mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
synced 2026-11-10 20:48:12 +00:00
1,426,898 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Takashi Iwai
|
cf5425e207 |
ALSA: usb-audio: Simplify with usb_endpoint_max_periodic_payload()
Recently we received a new helper function,
usb_endpoint_max_periodic_payload(), for calculating the max packet
size for periodic transfer.
Simplify the former open code with the new helper function.
Fixes:
|
||
Chris Chiu
|
a30fa81222 |
ALSA: hda/realtek: fix mute/micmute LEDs don't work for more HP laptops
More HP laptops with codec ALC3247 need the extra coefbit2 to make mic-mute/audio-mute working. Signed-off-by: Chris Chiu <chris.chiu@canonical.com> Link: https://patch.msgid.link/20251202042534.174755-1-chris.chiu@canonical.com Signed-off-by: Takashi Iwai <tiwai@suse.de> |
||
Nam Cao
|
b30f635bb6 |
rv: Convert to use __free
Convert to use __free to tidy up the code. Signed-off-by: Nam Cao <namcao@linutronix.de> Reviewed-by: Gabriele Monaco <gmonaco@redhat.com> Link: https://lore.kernel.org/r/62854e2fcb8f8dd2180a98a9700702dcf89a6980.1763370183.git.namcao@linutronix.de Signed-off-by: Gabriele Monaco <gmonaco@redhat.com> |
||
|
Nam Cao
|
8db3790c4d |
rv: Convert to use lock guard
Convert to use lock guard to tidy up the code. Signed-off-by: Nam Cao <namcao@linutronix.de> Reviewed-by: Gabriele Monaco <gmonaco@redhat.com> Link: https://lore.kernel.org/r/dbefeb868093c40d4b29fd6b57294a6aa011b719.1763370183.git.namcao@linutronix.de Signed-off-by: Gabriele Monaco <gmonaco@redhat.com> |
||
|
Takashi Iwai
|
9747b22a41 |
ASoC: Updates for v6.19
This is a very large set of updates, as well as some more extensive
cleanup work from Morimto-san we've also added a generic SCDA class
driver for SoundWire devices enabling us to support many chips with
no custom code. There's also a batch of new drivers added for both
SoCs and CODECs.
- Added a SoundWire SCDA generic class driver, pulling in a little
regmap work to support it.
- A *lot* of cleaup and API improvement work from Morimoto-san.
- Lots of work on the existing Cirrus, Intel, Maxim and Qualcomm
drivers.
- Support for Allwinner A523, Mediatek MT8189, Qualcomm QCM2290,
QRB2210 and SM6115, SpacemiT K1, and TI TAS2568, TAS5802, TAS5806,
TAS5815, TAS5828 and TAS5830.
This also pulls in some gpiolib changes supporting shared GPIOs in the
core there so we can convert some of the ASoC drivers open coding
handling of that to the core functionality.
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Merge tag 'asoc-v6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.19
This is a very large set of updates, as well as some more extensive
cleanup work from Morimto-san we've also added a generic SCDA class
driver for SoundWire devices enabling us to support many chips with
no custom code. There's also a batch of new drivers added for both
SoCs and CODECs.
- Added a SoundWire SCDA generic class driver, pulling in a little
regmap work to support it.
- A *lot* of cleaup and API improvement work from Morimoto-san.
- Lots of work on the existing Cirrus, Intel, Maxim and Qualcomm
drivers.
- Support for Allwinner A523, Mediatek MT8189, Qualcomm QCM2290,
QRB2210 and SM6115, SpacemiT K1, and TI TAS2568, TAS5802, TAS5806,
TAS5815, TAS5828 and TAS5830.
This also pulls in some gpiolib changes supporting shared GPIOs in the
core there so we can convert some of the ASoC drivers open coding
handling of that to the core functionality.
|
||
Linus Torvalds
|
4a26e7032d |
Core kernel bug handling infrastructure changes for v6.19:
- Improve WARN(), which has vararg printf like arguments,
to work with the x86 #UD based WARN-optimizing infrastructure
by hiding the format in the bug_table and replacing this
first argument with the address of the bug-table entry,
while making the actual function that's called a UD1 instruction.
(Peter Zijlstra)
- Introduce the CONFIG_DEBUG_BUGVERBOSE_DETAILED Kconfig switch
(Ingo Molnar, s390 support by Heiko Carstens)
Fixes and cleanups:
- bugs/s390: Remove private WARN_ON() implementation (Heiko Carstens)
- <asm/bugs.h>: Make i386 use GENERIC_BUG_RELATIVE_POINTERS
(Peter Zijlstra)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'core-bugs-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull bug handling infrastructure updates from Ingo Molnar:
"Core updates:
- Improve WARN(), which has vararg printf like arguments, to work
with the x86 #UD based WARN-optimizing infrastructure by hiding the
format in the bug_table and replacing this first argument with the
address of the bug-table entry, while making the actual function
that's called a UD1 instruction (Peter Zijlstra)
- Introduce the CONFIG_DEBUG_BUGVERBOSE_DETAILED Kconfig switch (Ingo
Molnar, s390 support by Heiko Carstens)
Fixes and cleanups:
- bugs/s390: Remove private WARN_ON() implementation (Heiko Carstens)
- <asm/bugs.h>: Make i386 use GENERIC_BUG_RELATIVE_POINTERS (Peter
Zijlstra)"
* tag 'core-bugs-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
x86/bugs: Make i386 use GENERIC_BUG_RELATIVE_POINTERS
x86/bug: Fix BUG_FORMAT vs KASLR
x86_64/bug: Inline the UD1
x86/bug: Implement WARN_ONCE()
x86_64/bug: Implement __WARN_printf()
x86/bug: Use BUG_FORMAT for DEBUG_BUGVERBOSE_DETAILED
x86/bug: Add BUG_FORMAT basics
bug: Allow architectures to provide __WARN_printf()
bug: Implement WARN_ON() using __WARN_FLAGS()
bug: Add report_bug_entry()
bug: Add BUG_FORMAT_ARGS infrastructure
bug: Clean up CONFIG_GENERIC_BUG_RELATIVE_POINTERS
bug: Add BUG_FORMAT infrastructure
x86: Rework __bug_table helpers
bugs/s390: Remove private WARN_ON() implementation
bugs/core: Reorganize fields in the first line of WARNING output, add ->comm[] output
bugs/sh: Concatenate 'cond_str' with '__FILE__' in __WARN_FLAGS(), to extend WARN_ON/BUG_ON output
bugs/parisc: Concatenate 'cond_str' with '__FILE__' in __WARN_FLAGS(), to extend WARN_ON/BUG_ON output
bugs/riscv: Concatenate 'cond_str' with '__FILE__' in __BUG_FLAGS(), to extend WARN_ON/BUG_ON output
bugs/riscv: Pass in 'cond_str' to __BUG_FLAGS()
...
|
||
|
Linus Torvalds
|
dcd8637edb |
Core x86 changes for v6.19:
- x86/alternatives: Drop unnecessary test after call to
alt_replace_call() (Juergen Gross)
- x86/dumpstack: Prevent KASAN false positive warnings in
__show_regs() (Tengda Wu)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core x86 updates from Ingo Molnar:
- x86/alternatives: Drop unnecessary test after call to
alt_replace_call() (Juergen Gross)
- x86/dumpstack: Prevent KASAN false positive warnings in
__show_regs() (Tengda Wu)
* tag 'x86-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/dumpstack: Prevent KASAN false positive warnings in __show_regs()
x86/alternative: Drop not needed test after call of alt_replace_call()
|
||
|
Linus Torvalds
|
e7d81c1ed6 |
A single fix for an ancient prototype in the math-emu code, by Arnd Bergmann.
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||
|
Linus Torvalds
|
de2f75d55e |
x86/apic changes for v6.19:
- x86/apic: Fix the frequency in apic=verbose log output (Julian Stecklina) - Simplify mp_irqdomain_alloc() slightly (Christophe JAILLET) Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmktePURHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1iIsQ//ZGocltNkF7GrYytJbLTactwvj/w1C9ly ejEh0enSVibyvc+ADkEwFBPIXqQDo9KssYlwTZmgI3SSv1nohMch7CWPQ87Rnajo NxzWueS4q5Yp/IRVAiwXME7cYmJ2MtGxRk+gyq8RSFoV2gVOmPkFlWX0DZzDv5Oi Z0OPM2sTlw+hrFKd0DoG5PySaYhVooYfKynXCFFwn8KrRNYuEfQwA4wZFesn2+u2 xwKaAKricpePG2/th3DdcBRUhkVZliVIUitbBUW5Ya9LsDeYkaq5+vLmywWEQC1q WCY8J3ptlH02E9xVoNA0M3lPhx5XPCcYQvSkgIobDE4d41e8yAj7Rgx1l5opNK6b KRMcsL9eBRMDbFSY0x6YA17XTz0yCN49BtiCx8hTGhPhBNyWICw5n8t1k5kTH9XQ Aj3oGSdtBstJIZjM4biPC5sP8HPXNn/QCHwMXBZEWG5IbyjbEFWGQvd3w2cNTuBd nMxaovs7eo+Q9ftbVlVJFhIgq9wEUUG9rTm7KLdqjglolhn7WzC/T7iVw+o8X9OX 3IZRYimbfoP90vgqROVQiRjPxMj7t2F8Y11Bf4jIizTeSSCZQhrXQjZdUX1JNY3F T2Yhk8AXBaUEgf7kZlwzy+jco0Sd60MWHD18k1Ouot/RONgAbmkTn2BIXD/CkkkP UjiPoILd1kg= =RTrX -----END PGP SIGNATURE----- Merge tag 'x86-apic-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 apic updates from Ingo Molnar: - x86/apic: Fix the frequency in apic=verbose log output (Julian Stecklina) - Simplify mp_irqdomain_alloc() slightly (Christophe JAILLET) * tag 'x86-apic-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/apic: Fix frequency in apic=verbose log output x86/ioapic: Simplify mp_irqdomain_alloc() slightly |
||
|
Linus Torvalds
|
6d2c10e889 |
Scheduler changes for v6.19:
Scalability and load-balancing improvements:
- Enable scheduler feature NEXT_BUDDY (Mel Gorman)
- Reimplement NEXT_BUDDY to align with EEVDF goals (Mel Gorman)
- Skip sched_balance_running cmpxchg when balance is not due (Tim Chen)
- Implement generic code for architecture specific sched domain
NUMA distances (Tim Chen)
- Optimize the NUMA distances of the sched-domains builds of Intel
Granite Rapids (GNR) and Clearwater Forest (CWF) platforms
(Tim Chen)
- Implement proportional newidle balance: a randomized algorithm
that runs newidle balancing proportional to its success rate.
(Peter Zijlstra)
Scheduler infrastructure changes:
- Implement the 'sched_change' scoped_guard() pattern for
the entire scheduler (Peter Zijlstra)
- More broadly utilize the sched_change guard (Peter Zijlstra)
- Add support to pick functions to take runqueue-flags (Joel Fernandes)
- Provide and use set_need_resched_current() (Peter Zijlstra)
Fair scheduling enhancements:
- Forfeit vruntime on yield (Fernand Sieber)
- Only update stats for allowed CPUs when looking for dst group (Adam Li)
CPU-core scheduling enhancements:
- Optimize core cookie matching check (Fernand Sieber)
Deadline scheduler fixes:
- Only set free_cpus for online runqueues (Doug Berger)
- Fix dl_server time accounting (Peter Zijlstra)
- Fix dl_server stop condition (Peter Zijlstra)
Proxy scheduling fixes:
- Yield the donor task (Fernand Sieber)
Fixes and cleanups:
- Fix do_set_cpus_allowed() locking (Peter Zijlstra)
- Fix migrate_disable_switch() locking (Peter Zijlstra)
- Remove double update_rq_clock() in __set_cpus_allowed_ptr_locked() (Hao Jia)
- Increase sched_tick_remote timeout (Phil Auld)
- sched/deadline: Use cpumask_weight_and() in dl_bw_cpus() (Shrikanth Hegde)
- sched/deadline: Clean up select_task_rq_dl() (Shrikanth Hegde)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"Scalability and load-balancing improvements:
- Enable scheduler feature NEXT_BUDDY (Mel Gorman)
- Reimplement NEXT_BUDDY to align with EEVDF goals (Mel Gorman)
- Skip sched_balance_running cmpxchg when balance is not due (Tim
Chen)
- Implement generic code for architecture specific sched domain NUMA
distances (Tim Chen)
- Optimize the NUMA distances of the sched-domains builds of Intel
Granite Rapids (GNR) and Clearwater Forest (CWF) platforms (Tim
Chen)
- Implement proportional newidle balance: a randomized algorithm that
runs newidle balancing proportional to its success rate. (Peter
Zijlstra)
Scheduler infrastructure changes:
- Implement the 'sched_change' scoped_guard() pattern for the entire
scheduler (Peter Zijlstra)
- More broadly utilize the sched_change guard (Peter Zijlstra)
- Add support to pick functions to take runqueue-flags (Joel
Fernandes)
- Provide and use set_need_resched_current() (Peter Zijlstra)
Fair scheduling enhancements:
- Forfeit vruntime on yield (Fernand Sieber)
- Only update stats for allowed CPUs when looking for dst group (Adam
Li)
CPU-core scheduling enhancements:
- Optimize core cookie matching check (Fernand Sieber)
Deadline scheduler fixes:
- Only set free_cpus for online runqueues (Doug Berger)
- Fix dl_server time accounting (Peter Zijlstra)
- Fix dl_server stop condition (Peter Zijlstra)
Proxy scheduling fixes:
- Yield the donor task (Fernand Sieber)
Fixes and cleanups:
- Fix do_set_cpus_allowed() locking (Peter Zijlstra)
- Fix migrate_disable_switch() locking (Peter Zijlstra)
- Remove double update_rq_clock() in __set_cpus_allowed_ptr_locked()
(Hao Jia)
- Increase sched_tick_remote timeout (Phil Auld)
- sched/deadline: Use cpumask_weight_and() in dl_bw_cpus() (Shrikanth
Hegde)
- sched/deadline: Clean up select_task_rq_dl() (Shrikanth Hegde)"
* tag 'sched-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
sched: Provide and use set_need_resched_current()
sched/fair: Proportional newidle balance
sched/fair: Small cleanup to update_newidle_cost()
sched/fair: Small cleanup to sched_balance_newidle()
sched/fair: Revert max_newidle_lb_cost bump
sched/fair: Reimplement NEXT_BUDDY to align with EEVDF goals
sched/fair: Enable scheduler feature NEXT_BUDDY
sched: Increase sched_tick_remote timeout
sched/fair: Have SD_SERIALIZE affect newidle balancing
sched/fair: Skip sched_balance_running cmpxchg when balance is not due
sched/deadline: Minor cleanup in select_task_rq_dl()
sched/deadline: Use cpumask_weight_and() in dl_bw_cpus
sched/deadline: Document dl_server
sched/deadline: Fix dl_server stop condition
sched/deadline: Fix dl_server time accounting
sched/core: Remove double update_rq_clock() in __set_cpus_allowed_ptr_locked()
sched/eevdf: Fix min_vruntime vs avg_vruntime
sched/core: Add comment explaining force-idle vruntime snapshots
sched/core: Optimize core cookie matching check
sched/proxy: Yield the donor task
...
|
||
|
Linus Torvalds
|
6c26fbe8c9 |
Performance events changes for v6.19:
Callchain support:
- Add support for deferred user-space stack unwinding for
perf, enabled on x86. (Peter Zijlstra, Steven Rostedt)
- unwind_user/x86: Enable frame pointer unwinding on x86
(Josh Poimboeuf)
x86 PMU support and infrastructure:
- x86/insn: Simplify for_each_insn_prefix() (Peter Zijlstra)
- x86/insn,uprobes,alternative: Unify insn_is_nop()
(Peter Zijlstra)
Intel PMU driver:
- Large series to prepare for and implement architectural PEBS
support for Intel platforms such as Clearwater Forest (CWF)
and Panther Lake (PTL). (Dapeng Mi, Kan Liang)
- Check dynamic constraints (Kan Liang)
- Optimize PEBS extended config (Peter Zijlstra)
- cstates: Remove PC3 support from LunarLake (Zhang Rui)
- cstates: Add Pantherlake support (Zhang Rui)
- cstates: Clearwater Forest support (Zide Chen)
AMD PMU driver:
- x86/amd: Check event before enable to avoid GPF (George Kennedy)
Fixes and cleanups:
- task_work: Fix NMI race condition (Peter Zijlstra)
- perf/x86: Fix NULL event access and potential PEBS record loss
(Dapeng Mi)
- Misc other fixes and cleanups.
(Dapeng Mi, Ingo Molnar, Peter Zijlstra)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull performance events updates from Ingo Molnar:
"Callchain support:
- Add support for deferred user-space stack unwinding for perf,
enabled on x86. (Peter Zijlstra, Steven Rostedt)
- unwind_user/x86: Enable frame pointer unwinding on x86 (Josh
Poimboeuf)
x86 PMU support and infrastructure:
- x86/insn: Simplify for_each_insn_prefix() (Peter Zijlstra)
- x86/insn,uprobes,alternative: Unify insn_is_nop() (Peter Zijlstra)
Intel PMU driver:
- Large series to prepare for and implement architectural PEBS
support for Intel platforms such as Clearwater Forest (CWF) and
Panther Lake (PTL). (Dapeng Mi, Kan Liang)
- Check dynamic constraints (Kan Liang)
- Optimize PEBS extended config (Peter Zijlstra)
- cstates:
- Remove PC3 support from LunarLake (Zhang Rui)
- Add Pantherlake support (Zhang Rui)
- Clearwater Forest support (Zide Chen)
AMD PMU driver:
- x86/amd: Check event before enable to avoid GPF (George Kennedy)
Fixes and cleanups:
- task_work: Fix NMI race condition (Peter Zijlstra)
- perf/x86: Fix NULL event access and potential PEBS record loss
(Dapeng Mi)
- Misc other fixes and cleanups (Dapeng Mi, Ingo Molnar, Peter
Zijlstra)"
* tag 'perf-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (38 commits)
perf/x86/intel: Fix and clean up intel_pmu_drain_arch_pebs() type use
perf/x86/intel: Optimize PEBS extended config
perf/x86/intel: Check PEBS dyn_constraints
perf/x86/intel: Add a check for dynamic constraints
perf/x86/intel: Add counter group support for arch-PEBS
perf/x86/intel: Setup PEBS data configuration and enable legacy groups
perf/x86/intel: Update dyn_constraint base on PEBS event precise level
perf/x86/intel: Allocate arch-PEBS buffer and initialize PEBS_BASE MSR
perf/x86/intel: Process arch-PEBS records or record fragments
perf/x86/intel/ds: Factor out PEBS group processing code to functions
perf/x86/intel/ds: Factor out PEBS record processing code to functions
perf/x86/intel: Initialize architectural PEBS
perf/x86/intel: Correct large PEBS flag check
perf/x86/intel: Replace x86_pmu.drain_pebs calling with static call
perf/x86: Fix NULL event access and potential PEBS record loss
perf/x86: Remove redundant is_x86_event() prototype
entry,unwind/deferred: Fix unwind_reset_info() placement
unwind_user/x86: Fix arch=um build
perf: Support deferred user unwind
unwind_user/x86: Teach FP unwind about start of function
...
|
||
Jakub Kicinski
|
31a3ed492d |
WireGuard updates for Linux 6.19-rc1.
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||
|
Linus Torvalds
|
63e6995005 |
objtool updates for v6.19:
- klp-build livepatch module generation (Josh Poimboeuf)
Introduce new objtool features and a klp-build
script to generate livepatch modules using a
source .patch as input.
This builds on concepts from the longstanding out-of-tree
kpatch project which began in 2012 and has been used for
many years to generate livepatch modules for production kernels.
However, this is a complete rewrite which incorporates
hard-earned lessons from 12+ years of maintaining kpatch.
Key improvements compared to kpatch-build:
- Integrated with objtool: Leverages objtool's existing control-flow
graph analysis to help detect changed functions.
- Works on vmlinux.o: Supports late-linked objects, making it
compatible with LTO, IBT, and similar.
- Simplified code base: ~3k fewer lines of code.
- Upstream: No more out-of-tree #ifdef hacks, far less cruft.
- Cleaner internals: Vastly simplified logic for symbol/section/reloc
inclusion and special section extraction.
- Robust __LINE__ macro handling: Avoids false positive binary diffs
caused by the __LINE__ macro by introducing a fix-patch-lines script
which injects #line directives into the source .patch to preserve
the original line numbers at compile time.
- Disassemble code with libopcodes instead of running objdump
(Alexandre Chartre)
- Disassemble support (-d option to objtool) by Alexandre Chartre,
which supports the decoding of various Linux kernel code generation
specials such as alternatives:
17ef: sched_balance_find_dst_group+0x62f mov 0x34(%r9),%edx
17f3: sched_balance_find_dst_group+0x633 | <alternative.17f3> | X86_FEATURE_POPCNT
17f3: sched_balance_find_dst_group+0x633 | call 0x17f8 <__sw_hweight64> | popcnt %rdi,%rax
17f8: sched_balance_find_dst_group+0x638 cmp %eax,%edx
... jump table alternatives:
1895: sched_use_asym_prio+0x5 test $0x8,%ch
1898: sched_use_asym_prio+0x8 je 0x18a9 <sched_use_asym_prio+0x19>
189a: sched_use_asym_prio+0xa | <jump_table.189a> | JUMP
189a: sched_use_asym_prio+0xa | jmp 0x18ae <sched_use_asym_prio+0x1e> | nop2
189c: sched_use_asym_prio+0xc mov $0x1,%eax
18a1: sched_use_asym_prio+0x11 and $0x80,%ecx
... exception table alternatives:
native_read_msr:
5b80: native_read_msr+0x0 mov %edi,%ecx
5b82: native_read_msr+0x2 | <ex_table.5b82> | EXCEPTION
5b82: native_read_msr+0x2 | rdmsr | resume at 0x5b84 <native_read_msr+0x4>
5b84: native_read_msr+0x4 shl $0x20,%rdx
.... x86 feature flag decoding (also see the X86_FEATURE_POPCNT
example in sched_balance_find_dst_group() above):
2faaf: start_thread_common.constprop.0+0x1f jne 0x2fba4 <start_thread_common.constprop.0+0x114>
2fab5: start_thread_common.constprop.0+0x25 | <alternative.2fab5> | X86_FEATURE_ALWAYS | X86_BUG_NULL_SEG
2fab5: start_thread_common.constprop.0+0x25 | jmp 0x2faba <.altinstr_aux+0x2f4> | jmp 0x4b0 <start_thread_common.constprop.0+0x3f> | nop5
2faba: start_thread_common.constprop.0+0x2a mov $0x2b,%eax
... NOP sequence shortening:
1048e2: snapshot_write_finalize+0xc2 je 0x104917 <snapshot_write_finalize+0xf7>
1048e4: snapshot_write_finalize+0xc4 nop6
1048ea: snapshot_write_finalize+0xca nop11
1048f5: snapshot_write_finalize+0xd5 nop11
104900: snapshot_write_finalize+0xe0 mov %rax,%rcx
104903: snapshot_write_finalize+0xe3 mov 0x10(%rdx),%rax
... and much more.
- Function validation tracing support (Alexandre Chartre)
- Various -ffunction-sections fixes (Josh Poimboeuf)
- Clang AutoFDO (Automated Feedback-Directed Optimizations) support (Josh Poimboeuf)
- Misc fixes and cleanups (Borislav Petkov, Chen Ni,
Dylan Hatch, Ingo Molnar, John Wang, Josh Poimboeuf,
Pankaj Raghav, Peter Zijlstra, Thorsten Blum)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
- klp-build livepatch module generation (Josh Poimboeuf)
Introduce new objtool features and a klp-build script to generate
livepatch modules using a source .patch as input.
This builds on concepts from the longstanding out-of-tree kpatch
project which began in 2012 and has been used for many years to
generate livepatch modules for production kernels. However, this is a
complete rewrite which incorporates hard-earned lessons from 12+
years of maintaining kpatch.
Key improvements compared to kpatch-build:
- Integrated with objtool: Leverages objtool's existing control-flow
graph analysis to help detect changed functions.
- Works on vmlinux.o: Supports late-linked objects, making it
compatible with LTO, IBT, and similar.
- Simplified code base: ~3k fewer lines of code.
- Upstream: No more out-of-tree #ifdef hacks, far less cruft.
- Cleaner internals: Vastly simplified logic for
symbol/section/reloc inclusion and special section extraction.
- Robust __LINE__ macro handling: Avoids false positive binary diffs
caused by the __LINE__ macro by introducing a fix-patch-lines
script which injects #line directives into the source .patch to
preserve the original line numbers at compile time.
- Disassemble code with libopcodes instead of running objdump
(Alexandre Chartre)
- Disassemble support (-d option to objtool) by Alexandre Chartre,
which supports the decoding of various Linux kernel code generation
specials such as alternatives:
17ef: sched_balance_find_dst_group+0x62f mov 0x34(%r9),%edx
17f3: sched_balance_find_dst_group+0x633 | <alternative.17f3> | X86_FEATURE_POPCNT
17f3: sched_balance_find_dst_group+0x633 | call 0x17f8 <__sw_hweight64> | popcnt %rdi,%rax
17f8: sched_balance_find_dst_group+0x638 cmp %eax,%edx
... jump table alternatives:
1895: sched_use_asym_prio+0x5 test $0x8,%ch
1898: sched_use_asym_prio+0x8 je 0x18a9 <sched_use_asym_prio+0x19>
189a: sched_use_asym_prio+0xa | <jump_table.189a> | JUMP
189a: sched_use_asym_prio+0xa | jmp 0x18ae <sched_use_asym_prio+0x1e> | nop2
189c: sched_use_asym_prio+0xc mov $0x1,%eax
18a1: sched_use_asym_prio+0x11 and $0x80,%ecx
... exception table alternatives:
native_read_msr:
5b80: native_read_msr+0x0 mov %edi,%ecx
5b82: native_read_msr+0x2 | <ex_table.5b82> | EXCEPTION
5b82: native_read_msr+0x2 | rdmsr | resume at 0x5b84 <native_read_msr+0x4>
5b84: native_read_msr+0x4 shl $0x20,%rdx
.... x86 feature flag decoding (also see the X86_FEATURE_POPCNT
example in sched_balance_find_dst_group() above):
2faaf: start_thread_common.constprop.0+0x1f jne 0x2fba4 <start_thread_common.constprop.0+0x114>
2fab5: start_thread_common.constprop.0+0x25 | <alternative.2fab5> | X86_FEATURE_ALWAYS | X86_BUG_NULL_SEG
2fab5: start_thread_common.constprop.0+0x25 | jmp 0x2faba <.altinstr_aux+0x2f4> | jmp 0x4b0 <start_thread_common.constprop.0+0x3f> | nop5
2faba: start_thread_common.constprop.0+0x2a mov $0x2b,%eax
... NOP sequence shortening:
1048e2: snapshot_write_finalize+0xc2 je 0x104917 <snapshot_write_finalize+0xf7>
1048e4: snapshot_write_finalize+0xc4 nop6
1048ea: snapshot_write_finalize+0xca nop11
1048f5: snapshot_write_finalize+0xd5 nop11
104900: snapshot_write_finalize+0xe0 mov %rax,%rcx
104903: snapshot_write_finalize+0xe3 mov 0x10(%rdx),%rax
... and much more.
- Function validation tracing support (Alexandre Chartre)
- Various -ffunction-sections fixes (Josh Poimboeuf)
- Clang AutoFDO (Automated Feedback-Directed Optimizations) support
(Josh Poimboeuf)
- Misc fixes and cleanups (Borislav Petkov, Chen Ni, Dylan Hatch, Ingo
Molnar, John Wang, Josh Poimboeuf, Pankaj Raghav, Peter Zijlstra,
Thorsten Blum)
* tag 'objtool-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (129 commits)
objtool: Fix segfault on unknown alternatives
objtool: Build with disassembly can fail when including bdf.h
objtool: Trim trailing NOPs in alternative
objtool: Add wide output for disassembly
objtool: Compact output for alternatives with one instruction
objtool: Improve naming of group alternatives
objtool: Add Function to get the name of a CPU feature
objtool: Provide access to feature and flags of group alternatives
objtool: Fix address references in alternatives
objtool: Disassemble jump table alternatives
objtool: Disassemble exception table alternatives
objtool: Print addresses with alternative instructions
objtool: Disassemble group alternatives
objtool: Print headers for alternatives
objtool: Preserve alternatives order
objtool: Add the --disas=<function-pattern> action
objtool: Do not validate IBT for .return_sites and .call_sites
objtool: Improve tracing of alternative instructions
objtool: Add functions to better name alternatives
objtool: Identify the different types of alternatives
...
|
||
|
Linus Torvalds
|
b53440f8e5 |
Locking updates for v6.19:
Mutexes:
- Redo __mutex_init() to reduce generated code size
(Sebastian Andrzej Siewior)
Seqlocks:
- Introduce scoped_seqlock_read() (Peter Zijlstra)
- Change thread_group_cputime() to use scoped_seqlock_read()
(Oleg Nesterov)
- Change do_task_stat() to use scoped_seqlock_read()
(Oleg Nesterov)
- Change do_io_accounting() to use scoped_seqlock_read()
(Oleg Nesterov)
- Fix the incorrect documentation of read_seqbegin_or_lock() /
need_seqretry() (Oleg Nesterov)
- Allow KASAN to fail optimizing (Peter Zijlstra)
Local lock updates:
- Fix all kernel-doc warnings (Randy Dunlap)
- Add the <linux/local_lock*.h> headers to MAINTAINERS
(Sebastian Andrzej Siewior)
- Reduce the risk of shadowing via s/l/__l/ and s/tl/__tl/
(Vincent Mailhol)
Lock debugging:
- spinlock/debug: Fix data-race in do_raw_write_lock
(Alexander Sverdlin)
Atomic primitives infrastructure:
- atomic: Skip alignment check for try_cmpxchg() old arg
(Arnd Bergmann)
Rust runtime integration:
- sync: atomic: Enable generated Atomic<T> usage (Boqun Feng)
- sync: atomic: Implement Debug for Atomic<Debug> (Boqun Feng)
- debugfs: Remove Rust native atomics and replace them with
Linux versions (Boqun Feng)
- debugfs: Implement Reader for Mutex<T> only when T is Unpin
(Boqun Feng)
- lock: guard: Add T: Unpin bound to DerefMut (Daniel Almeida)
- lock: Pin the inner data (Daniel Almeida)
- lock: Add a Pin<&mut T> accessor (Daniel Almeida)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"Mutexes:
- Redo __mutex_init() to reduce generated code size (Sebastian
Andrzej Siewior)
Seqlocks:
- Introduce scoped_seqlock_read() (Peter Zijlstra)
- Change thread_group_cputime() to use scoped_seqlock_read() (Oleg
Nesterov)
- Change do_task_stat() to use scoped_seqlock_read() (Oleg Nesterov)
- Change do_io_accounting() to use scoped_seqlock_read() (Oleg
Nesterov)
- Fix the incorrect documentation of read_seqbegin_or_lock() /
need_seqretry() (Oleg Nesterov)
- Allow KASAN to fail optimizing (Peter Zijlstra)
Local lock updates:
- Fix all kernel-doc warnings (Randy Dunlap)
- Add the <linux/local_lock*.h> headers to MAINTAINERS (Sebastian
Andrzej Siewior)
- Reduce the risk of shadowing via s/l/__l/ and s/tl/__tl/ (Vincent
Mailhol)
Lock debugging:
- spinlock/debug: Fix data-race in do_raw_write_lock (Alexander
Sverdlin)
Atomic primitives infrastructure:
- atomic: Skip alignment check for try_cmpxchg() old arg (Arnd
Bergmann)
Rust runtime integration:
- sync: atomic: Enable generated Atomic<T> usage (Boqun Feng)
- sync: atomic: Implement Debug for Atomic<Debug> (Boqun Feng)
- debugfs: Remove Rust native atomics and replace them with Linux
versions (Boqun Feng)
- debugfs: Implement Reader for Mutex<T> only when T is Unpin (Boqun
Feng)
- lock: guard: Add T: Unpin bound to DerefMut (Daniel Almeida)
- lock: Pin the inner data (Daniel Almeida)
- lock: Add a Pin<&mut T> accessor (Daniel Almeida)"
* tag 'locking-core-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/local_lock: Fix all kernel-doc warnings
locking/local_lock: s/l/__l/ and s/tl/__tl/ to reduce the risk of shadowing
locking/local_lock: Add the <linux/local_lock*.h> headers to MAINTAINERS
locking/mutex: Redo __mutex_init() to reduce generated code size
rust: debugfs: Replace the usage of Rust native atomics
rust: sync: atomic: Implement Debug for Atomic<Debug>
rust: sync: atomic: Make Atomic*Ops pub(crate)
seqlock: Allow KASAN to fail optimizing
rust: debugfs: Implement Reader for Mutex<T> only when T is Unpin
seqlock: Change do_io_accounting() to use scoped_seqlock_read()
seqlock: Change do_task_stat() to use scoped_seqlock_read()
seqlock: Change thread_group_cputime() to use scoped_seqlock_read()
seqlock: Introduce scoped_seqlock_read()
documentation: seqlock: fix the wrong documentation of read_seqbegin_or_lock/need_seqretry
atomic: Skip alignment check for try_cmpxchg() old arg
rust: lock: Add a Pin<&mut T> accessor
rust: lock: Pin the inner data
rust: lock: guard: Add T: Unpin bound to DerefMut
locking/spinlock/debug: Fix data-race in do_raw_write_lock
|
||
Asbjørn Sloth Tønnesen
|
3fd2f3d2f4 |
wireguard: netlink: generate netlink code
This patch adopts netlink policies and command definitions generated by ynl-gen, thus completing the conversion to YNL. Given that the old and new policies are functionally identical and have just been moved to a new file, it serves to verify that the policies generated from the spec are identical to the previous policy code. The following functions are renamed: wg_get_device_dump() -> wg_get_device_dumpit() wg_set_device() -> wg_set_device_doit() The new files are covered by the existing drivers/net/wireguard/ pattern in MAINTAINERS. No behavioural changes intended. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> |
||
|
Asbjørn Sloth Tønnesen
|
88cedad45b |
wireguard: uapi: generate header with ynl-gen
Use ynl-gen to generate the UAPI header for WireGuard. The cosmetic changes in this patch confirms that the spec is aligned with the implementation. By using the generated version, it ensures that they stay in sync. Changes in the generated header: * Trivial header guard rename. * Trivial white space changes. * Trivial comment changes. * Precompute bitflags in ynl-gen (see [1]). * Drop __*_F_ALL constants (see [1]). [1] https://lore.kernel.org/r/20251014123201.6ecfd146@kernel.org/ No behavioural changes intended. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> |
||
|
Asbjørn Sloth Tønnesen
|
8d974872ab |
wireguard: uapi: move flag enums
Move the wg*_flag enums, so they are defined above the attribute set enums, where ynl-gen would place them. This is an incremental step towards adopting an UAPI header generated by ynl-gen. This is split out to keep the patches readable. This is a trivial patch with no behavioural changes intended. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> |
||
|
Asbjørn Sloth Tønnesen
|
b5c5a82bf5 |
wireguard: uapi: move enum wg_cmd
This patch moves enum wg_cmd to the end of the file, where ynl-gen would generate it. This is an incremental step towards adopting an UAPI header generated by ynl-gen. This is split out to keep the patches readable. This is a trivial patch with no behavioural changes intended. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> |
||
|
Asbjørn Sloth Tønnesen
|
6b0f4ca079 |
wireguard: netlink: add YNL specification
This patch adds a near[1] complete YNL specification for WireGuard, documenting the protocol in a machine-readable format, rather than comments in wireguard.h, and eases usage from C and non-C programming languages alike. The generated C library will be featured in a later patch, so in this patch I will use the in-kernel python client for examples. This makes the documentation in the UAPI header redundant, it is therefore removed. The in-line documentation in the spec is based on the existing comment in wireguard.h, and once released it will be available in the kernel documentation at: https://docs.kernel.org/netlink/specs/wireguard.html (until then run: make htmldocs) Generate wireguard.rst from this spec: $ make -C tools/net/ynl/generated/ wireguard.rst Query wireguard interface through pyynl: $ sudo ./tools/net/ynl/pyynl/cli.py --family wireguard \ --dump get-device \ --json '{"ifindex":3}' [{'fwmark': 0, 'ifindex': 3, 'ifname': 'wg-test', 'listen-port': 54318, 'peers': [{0: {'allowedips': [{0: {'cidr-mask': 0, 'family': 2, 'ipaddr': '0.0.0.0'}}, {0: {'cidr-mask': 0, 'family': 10, 'ipaddr': '::'}}], 'endpoint': b'[...]', 'last-handshake-time': {'nsec': 42, 'sec': 42}, 'persistent-keepalive-interval': 42, 'preshared-key': '[...]', 'protocol-version': 1, 'public-key': '[...]', 'rx-bytes': 42, 'tx-bytes': 42}}], 'private-key': '[...]', 'public-key': '[...]'}] Add another allowed IP prefix: $ sudo ./tools/net/ynl/pyynl/cli.py --family wireguard \ --do set-device --json '{"ifindex":3,"peers":[ {"public-key":"6a df b1 83 a4 ..","allowedips":[ {"cidr-mask":0,"family":10,"ipaddr":"::"}]}]}' [1] As can be seen above, the "endpoint" is only dumped as binary data, as it can't be fully described in YNL. It's either a struct sockaddr_in or struct sockaddr_in6 depending on the attribute length. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> |
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Linus Torvalds
|
1b5dd29869 |
vfs-6.19-rc1.fd_prepare.fs
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Merge tag 'vfs-6.19-rc1.fd_prepare.fs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull fd prepare updates from Christian Brauner:
"This adds the FD_ADD() and FD_PREPARE() primitive. They simplify the
common pattern of get_unused_fd_flags() + create file + fd_install()
that is used extensively throughout the kernel and currently requires
cumbersome cleanup paths.
FD_ADD() - For simple cases where a file is installed immediately:
fd = FD_ADD(O_CLOEXEC, vfio_device_open_file(device));
if (fd < 0)
vfio_device_put_registration(device);
return fd;
FD_PREPARE() - For cases requiring access to the fd or file, or
additional work before publishing:
FD_PREPARE(fdf, O_CLOEXEC, sync_file->file);
if (fdf.err) {
fput(sync_file->file);
return fdf.err;
}
data.fence = fd_prepare_fd(fdf);
if (copy_to_user((void __user *)arg, &data, sizeof(data)))
return -EFAULT;
return fd_publish(fdf);
The primitives are centered around struct fd_prepare. FD_PREPARE()
encapsulates all allocation and cleanup logic and must be followed by
a call to fd_publish() which associates the fd with the file and
installs it into the caller's fdtable. If fd_publish() isn't called,
both are deallocated automatically. FD_ADD() is a shorthand that does
fd_publish() immediately and never exposes the struct to the caller.
I've implemented this in a way that it's compatible with the cleanup
infrastructure while also being usable separately. IOW, it's centered
around struct fd_prepare which is aliased to class_fd_prepare_t and so
we can make use of all the basica guard infrastructure"
* tag 'vfs-6.19-rc1.fd_prepare.fs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (42 commits)
io_uring: convert io_create_mock_file() to FD_PREPARE()
file: convert replace_fd() to FD_PREPARE()
vfio: convert vfio_group_ioctl_get_device_fd() to FD_ADD()
tty: convert ptm_open_peer() to FD_ADD()
ntsync: convert ntsync_obj_get_fd() to FD_PREPARE()
media: convert media_request_alloc() to FD_PREPARE()
hv: convert mshv_ioctl_create_partition() to FD_ADD()
gpio: convert linehandle_create() to FD_PREPARE()
pseries: port papr_rtas_setup_file_interface() to FD_ADD()
pseries: convert papr_platform_dump_create_handle() to FD_ADD()
spufs: convert spufs_gang_open() to FD_PREPARE()
papr-hvpipe: convert papr_hvpipe_dev_create_handle() to FD_PREPARE()
spufs: convert spufs_context_open() to FD_PREPARE()
net/socket: convert __sys_accept4_file() to FD_ADD()
net/socket: convert sock_map_fd() to FD_ADD()
net/kcm: convert kcm_ioctl() to FD_PREPARE()
net/handshake: convert handshake_nl_accept_doit() to FD_PREPARE()
secretmem: convert memfd_secret() to FD_ADD()
memfd: convert memfd_create() to FD_ADD()
bpf: convert bpf_token_create() to FD_PREPARE()
...
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Jakub Kicinski
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cbc19b3229 |
Merge branch 'selftests-drv-net-fix-issues-in-devlink_rate_tc_bw-py'
Carolina Jubran says: ==================== selftests: drv-net: Fix issues in devlink_rate_tc_bw.py This series fixes issues in the devlink_rate_tc_bw.py selftest and introduces a new Iperf3Runner that helps with measurement handling. ==================== Link: https://patch.msgid.link/20251130091938.4109055-1-cjubran@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Carolina Jubran
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5cc1bddcfe |
selftests: drv-net: Fix tolerance calculation in devlink_rate_tc_bw.py
Currently, tolerance is computed against the TC’s expected percentage, making TC3 (20%) validation overly strict and TC4 (80%) overly loose. Update BandwidthValidator to take a dict of shares and compute bounds relative to the overall total, so that all shares are validated consistently. Signed-off-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com> Reviewed-by: Nimrod Oren <noren@nvidia.com> Link: https://patch.msgid.link/20251130091938.4109055-7-cjubran@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Carolina Jubran
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9ecd05a2c8 |
selftests: drv-net: Fix and clarify TC bandwidth split in devlink_rate_tc_bw.py
Correct the documented bandwidth distribution between TC3 and TC4 from 80/20 to 20/80. Update test descriptions and printed messages to consistently reflect the intended split. Signed-off-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com> Reviewed-by: Nimrod Oren <noren@nvidia.com> Link: https://patch.msgid.link/20251130091938.4109055-6-cjubran@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Carolina Jubran
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3796e549e3 |
selftests: drv-net: Set shell=True for sysfs writes in devlink_rate_tc_bw.py
Commit 7c32f7a2d3db ("selftests: net: py: don't default to shell=True")
changed the cmd() helper to avoid spawning a shell unless explicitly
requested.
The devlink_rate_tc_bw test enables SR-IOV by writing to the
sriov_numvfs sysfs attribute using redirection. Without shell=True the
redirection is not interpreted and the VF device never appears,
causing the test to fail.
Fix by explicitly passing shell=True in the two places that update
sriov_numvfs.
Signed-off-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Nimrod Oren <noren@nvidia.com>
Link: https://patch.msgid.link/20251130091938.4109055-5-cjubran@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Carolina Jubran
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cb1acbd30a |
selftests: drv-net: Use Iperf3Runner in devlink_rate_tc_bw.py
Replace the inline iperf3 subprocess and JSON parsing with Iperf3Runner. Signed-off-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com> Reviewed-by: Nimrod Oren <noren@nvidia.com> Link: https://patch.msgid.link/20251130091938.4109055-4-cjubran@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Carolina Jubran
|
2a60ce94c6 |
selftests: drv-net: introduce Iperf3Runner for measurement use cases
GenerateTraffic was added to spin up long-running iperf3 load, mainly to drive high PPS background traffic. It was never meant to provide stable throughput numbers, and trying to repurpose it for measurement does not make sense. Introduce Iperf3Runner to allow tests to split out server/client configuration, control start/stop, and collect JSON output for analysis. This makes it possible to measure bandwidth directly when validating egress shaping. GenerateTraffic stays as the background load generator, reusing the common iperf3 helpers under the hood. Signed-off-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com> Reviewed-by: Nimrod Oren <noren@nvidia.com> Link: https://patch.msgid.link/20251130091938.4109055-3-cjubran@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Carolina Jubran
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a8658f7bb6 |
selftests: drv-net: Add devlink_rate_tc_bw.py to TEST_PROGS
This makes devlink_rate_tc_bw.py present in the Makefile under the same directory. Signed-off-by: Carolina Jubran <cjubran@nvidia.com> Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com> Reviewed-by: Nimrod Oren <noren@nvidia.com> Link: https://patch.msgid.link/20251130091938.4109055-2-cjubran@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Jakub Kicinski
|
4a18b6cd7c |
bluetooth-next pull request for net-next:
core: - HCI: Add initial support for PAST - hci_core: Introduce HCI_CONN_FLAG_PAST - ISO: Add support to bind to trigger PAST - HCI: Always use the identity address when initializing a connection - ISO: Attempt to resolve broadcast address - MGMT: Allow use of Set Device Flags without Add Device - ISO: Fix not updating BIS sender source address - HCI: Add support for LL Extended Feature Set driver: - btusb: Add new VID/PID 2b89/6275 for RTL8761BUV - btusb: MT7920: Add VID/PID 0489/e135 - btusb: MT7922: Add VID/PID 0489/e170 - btusb: Add new VID/PID 13d3/3533 for RTL8821CE - btusb: Add new VID/PID 0x0489/0xE12F for RTL8852BE-VT - btusb: Add new VID/PID 0x13d3/0x3618 for RTL8852BE-VT - btusb: Add new VID/PID 0x13d3/0x3619 for RTL8852BE-VT - btusb: Reclassify Qualcomm WCN6855 debug packets - btintel_pcie: Introduce HCI Driver protocol - btintel_pcie: Support for S4 (Hibernate) - btintel_pcie: Suspend/Resume: Controller doorbell interrupt handling - dt-bindings: net: Convert Marvell 8897/8997 bindings to DT schema - btbcm: Use kmalloc_array() to prevent overflow - btrtl: Add the support for RTL8761CUV - hci_h5: avoid sending two SYNC messages - hci_h5: implement CRC data integrity MAINTAINERS: - Add Bartosz Golaszewski as Qualcomm hci_qca maintainer -----BEGIN PGP SIGNATURE----- iQJNBAABCgA3FiEE7E6oRXp8w05ovYr/9JCA4xAyCykFAmkuCjwZHGx1aXoudm9u LmRlbnR6QGludGVsLmNvbQAKCRD0kIDjEDILKdOvD/9ReyEoUaUZ6aKC7TO66fT0 eo/sga036O3k9oeeECsEBOOgwOy86gbR7uGol/vV6mocm/Duql/pNqMrgC28Cxhy u+aGX7sf3s8Pc/e82Syx6u+QPKa6xz3Hnx1UdCM/HXb0nOkJUm3VHFmshFxmXE9g xyMWKtLp1DrXOZNLauR/p8fgAEhGQs8muICuWT/SrEbXZ4+coQoz2h6279IA9FGZ 2qj/pcLIBFk0qePkiaZ5LJGjF0P0+S9uX9XlhF9yIsLIckH8qAbPsHpD1+RsbkId R4WYxIBTVeeUhvWQezodsZJa8HRFQendCeBq8QhOo6fEcprpxrb4/8NS6hipblfy rTeyKUoPmPZ/5/nvx9pbRSqqdVOVT/pEOzD5o66bppX7s7Xq3k/WIRqCKpM4znIp iZyUlaoX6J5R+SHaOLVzRun6oUzXnIHbIGbWopfQBtMgpDajTcxQJpsTWdFQW4El RP+N9xoF+OBa4pKumKCe11pzUJOkBislDIAjNvp8wmevfSfkmo8CbqK5WwfL0rar VeBDlkfPYLVNiJ30WKwmLC4ymRvzAFhC0R6LoDPw8OWTZ7VBc7ReCcHDp8GBWbew pKe7jMWCCOo1q9zx0KBAwghQ6ZbABnK6N6Fg/Wpb/kfz7YkqnsRWRJkI2BTotEdu +bIZ2MwuJ59ROnfPy0tNBw== =ndah -----END PGP SIGNATURE----- Merge tag 'for-net-next-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Luiz Augusto von Dentz says: ==================== bluetooth-next pull request for net-next: core: - HCI: Add initial support for PAST - hci_core: Introduce HCI_CONN_FLAG_PAST - ISO: Add support to bind to trigger PAST - HCI: Always use the identity address when initializing a connection - ISO: Attempt to resolve broadcast address - MGMT: Allow use of Set Device Flags without Add Device - ISO: Fix not updating BIS sender source address - HCI: Add support for LL Extended Feature Set driver: - btusb: Add new VID/PID 2b89/6275 for RTL8761BUV - btusb: MT7920: Add VID/PID 0489/e135 - btusb: MT7922: Add VID/PID 0489/e170 - btusb: Add new VID/PID 13d3/3533 for RTL8821CE - btusb: Add new VID/PID 0x0489/0xE12F for RTL8852BE-VT - btusb: Add new VID/PID 0x13d3/0x3618 for RTL8852BE-VT - btusb: Add new VID/PID 0x13d3/0x3619 for RTL8852BE-VT - btusb: Reclassify Qualcomm WCN6855 debug packets - btintel_pcie: Introduce HCI Driver protocol - btintel_pcie: Support for S4 (Hibernate) - btintel_pcie: Suspend/Resume: Controller doorbell interrupt handling - dt-bindings: net: Convert Marvell 8897/8997 bindings to DT schema - btbcm: Use kmalloc_array() to prevent overflow - btrtl: Add the support for RTL8761CUV - hci_h5: avoid sending two SYNC messages - hci_h5: implement CRC data integrity MAINTAINERS: - Add Bartosz Golaszewski as Qualcomm hci_qca maintainer * tag 'for-net-next-2025-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (29 commits) Bluetooth: btusb: Add new VID/PID 13d3/3533 for RTL8821CE Bluetooth: HCI: Add support for LL Extended Feature Set drivers/bluetooth: btbcm: Use kmalloc_array() to prevent overflow Bluetooth: btintel_pcie: Introduce HCI Driver protocol Bluetooth: btusb: add new custom firmwares Bluetooth: btusb: Add new VID/PID 0x13d3/0x3619 for RTL8852BE-VT Bluetooth: btusb: Add new VID/PID 0x13d3/0x3618 for RTL8852BE-VT Bluetooth: btusb: Add new VID/PID 0x0489/0xE12F for RTL8852BE-VT Bluetooth: iso: fix socket matching ambiguity between BIS and CIS Bluetooth: MAINTAINERS: Add Bartosz Golaszewski as Qualcomm hci_qca maintainer Bluetooth: btrtl: Add the support for RTL8761CUV Bluetooth: Remove redundant pm_runtime_mark_last_busy() calls dt-bindings: net: Convert Marvell 8897/8997 bindings to DT schema Bluetooth: btusb: Reclassify Qualcomm WCN6855 debug packets Bluetooth: btusb: Add new VID/PID 2b89/6275 for RTL8761BUV Bluetooth: btintel_pcie: Suspend/Resume: Controller doorbell interrupt handling Bluetooth: btintel_pcie: Support for S4 (Hibernate) Bluetooth: btusb: MT7922: Add VID/PID 0489/e170 Bluetooth: btusb: MT7920: Add VID/PID 0489/e135 Bluetooth: ISO: Fix not updating BIS sender source address ... ==================== Link: https://patch.msgid.link/20251201213818.97249-1-luiz.dentz@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Florian Fuchs
|
d8e08149a5 |
net: ps3_gelic_net: Use napi_alloc_skb() and napi_gro_receive()
Use the napi functions napi_alloc_skb() and napi_gro_receive() instead of netdev_alloc_skb() and netif_receive_skb() for more efficient packet receiving. The switch to napi aware functions increases the RX throughput, reduces the occurrence of retransmissions and improves the resilience against SKB allocation failures. Signed-off-by: Florian Fuchs <fuchsfl@gmail.com> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20251130194155.1950980-1-fuchsfl@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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|
Jakub Kicinski
|
3101f3e116 |
Merge branch 'dsa-simple-hsr-offload'
Vladimir Oltean says: ==================== DSA simple HSR offload Provide a "simple" form of HSR offload for 8 DSA drivers (just the NETIF_F_HW_HSR_DUP feature) based on the fact that their taggers use the dsa_xmit_port_mask() function. This is in patches 6-13/15. The helpers per se are introduced in patch 5/15, and documented in patch 15/15. Patch 14/15 is another small (and related) documentation update. For HSR interlink ports the offloading rules are not quite so clear, and for now we completely reject the offload. We can revise that once we see a full offload implementation and understand what is needed. To reject the offload, we need to know the port type, and patch 2/15 helps with that. xrs700x is another driver which should have rejected offload based on port type (patch 4/15). This is a bug fix submitted through net-next due to the extra API required to fix it. If necessary, it could also be picked up separately for backporting. There is also patch 3/15, which makes the HSR offload like the others supported by DSA: if we fall back to the software implementation, don't call port_hsr_leave(), because by definition there won't be anything to do. A slightly unrelated change is patch 1/15, but I noticed this along the way, and if I were to submit it separately, it would conflict with this work (it would appear in patch 12/15's context). Most of the driver additions are trivial. By far the most complex was ocelot (which I could test). Microchip ksz (which I cannot test, and did not patch) would also have some complexity. Essentially, ksz_hsr_join() could fall back to a partial offload through the simple helpers, if the full offload is not possible. But keeping track of which offload kind was used is necessary later in ksz_hsr_leave(). This is left as homework for interested developers. With this patch set, one can observe a 50% reduction in transmitted traffic over HSR interfaces. ==================== Link: https://patch.msgid.link/20251130131657.65080-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Vladimir Oltean
|
4e4c00f34d |
Documentation: net: dsa: mention simple HSR offload helpers
Keep the documentation up to date. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20251130131657.65080-16-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Vladimir Oltean
|
977839161f |
Documentation: net: dsa: mention availability of RedBox
Since commit
|
||
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Vladimir Oltean
|
7271d4a08c |
net: dsa: a5psw: use simple HSR offload helpers
The "a5psw" tagging protocol uses dsa_xmit_port_mask(), which means we can offload HSR packet duplication on transmit. Enable that feature. Cc: "Clément Léger" <clement.leger@bootlin.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20251130131657.65080-14-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Vladimir Oltean
|
585943b7ad |
net: dsa: mt7530: use simple HSR offload helpers
The "mtk" tagging protocol uses dsa_xmit_port_mask(), which means we can offload HSR packet duplication on transmit. Enable that feature. Cc: Daniel Golle <daniel@makrotopia.org> Cc: DENG Qingfang <dqfext@gmail.com> Cc: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Acked-by: Chester A. Unal <chester.a.unal@arinc9.com> Link: https://patch.msgid.link/20251130131657.65080-13-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Vladimir Oltean
|
017bcff732 |
net: dsa: hellcreek: use simple HSR offload helpers
The "hellcreek" tagging protocol uses dsa_xmit_port_mask(), which means we can offload HSR packet duplication on transmit. Enable that feature. Cc: Kurt Kanzenbach <kurt@linutronix.de> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20251130131657.65080-12-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Vladimir Oltean
|
4af9fa2ba6 |
net: dsa: mv88e6060: use simple HSR offload helpers
The "trailer" tagging protocol uses dsa_xmit_port_mask(), which means we can offload HSR packet duplication on transmit. Enable that feature. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20251130131657.65080-11-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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|
Vladimir Oltean
|
b6ad21ef28 |
net: dsa: lantiq_gswip: use simple HSR offload helpers
Both the "gswip" and "gsw1xx" protocols use dsa_xmit_port_mask(), so they are compatible with accelerating TX packet duplication for HSR rings. Enable that feature by setting the port_hsr_join() and port_hsr_leave() operations to the simple helpers provided by DSA. Cc: Hauke Mehrtens <hauke@hauke-m.de> Cc: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20251130131657.65080-10-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Vladimir Oltean
|
6db31942e3 |
net: dsa: realtek: use simple HSR offload helpers
All known Realtek protocols: "rtl4a", "rtl8_4" and "rtl8_4t" use dsa_xmit_port_mask(), so they are compatible with accelerating TX packet duplication for HSR rings. Enable that feature by setting the port_hsr_join() and port_hsr_leave() operations to the simple helpers provided by DSA. Cc: "Alvin Šipraga" <alsi@bang-olufsen.dk> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Linus Walleij <linusw@kernel.org> Link: https://patch.msgid.link/20251130131657.65080-9-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Vladimir Oltean
|
4b65d44555 |
net: dsa: ocelot: use simple HSR offload helpers
Accelerate TX packet duplication with HSR rings. This is only possible with the NPI-based "ocelot" tagging protocol, not with "ocelot-8021q", because the latter does not use dsa_xmit_port_mask(). This has 2 implications: - Depending on tagging protocol, we should set (or not set) the offload feature flags. Switching tagging protocols is done with ports down, by design. Additional calls to dsa_port_simple_hsr_join() can be put in the ds->ops->change_tag_protocol() path, as I had originally tried, but this would not work: dsa_user_setup_tagger() would later clear the feature flag that we just set. So the additional call to dsa_port_simple_hsr_join() should sit in the ds->ops->port_enable() call. - When joining a HSR ring and we are currently using "ocelot-8021q", there are cases when we should return -EOPNOTSUPP (pessimistic) and cases when we shouldn't (optimistic). In the pessimistic case, it is a configuration that the port won't support even with the right tagging protocol. Distinguishing between these 2 cases matters because if we just return -EOPNOTSUPP regardless, we lose the dp->hsr_dev pointer and can no longer replay the offload later for the optimistic case, from felix_port_enable(). Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20251130131657.65080-8-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Vladimir Oltean
|
42e63b1373 |
net: dsa: yt921x: use simple HSR offloading helpers
Accelerate TX packet duplication with HSR rings. Cc: David Yang <mmyangfl@gmail.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20251130131657.65080-7-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Vladimir Oltean
|
0e75bfe340 |
net: dsa: add simple HSR offload helpers
It turns out that HSR offloads are so fine-grained that many DSA switches can do a small part even though they weren't specifically designed for the protocols supported by that driver (HSR and PRP). Specifically NETIF_F_HW_HSR_DUP - it is simple packet duplication on transmit, towards all (aka 2) ports members of the HSR device. For many DSA switches, we know how to duplicate a packet, even though we never typically use that feature. The transmit port mask from the tagging protocol can have multiple bits set, and the switch should send the packet once to every port with a bit set from that mask. Nonetheless, not all tagging protocols are like this, and sometimes the port is a single numeric value rather than a bit mask. For that reason, and also because switches can sometimes change tagging protocols for different ones, we need to make HSR offload helpers opt-in. For devices that can do nothing else HSR-specific, we introduce dsa_port_simple_hsr_join() and dsa_port_simple_hsr_leave(). These functions monitor when two user ports of the same switch are part of the same HSR device, and when that condition is true, they toggle the NETIF_F_HW_HSR_DUP feature flag of both net devices. Normally only dsa_port_simple_hsr_join() and dsa_port_simple_hsr_leave() are needed. The dsa_port_simple_hsr_validate() helper is just to see what kind of configuration could be offloadable using the generic helpers. This is used by switch drivers which are not currently using the right tagging protocol to offload this HSR ring, but could in principle offload it after changing the tagger. Suggested-by: David Yang <mmyangfl@gmail.com> Cc: "Alvin Šipraga" <alsi@bang-olufsen.dk> Cc: Chester A. Unal" <chester.a.unal@arinc9.com> Cc: "Clément Léger" <clement.leger@bootlin.com> Cc: Daniel Golle <daniel@makrotopia.org> Cc: DENG Qingfang <dqfext@gmail.com> Cc: Florian Fainelli <florian.fainelli@broadcom.com> Cc: George McCollister <george.mccollister@gmail.com> Cc: Hauke Mehrtens <hauke@hauke-m.de> Cc: Jonas Gorski <jonas.gorski@gmail.com> Cc: Kurt Kanzenbach <kurt@linutronix.de> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Sean Wang <sean.wang@mediatek.com> Cc: UNGLinuxDriver@microchip.com Cc: Woojung Huh <woojung.huh@microchip.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20251130131657.65080-6-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Vladimir Oltean
|
30296ac764 |
net: dsa: xrs700x: reject unsupported HSR configurations
As discussed here:
https://lore.kernel.org/netdev/20240620090210.drop6jwh7e5qw556@skbuf/
the fact is that the xrs700x.c driver only supports offloading
HSR_PT_SLAVE_A and HSR_PT_SLAVE_B (which were the only port types at the
time the offload was written, _for this driver_).
Up until now, the API did not explicitly tell offloading drivers what
port has what role. So xrs700x can get confused and think that it can
support a configuration which it actually can't. There was a table in
the attached link which gave an example:
$ ip link add name hsr0 type hsr slave1 swp0 slave2 swp1 \
interlink swp2 supervision 45 version 1
HSR_PT_SLAVE_A HSR_PT_SLAVE_B HSR_PT_INTERLINK
----------------------------------------------------------------
user
space 0 1 2
requests
----------------------------------------------------------------
XRS700X
driver 1 2 -
understands
The switch would act as if the ring ports were swp1 and swp2.
Now that we have explicit hsr_get_port_type() API, let's use that to
work around the unintended semantical changes of the offloading API
brought by the introduction of interlink ports in HSR.
Fixes:
|
||
|
Vladimir Oltean
|
bed59a86e9 |
net: dsa: avoid calling ds->ops->port_hsr_leave() when unoffloaded
This mirrors what we do in dsa_port_lag_leave() and dsa_port_bridge_leave(): when ds->ops->port_hsr_join() returns -EOPNOTSUPP, we fall back to a software implementation where dp->hsr_dev is NULL, and the unoffloaded port is no longer bothered with calls from the HSR layer. This helps, for example, with interlink ports which current DSA drivers don't know how to offload. We have to check only in port_hsr_join() for the port type, then in port_hsr_leave() we are sure we're dealing only with known port types. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20251130131657.65080-4-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Xiaoliang Yang
|
a0244e7621 |
net: hsr: create an API to get hsr port type
Since the introduction of HSR_PT_INTERLINK in commit
|
||
|
Vladimir Oltean
|
3b87e60d21 |
net: dsa: mt7530: unexport mt7530_switch_ops
Commit |
||
|
Linus Torvalds
|
ffbf700df2 |
vfs-6.19-rc1.autofs
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCaSmOZwAKCRCRxhvAZXjc ov48AP4qgtSo78euYDtsxkgU1IKRow1Hc3L/rql6uIP7dFtQ8AEAjZjCMK3vDSZy DUqStlgPZ3/GWyzdnDKOoAuwvn56gQQ= =KElr -----END PGP SIGNATURE----- Merge tag 'vfs-6.19-rc1.autofs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull autofs update from Christian Brauner: "Prevent futile mount triggers in private mount namespaces. Fix a problematic loop in autofs when a mount namespace contains autofs mounts that are propagation private and there is no namespace-specific automount daemon to handle possible automounting. Previously, attempted path resolution would loop until MAXSYMLINKS was reached before failing, causing significant noise in the log. The fix adds a check in autofs ->d_automount() so that the VFS can immediately return EPERM in this case. Since the mount is propagation private, EPERM is the most appropriate error code" * tag 'vfs-6.19-rc1.autofs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: autofs: dont trigger mount if it cant succeed |
||
|
Linus Torvalds
|
d0deeb803c |
vfs-6.19-rc1.ovl
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Merge tag 'vfs-6.19-rc1.ovl' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull overlayfs cred guard conversion from Christian Brauner:
"This converts all of overlayfs to use credential guards, eliminating
manual credential management throughout the filesystem.
Credential guard conversion:
- Convert all of overlayfs to use credential guards, replacing the
manual ovl_override_creds()/ovl_revert_creds() pattern with scoped
guards.
This makes credential handling visually explicit and eliminates a
class of potential bugs from mismatched override/revert calls.
(1) Basic credential guard (with_ovl_creds)
(2) Creator credential guard (ovl_override_creator_creds):
Introduced a specialized guard for file creation operations
that handles the two-phase credential override (mounter
credentials, then fs{g,u}id override). The new pattern is much
clearer:
with_ovl_creds(dentry->d_sb) {
scoped_class(prepare_creds_ovl, cred, dentry, inode, mode) {
if (IS_ERR(cred))
return PTR_ERR(cred);
/* creation operations */
}
}
(3) Copy-up credential guard (ovl_cu_creds):
Introduced a specialized guard for copy-up operations,
simplifying the previous struct ovl_cu_creds helper and
associated functions.
Ported ovl_copy_up_workdir() and ovl_copy_up_tmpfile() to this
pattern.
Cleanups:
- Remove ovl_revert_creds() after all callers converted to guards
- Remove struct ovl_cu_creds and associated functions
- Drop ovl_setup_cred_for_create() after conversion
- Refactor ovl_fill_super(), ovl_lookup(), ovl_iterate(),
ovl_rename() for cleaner credential guard scope
- Introduce struct ovl_renamedata to simplify rename handling
- Don't override credentials for ovl_check_whiteouts() (unnecessary)
- Remove unneeded semicolon"
* tag 'vfs-6.19-rc1.ovl' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (54 commits)
ovl: remove unneeded semicolon
ovl: remove struct ovl_cu_creds and associated functions
ovl: port ovl_copy_up_tmpfile() to cred guard
ovl: mark *_cu_creds() as unused temporarily
ovl: port ovl_copy_up_workdir() to cred guard
ovl: add copy up credential guard
ovl: drop ovl_setup_cred_for_create()
ovl: port ovl_create_or_link() to new ovl_override_creator_creds cleanup guard
ovl: mark ovl_setup_cred_for_create() as unused temporarily
ovl: reflow ovl_create_or_link()
ovl: port ovl_create_tmpfile() to new ovl_override_creator_creds cleanup guard
ovl: add ovl_override_creator_creds cred guard
ovl: remove ovl_revert_creds()
ovl: port ovl_fill_super() to cred guard
ovl: refactor ovl_fill_super()
ovl: port ovl_lower_positive() to cred guard
ovl: port ovl_lookup() to cred guard
ovl: refactor ovl_lookup()
ovl: port ovl_copyfile() to cred guard
ovl: port ovl_rename() to cred guard
...
|
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|
Linus Torvalds
|
a8058f8442 |
vfs-6.19-rc1.directory.locking
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCaSmOZwAKCRCRxhvAZXjc op9tAQCJ//STOkvYHfqgsdRD+cW9MRg/gPzfVZgnV1FTyf8sMgEA0IsY5zCZB9eh 9FdD0E57P8PlWRwWZ+LktnWBzRAUqwI= =MOVR -----END PGP SIGNATURE----- Merge tag 'vfs-6.19-rc1.directory.locking' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull directory locking updates from Christian Brauner: "This contains the work to add centralized APIs for directory locking operations. This series is part of a larger effort to change directory operation locking to allow multiple concurrent operations in a directory. The ultimate goal is to lock the target dentry(s) rather than the whole parent directory. To help with changing the locking protocol, this series centralizes locking and lookup in new helper functions. The helpers establish a pattern where it is the dentry that is being locked and unlocked (currently the lock is held on dentry->d_parent->d_inode, but that can change in the future). This also changes vfs_mkdir() to unlock the parent on failure, as well as dput()ing the dentry. This allows end_creating() to only require the target dentry (which may be IS_ERR() after vfs_mkdir()), not the parent" * tag 'vfs-6.19-rc1.directory.locking' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: nfsd: fix end_creating() conversion VFS: introduce end_creating_keep() VFS: change vfs_mkdir() to unlock on failure. ecryptfs: use new start_creating/start_removing APIs Add start_renaming_two_dentries() VFS/ovl/smb: introduce start_renaming_dentry() VFS/nfsd/ovl: introduce start_renaming() and end_renaming() VFS: add start_creating_killable() and start_removing_killable() VFS: introduce start_removing_dentry() smb/server: use end_removing_noperm for for target of smb2_create_link() VFS: introduce start_creating_noperm() and start_removing_noperm() VFS/nfsd/cachefiles/ovl: introduce start_removing() and end_removing() VFS/nfsd/cachefiles/ovl: add start_creating() and end_creating() VFS: tidy up do_unlinkat() VFS: introduce start_dirop() and end_dirop() debugfs: rename end_creating() to debugfs_end_creating() |
||
|
Linus Torvalds
|
db74a7d02a |
vfs-6.19-rc1.directory.delegations
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Merge tag 'vfs-6.19-rc1.directory.delegations' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull directory delegations update from Christian Brauner:
"This contains the work for recall-only directory delegations for
knfsd.
Add support for simple, recallable-only directory delegations. This
was decided at the fall NFS Bakeathon where the NFS client and server
maintainers discussed how to merge directory delegation support.
The approach starts with recallable-only delegations for several reasons:
1. RFC8881 has gaps that are being addressed in RFC8881bis. In
particular, it requires directory position information for
CB_NOTIFY callbacks, which is difficult to implement properly
under Linux. The spec is being extended to allow that information
to be omitted.
2. Client-side support for CB_NOTIFY still lags. The client side
involves heuristics about when to request a delegation.
3. Early indication shows simple, recallable-only delegations can
help performance. Anna Schumaker mentioned seeing a multi-minute
speedup in xfstests runs with them enabled.
With these changes, userspace can also request a read lease on a
directory that will be recalled on conflicting accesses. This may be
useful for applications like Samba. Users can disable leases
altogether via the fs.leases-enable sysctl if needed.
VFS changes:
- Dedicated Type for Delegations
Introduce struct delegated_inode to track inodes that may have
delegations that need to be broken. This replaces the previous
approach of passing raw inode pointers through the delegation
breaking code paths, providing better type safety and clearer
semantics for the delegation machinery.
- Break parent directory delegations in open(..., O_CREAT) codepath
- Allow mkdir to wait for delegation break on parent
- Allow rmdir to wait for delegation break on parent
- Add try_break_deleg calls for parents to vfs_link(), vfs_rename(),
and vfs_unlink()
- Make vfs_create(), vfs_mknod(), and vfs_symlink() break delegations
on parent directory
- Clean up argument list for vfs_create()
- Expose delegation support to userland
Filelock changes:
- Make lease_alloc() take a flags argument
- Rework the __break_lease API to use flags
- Add struct delegated_inode
- Push the S_ISREG check down to ->setlease handlers
- Lift the ban on directory leases in generic_setlease
NFSD changes:
- Allow filecache to hold S_IFDIR files
- Allow DELEGRETURN on directories
- Wire up GET_DIR_DELEGATION handling
Fixes:
- Fix kernel-doc warnings in __fcntl_getlease
- Add needed headers for new struct delegation definition"
* tag 'vfs-6.19-rc1.directory.delegations' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
vfs: add needed headers for new struct delegation definition
filelock: __fcntl_getlease: fix kernel-doc warnings
vfs: expose delegation support to userland
nfsd: wire up GET_DIR_DELEGATION handling
nfsd: allow DELEGRETURN on directories
nfsd: allow filecache to hold S_IFDIR files
filelock: lift the ban on directory leases in generic_setlease
vfs: make vfs_symlink break delegations on parent dir
vfs: make vfs_mknod break delegations on parent directory
vfs: make vfs_create break delegations on parent directory
vfs: clean up argument list for vfs_create()
vfs: break parent dir delegations in open(..., O_CREAT) codepath
vfs: allow rmdir to wait for delegation break on parent
vfs: allow mkdir to wait for delegation break on parent
vfs: add try_break_deleg calls for parents to vfs_{link,rename,unlink}
filelock: push the S_ISREG check down to ->setlease handlers
filelock: add struct delegated_inode
filelock: rework the __break_lease API to use flags
filelock: make lease_alloc() take a flags argument
|
||
|
Linus Torvalds
|
4664fb427c |
vfs-6.19-rc1.minix
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Merge tag 'vfs-6.19-rc1.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull minix fixes from Christian Brauner:
"Fix two syzbot corruption bugs in the minix filesystem.
Syzbot fuzzes filesystems by trying to mount and manipulate
deliberately corrupted images. This should not lead to BUG_ONs and
WARN_ONs for easy to detect corruptions.
- Add error handling to minix filesystem for inode corruption
detection, enabling the filesystem to report such corruptions
cleanly.
- Fix a drop_nlink warning in minix_rmdir() triggered by corrupted
directory link counts.
- Fix a drop_nlink warning in minix_rename() triggered by corrupted
inode link counts"
* tag 'vfs-6.19-rc1.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
Fix a drop_nlink warning in minix_rename
Fix a drop_nlink warning in minix_rmdir
Add error handling to minix filesystem for inode corruption detection
|