0v/vo K6Qu4GbmWqDKYH9thjC4ZC/DPXjtoCxGkg/l1Af5T1PiZF0ZtgEZI6i9JTR33jYJ 7j6BpkCwPzY07MKj/Ub1RemlMfY4XMN/qssEfFmnwG+aMBtbojNAjdb00Pu9Ffn+ TKFKiZ6WBTcYhqPQsFVruwHh8wDbJp2/x/yBfjD4qovo1HuyCln4iGDmoFcU2wTD UlOXW89bxOT56A3FL77ElnOg9nRltvdKduOluGtkpSkmBbzmDfoXrhG2z9zuuAui FB6GT2c5MRVXEC4BY30xwQBG5MArVRMyz9uYDyXf9+KHhWVdmq9K0ZAkIaUmPCvy BvBXpRhfxm/dKJPhtSuUPhh5A+a87gqoiu1McaFoVGyjVJIJ5gflge8+/mLj1lQz kG56SnLOzdtcwKcmQ5ncv5EkrTBD1Ph12u1kcd+4IZwkpgGZteE= =o7Dg -----END PGP SIGNATURE----- Merge tag 'x86_cache_for_v6.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 resource control updates from Borislav Petkov: - Add support for AMD's Smart Data Cache Injection feature which allows for direct insertion of data from I/O devices into the L3 cache, thus bypassing DRAM and saving its bandwidth; the resctrl side of the feature allows the size of the L3 used for data injection to be controlled - Add Intel Clearwater Forest to the list of CPUs which support Sub-NUMA clustering - Other fixes and cleanups * tag 'x86_cache_for_v6.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: fs/resctrl: Update bit_usage to reflect io_alloc fs/resctrl: Introduce interface to modify io_alloc capacity bitmasks fs/resctrl: Modify struct rdt_parse_data to pass mode and CLOSID fs/resctrl: Introduce interface to display io_alloc CBMs fs/resctrl: Add user interface to enable/disable io_alloc feature fs/resctrl: Introduce interface to display "io_alloc" support x86,fs/resctrl: Implement "io_alloc" enable/disable handlers x86,fs/resctrl: Detect io_alloc feature x86/resctrl: Add SDCIAE feature in the command line options x86/cpufeatures: Add support for L3 Smart Data Cache Injection Allocation Enforcement fs/resctrl: Consider sparse masks when initializing new group's allocation x86/resctrl: Support Sub-NUMA Cluster (SNC) mode on Clearwater Forest |
|
|
Linus Torvalds
|
49219bba01 |
- imh_edac: Add a new EDAC driver for Intel Diamond Rapids and
future incarnations of this memory controllers architecture
- amd64_edac: Remove the legacy csrow sysfs interface which has been
deprecated and unused (we assume) for at least a decade
- Add the capability to fallback to BIOS-provided address translation
functionality (ACPI PRM) which can be used on systems unsupported by
the current AMD address translation library
- The usual fixes, fixlets, cleanups and improvements all over the place
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Merge tag 'edac_updates_for_v6.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- imh_edac: Add a new EDAC driver for Intel Diamond Rapids and future
incarnations of this memory controllers architecture
- amd64_edac: Remove the legacy csrow sysfs interface which has been
deprecated and unused (we assume) for at least a decade
- Add the capability to fallback to BIOS-provided address translation
functionality (ACPI PRM) which can be used on systems unsupported by
the current AMD address translation library
- The usual fixes, fixlets, cleanups and improvements all over the
place
* tag 'edac_updates_for_v6.19_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
RAS/AMD/ATL: Replace bitwise_xor_bits() with hweight16()
EDAC/igen6: Fix error handling in igen6_edac driver
EDAC/imh: Setup 'imh_test' debugfs testing node
EDAC/{skx_comm,imh}: Detect 2-level memory configuration
EDAC/skx_common: Extend the maximum number of DRAM chip row bits
EDAC/{skx_common,imh}: Add EDAC driver for Intel Diamond Rapids servers
EDAC/skx_common: Prepare for skx_set_hi_lo()
EDAC/skx_common: Prepare for skx_get_edac_list()
EDAC/{skx_common,skx,i10nm}: Make skx_register_mci() independent of pci_dev
EDAC/ghes: Replace deprecated strcpy() in ghes_edac_report_mem_error()
EDAC/ie31200: Fix error handling in ie31200_register_mci
RAS/CEC: Replace use of system_wq with system_percpu_wq
EDAC: Remove the legacy EDAC sysfs interface
EDAC/amd64: Remove NUM_CONTROLLERS macro
EDAC/amd64: Generate ctl_name string at runtime
RAS/AMD/ATL: Require PRM support for future systems
ACPI: PRM: Add acpi_prm_handler_available()
RAS/AMD/ATL: Return error codes from helper functions
|
|
Rafael J. Wysocki
|
7cede21e9f |
Merge branches 'pm-qos' and 'pm-tools'
Merge PM QoS updates and a cpupower utility update for 6.19-rc1: - Introduce and document a QoS limit on CPU exit latency during wakeup from suspend-to-idle (Ulf Hansson) - Add support for building libcpupower statically (Zuo An) * pm-qos: Documentation: power/cpuidle: Document the CPU system wakeup latency QoS cpuidle: Respect the CPU system wakeup QoS limit for cpuidle sched: idle: Respect the CPU system wakeup QoS limit for s2idle pmdomain: Respect the CPU system wakeup QoS limit for cpuidle pmdomain: Respect the CPU system wakeup QoS limit for s2idle PM: QoS: Introduce a CPU system wakeup QoS limit * pm-tools: tools/power/cpupower: Support building libcpupower statically |
|
|
Rafael J. Wysocki
|
1fe2523713 |
Merge branch 'pm-cpufreq'
Merge cpufreq updates for 6.19-rc1: - Add OPP and bandwidth support for Tegra186 (Aaron Kling) - Optimizations for parameter array handling in the amd-pstate cpufreq driver (Mario Limonciello) - Fix for mode changes with offline CPUs in the amd-pstate cpufreq driver (Gautham Shenoy) - Preserve freq_table_sorted across suspend/hibernate in the cpufreq core (Zihuan Zhang) - Adjust energy model rules for Intel hybrid platforms in the intel_pstate cpufreq driver and improve printing of debug messages in it (Rafael Wysocki) - Replace deprecated strcpy() in cpufreq_unregister_governor() (Thorsten Blum) - Fix duplicate hyperlink target errors in the intel_pstate cpufreq driver documentation and use :ref: directive for internal linking in it (Swaraj Gaikwad, Bagas Sanjaya) - Add Diamond Rapids OOB mode support to the intel_pstate cpufreq driver (Kuppuswamy Sathyanarayanan) - Use mutex guard for driver locking in the intel_pstate driver and eliminate some code duplication from it (Rafael Wysocki) - Replace udelay() with usleep_range() in ACPI cpufreq (Kaushlendra Kumar) - Minor improvements to various cpufreq drivers (Christian Marangi, Hal Feng, Jie Zhan, Marco Crivellari, Miaoqian Lin, and Shuhao Fu) * pm-cpufreq: (27 commits) cpufreq: qcom-nvmem: fix compilation warning for qcom_cpufreq_ipq806x_match_list cpufreq: ACPI: Replace udelay() with usleep_range() cpufreq: intel_pstate: Eliminate some code duplication cpufreq: intel_pstate: Use mutex guard for driver locking cpufreq/amd-pstate: Call cppc_set_auto_sel() only for online CPUs cpufreq/amd-pstate: Add static asserts for EPP indices cpufreq/amd-pstate: Fix some whitespace issues cpufreq/amd-pstate: Adjust return values in amd_pstate_update_status() cpufreq/amd-pstate: Make amd_pstate_get_mode_string() never return NULL cpufreq/amd-pstate: Drop NULL value from amd_pstate_mode_string cpufreq/amd-pstate: Use sysfs_match_string() for epp cpufreq: tegra194: add WQ_PERCPU to alloc_workqueue users cpufreq: qcom-nvmem: add compatible fallback for ipq806x for no SMEM Documentation: intel-pstate: Use :ref: directive for internal linking cpufreq: intel_pstate: Add Diamond Rapids OOB mode support Documentation: intel_pstate: fix duplicate hyperlink target errors cpufreq: CPPC: Don't warn if FIE init fails to read counters cpufreq: nforce2: fix reference count leak in nforce2 cpufreq: tegra186: add OPP support and set bandwidth cpufreq: dt-platdev: Add JH7110S SOC to the allowlist ... |
|
Ulf Hansson
|
c19dfb267c |
Documentation: power/cpuidle: Document the CPU system wakeup latency QoS
Let's document how the new CPU system wakeup latency QoS limit can be used from user space, along with how the constraint is taken into account for s2idle and cpuidle. Reviewed-by: Dhruva Gole <d-gole@ti.com> Reviewed-by: Kevin Hilman (TI) <khilman@baylibre.com> Tested-by: Kevin Hilman (TI) <khilman@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://patch.msgid.link/20251125112650.329269-7-ulf.hansson@linaro.org Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
|
Richard Weinberger
|
84a8d467cc |
pagemap: update BUDDY flag documentation
Since v4.6 the BUDDY flag is set for _all_ pages in the block
and no longer just for the first one.
This change was introduced by:
commit
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Babu Moger
|
4d4840b125 |
x86/resctrl: Add SDCIAE feature in the command line options
Add a kernel command-line parameter to enable or disable the exposure of the L3 Smart Data Cache Injection Allocation Enforcement (SDCIAE) hardware feature to resctrl. Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Link: https://patch.msgid.link/c623edf7cb369ba9da966de47d9f1b666778a40e.1762995456.git.babu.moger@amd.com |
|
Jiakai Xu
|
55fb2d5726 |
Documentation/admin-guide: fix typo and comment in cscope example
This patch updates the Linux documentation for cscope, fixing two issues:
1. Corrects the typo in the command line:
c"scope -d -p10 -> cscope -d -p10
2. Fixes the related documentation comment for clarity and correctness:
cscope by default cscope.out database.
->
cscope by default uses the cscope.out database.
Signed-off-by: Jiakai Xu <jiakaiPeanut@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20251119065727.3500015-1-jiakaiPeanut@gmail.com>
|
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Borislav Petkov (AMD)
|
f690e07859 |
Documentation/kernel-parameters: Move the kernel build options
Move the kernel build options abbreviations to the .txt file so that they are together instead of one having to go hunt them in the .rst file. Tweak the formatting so that the inclusion of kernel-parameters.txt still keeps the whole thing somewhat presentable in the html output too. Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20251112114641.8230-1-bp@kernel.org> |
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Xie Yuanbin
|
46a47693e1 |
Documentation/kernel-parameters: fix typo in retbleed= kernel parameter description
Fixes a typo in the retbleed= parameter description, changing
"migitation" to "mitigation".
Fixes:
|
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Ritesh Harjani (IBM)
|
5b3a426aff |
powerpc/64s/slb: Add no_slb_preload early cmdline param
no_slb_preload cmdline can come useful in quickly disabling and/or testing the performance impact of userspace slb preloads. Recently there was a slb multi-hit issue due to slb preload cache which was very difficult to triage. This cmdline option allows to quickly disable preloads and verify if the issue exists in preload cache or somewhere else. This can also be a useful option to see the effect of slb preloads for any application workload e.g. number of slb faults with or w/o slb preloads. with slb_preload: slb_faults (minimal initrd boot): 15 slb_faults (full systemd boot): 300 with no_slb_preload: slb_faults (minimal initrd boot): 33 slb_faults (full systemd boot): 138180 Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/de484b55c45d831bc2db63945f455153c89a9a65.1761834163.git.ritesh.list@gmail.com |
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Damien Le Moal
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ade260ca85 |
Documentation: admin-guide: blockdev: update zloop parameters
In Documentation/admin-guide/blockdev/zoned_loop.rst, add the description of the zone_append and ordered_zone_append configuration arguments of zloop "add" command (device creation). Signed-off-by: Damien Le Moal <dlemoal@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Baoquan He
|
8e689f8ea4 |
mm/swap: do not choose swap device according to numa node
Patch series "mm/swapfile.c: select swap devices of default priority round robin", v5. Currently, on system with multiple swap devices, swap allocation will select one swap device according to priority. The swap device with the highest priority will be chosen to allocate firstly. People can specify a priority from 0 to 32767 when swapon a swap device, or the system will set it from -2 then downwards by default. Meanwhile, on NUMA system, the swap device with node_id will be considered first on that NUMA node of the node_id. In the current code, an array of plist, swap_avail_heads[nid], is used to organize swap devices on each NUMA node. For each NUMA node, there is a plist organizing all swap devices. The 'prio' value in the plist is the negated value of the device's priority due to plist being sorted from low to high. The swap device owning one node_id will be promoted to the front position on that NUMA node, then other swap devices are put in order of their default priority. E.g I got a system with 8 NUMA nodes, and I setup 4 zram partition as swap devices. Current behaviour: their priorities will be(note that -1 is skipped): NAME TYPE SIZE USED PRIO /dev/zram0 partition 16G 0B -2 /dev/zram1 partition 16G 0B -3 /dev/zram2 partition 16G 0B -4 /dev/zram3 partition 16G 0B -5 And their positions in the 8 swap_avail_lists[nid] will be: swap_avail_lists[0]: /* node 0's available swap device list */ zram0 -> zram1 -> zram2 -> zram3 prio:1 prio:3 prio:4 prio:5 swap_avali_lists[1]: /* node 1's available swap device list */ zram1 -> zram0 -> zram2 -> zram3 prio:1 prio:2 prio:4 prio:5 swap_avail_lists[2]: /* node 2's available swap device list */ zram2 -> zram0 -> zram1 -> zram3 prio:1 prio:2 prio:3 prio:5 swap_avail_lists[3]: /* node 3's available swap device list */ zram3 -> zram0 -> zram1 -> zram2 prio:1 prio:2 prio:3 prio:4 swap_avail_lists[4-7]: /* node 4,5,6,7's available swap device list */ zram0 -> zram1 -> zram2 -> zram3 prio:2 prio:3 prio:4 prio:5 The adjustment for swap device with node_id intended to decrease the pressure of lock contention for one swap device by taking different swap device on different node. The adjustment was introduced in commit |
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SeongJae Park
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e06469cdf1 |
Docs/admin-guide/mm/damon/usage: document obsolete_target file
Document the newly added obsolete_target DAMON sysfs file. Link: https://lkml.kernel.org/r/20251023012535.69625-5-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Reviewed-by: Bijan Tabatabai <bijan311@gmail.com> Cc: David Hildenbrand <david@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Dmitry Ilvokhin
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e97d7c5165 |
mm: shmem/tmpfs hugepage defaults config choice
Allow to override defaults for shemem and tmpfs at config time. This is consistent with how transparent hugepages can be configured. Same results can be achieved with the existing 'transparent_hugepage_shmem' and 'transparent_hugepage_tmpfs' settings in the kernel command line, but it is more convenient to define basic settings at config time instead of changing kernel command line later. Defaults for shmem and tmpfs were not changed. They are remained the same as before: 'never' for both cases. Options 'deny' and 'force' are omitted intentionally since these are special values and supposed to be used for emergencies or testing and are not expected to be permanent ones. Primary motivation for adding config option is to enable policy enforcement at build time. In large-scale production environments (Meta's for example), the kernel configuration is often maintained centrally close to the kernel code itself and owned by the kernel engineers, while boot parameters are managed independently (e.g. by provisioning systems). In such setups, the kernel build defines the supported and expected behavior in a single place, but there is no reliable or uniform control over the kernel command line options. A build-time default allows kernel integrators to enforce a predictable hugepage policy for shmem/tmpfs on a base layer, ensuring reproducible behavior and avoiding configuration drift caused by possible boot-time differences. In short, primary benefit is mostly operational: it provides a way to codify preferred policy in the kernel configuration, which is versioned, reviewed, and tested as part of the kernel build process, rather than depending on potentially variable boot parameters. [d@ilvokhin.com: v2] Link: https://lkml.kernel.org/r/aQECPpjd-fU_TC79@shell.ilvokhin.com Link: https://lkml.kernel.org/r/aPpv8sAa2sYgNu3L@shell.ilvokhin.com Signed-off-by: Dmitry Ilvokhin <d@ilvokhin.com> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Acked-by: Kiryl Shutsemau <kas@kernel.org> Cc: David Hildenbrand <david@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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SeongJae Park
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f46dbea0d9 |
Docs/admin-guide/mm/damon/stat: document negative idle time
Commit
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SeongJae Park
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da8644a476 |
Docs/admin-guide/mm/damon/stat: document aggr_interval_us parameter
Commit
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SeongJae Park
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448666e418 |
Docs/admin-guide/mm/damon/lru_sort: document addr_unit parameter
Commit
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SeongJae Park
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bb01656e00 |
Docs/admin-guide/mm/damon/reclaim: document addr_unit parameter
Commit
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SeongJae Park
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29221406f0 |
Docs/admin-guide/mm/damon/usage: document empty target regions commit behavior
Committing a monitoring target with empty target regions is for keeping
the current monitoring results. This behavior was introduced by commit
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SeongJae Park
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a01386c16d |
Docs/admin-guide/mm/damon/stat: fix a typo: s/sampling events/sampling interval/
It is a contextual typo. Fix it. Link: https://lkml.kernel.org/r/20251026182216.118200-4-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: David Hildenbrand <david@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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SeongJae Park
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87b8351580 |
Docs/admin-guide/mm/damon/usage: document DAMOS quota goal path file
A new DAMON sysfs interface file, namely 'path' has been added under DAMOS
quota goal directory, for specifying the cgroup for
DAMOS_QUOTA_NODE_MEMCG_{USED,FREE}_BP metrics. Document it on the usage
document.
Link: https://lkml.kernel.org/r/20251017212706.183502-10-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Shakeel Butt
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d929525c2e |
memcg: net: track network throttling due to memcg memory pressure
The kernel can throttle network sockets if the memory cgroup associated with the corresponding socket is under memory pressure. The throttling actions include clamping the transmit window, failing to expand receive or send buffers, aggressively prune out-of-order receive queue, FIN deferred to a retransmitted packet and more. Let's add memcg metric to track such throttling actions. At the moment memcg memory pressure is defined through vmpressure and in future it may be defined using PSI or we may add more flexible way for the users to define memory pressure, maybe through ebpf. However the potential throttling actions will remain the same, so this newly introduced metric will continue to track throttling actions irrespective of how memcg memory pressure is defined. Link: https://lkml.kernel.org/r/20251016161035.86161-1-shakeel.butt@linux.dev Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev> Acked-by: Roman Gushchin <roman.gushchin@linux.dev> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Daniel Sedlak <daniel.sedlak@cdn77.com> Cc: David S. Miller <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kacinski <kuba@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Muchun Song <muchun.song@linux.dev> Cc: Neal Cardwell <ncardwell@google.com> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Simon Horman <horms@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: Willem de Bruijn <willemb@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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SeongJae Park
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0fdaa13ee9 |
Docs/admin-guide/mm/zswap: s/red-black tree/xarray/
The change from commit
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Michael Riesch
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1c5e4cf1d5 |
Documentation: admin-guide: media: add rockchip camera interface
Add a document that describes the different variants of the Rockchip Camera Interface (CIF), their hardware layout, as well as their representation in the media controller centric rkcif device driver, which is located under drivers/media/platform/rockchip/rkcif. Reviewed-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Michael Riesch <michael.riesch@collabora.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org> |
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Michal Koutný
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a0131c3927 |
docs: cgroup: No special handling of unpopulated memcgs
The current kernel doesn't handle unpopulated cgroups any special
regarding reclaim protection. Furthermore, this wasn't a case even when
this was introduced in
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Michal Koutný
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3755c11679 |
docs: cgroup: Note about sibling relative reclaim protection
Signed-off-by: Michal Koutný <mkoutny@suse.com> Signed-off-by: Tejun Heo <tj@kernel.org> |
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Michal Koutný
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e27179958c |
docs: cgroup: Explain reclaim protection target
The protection target is necessary to understand how effective reclaim protection applies in the hierarchy. Signed-off-by: Michal Koutný <mkoutny@suse.com> Signed-off-by: Tejun Heo <tj@kernel.org> |
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Srinivas Pandruvada
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3402bc010d |
Documentation: thermal: Document thermal throttling on Intel platforms
Add documentation for Intel thermal throttling reporting events. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Tested-by: Randy Dunlap <rdunlap@infradead.org> [ rjw: Subject adjustment, file name change, minor edits ] Link: https://patch.msgid.link/20251113212104.221632-1-srinivas.pandruvada@linux.intel.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Daniel Scally
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87b214ddfe |
Documentation: media: mali-c55: Document the mali-c55 parameter setting
Document the mali-c55 parameter setting by expanding the relevant pages in both admin-guide/ and userspace-api/. Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Nayden Kanchev <nayden.kanchev@arm.com> Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org> |
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Daniel Scally
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b35d9f3e30 |
Documentation: media: mali-c55: Add Statistics documentation
Add documentation explaining the ability to capture statistics from the mali-c55 driver's new V4L2 device, as well as the various tap points from which those statistics can be drawn in the ISP's processing flow. Additionally add a page detailing the new V4L2 meta format for the mali-c55 statistics. Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Nayden Kanchev <nayden.kanchev@arm.com> Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org> |
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Daniel Scally
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dfb999e705 |
media: Documentation: Add Mali-C55 ISP Documentation
Add a documentation page for the mali-c55 driver, which gives a brief overview of the hardware and explains how to use the driver's capture devices and the crop/scaler functions. Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Nayden Kanchev <nayden.kanchev@arm.com> Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org> |
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Coly Li
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7bf90cd740 |
bcache: remove discard sysfs interface document
This patch removes documents of bcache discard sysfs interface, it drops discard related sections from, - Documentation/ABI/testing/sysfs-block-bcache - Documentation/admin-guide/bcache.rst Signed-off-by: Coly Li <colyli@fnnas.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Sourabh Jain
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b4a96ab50f |
powerpc/kdump: Add support for crashkernel CMA reservation
Commit |
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Li Nan
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62ed1b5822 |
md: allow configuring logical block size
Previously, raid array used the maximum logical block size (LBS) of all member disks. Adding a larger LBS disk at runtime could unexpectedly increase RAID's LBS, risking corruption of existing partitions. This can be reproduced by: ``` # LBS of sd[de] is 512 bytes, sdf is 4096 bytes. mdadm -CRq /dev/md0 -l1 -n3 /dev/sd[de] missing --assume-clean # LBS is 512 cat /sys/block/md0/queue/logical_block_size # create partition md0p1 parted -s /dev/md0 mklabel gpt mkpart primary 1MiB 100% lsblk | grep md0p1 # LBS becomes 4096 after adding sdf mdadm --add -q /dev/md0 /dev/sdf cat /sys/block/md0/queue/logical_block_size # partition lost partprobe /dev/md0 lsblk | grep md0p1 ``` Simply restricting larger-LBS disks is inflexible. In some scenarios, only disks with 512 bytes LBS are available currently, but later, disks with 4KB LBS may be added to the array. Making LBS configurable is the best way to solve this scenario. After this patch, the raid will: - store LBS in disk metadata - add a read-write sysfs 'mdX/logical_block_size' Future mdadm should support setting LBS via metadata field during RAID creation and the new sysfs. Though the kernel allows runtime LBS changes, users should avoid modifying it after creating partitions or filesystems to prevent compatibility issues. Only 1.x metadata supports configurable LBS. 0.90 metadata inits all fields to default values at auto-detect. Supporting 0.90 would require more extensive changes and no such use case has been observed. Note that many RAID paths rely on PAGE_SIZE alignment, including for metadata I/O. A larger LBS than PAGE_SIZE will result in metadata read/write failures. So this config should be prevented. Link: https://lore.kernel.org/linux-raid/20251103125757.1405796-6-linan666@huaweicloud.com Signed-off-by: Li Nan <linan122@huawei.com> Reviewed-by: Xiao Ni <xni@redhat.com> Signed-off-by: Yu Kuai <yukuai@fnnas.com> |
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pierwill
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e1cf4aac38 |
docs: Fix missing word in spectre.rst
Corrects a missing word in the hardware vulnerability docs. Signed-off-by: Will Pierce <pierwill@protonmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <Ru-d3ltJIyY4Oc6tzHwpSiDeFwSLHEzd7Utcr6iobgIy1B8wLRI4f6JiCb0a9n-0-r19d0dyLL3yS8KWVcyHfpkyDErWXYTkI3AJfUPTNCc=@protonmail.com> |
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Eric Dumazet
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b61785852e |
net: increase skb_defer_max default to 128
skb_defer_max value is very conservative, and can be increased to avoid too many calls to kick_defer_list_purge(). Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com> Reviewed-by: Jason Xing <kerneljasonxing@gmail.com> Link: https://patch.msgid.link/20251106202935.1776179-4-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |