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1320329 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
fb1dd1403c |
A set of changes for debugobjects:
- Prevent destroying the kmem_cache on early failure.
Destroying a kmem_cache requires work queues to be set up, but in the
early failure case they are not yet initializated. So rather leak the
cache instead of triggering a BUG.
- Reduce parallel pool fill attempts.
Refilling the object pool requires to take the global pool lock, which
causes a massive performance issue when a large number of CPUs attempt
to refill concurrently. It turns out that it's sufficient to let one
CPU handle the refill from the to free list and in case there are not
enough objects on it to allocate new objects from the kmem cache.
This also splits the free list handling from the actual allocation path
as that yields better results on RT where allocation is restricted to
preemptible code paths. The refill from free list has no such
restrictions.
- Consolidate the global and the per CPU pools to use the same data
structure, so all helper functions can be shared.
- Simplify the object allocation/free logic.
The allocation/free logic is an incomprehensible maze, which tries to
utilize the to free list and the global pool in the best way. This all
can be simplified into a straight forward comprehensible code flow.
- Convert the allocation/free mechanism to batch mode.
Transferring objects from the global pool to the per CPU pools or vice
versa is done by walking the hlist and moving object by object. That
not only increases the pool lock held time, it also dirties up to 17
cache lines.
This can be avoided by storing the pointer to the first object in a
batch of 16 objects in the objects themself and propagate it through
the batch when an object is enqueued into a pool or to a temporary
hlist head on allocation.
This allows to move batches of objects with at max four cache lines
dirtied and reduces the pool lock held time and therefore contention
significantly.
- Improve the object reusage
The current implementation is too agressively freeing unused objects,
which is counterproductive on bursty workloads like a kernel compile.
Address this by:
* increasing the per CPU pool size
* refilling the per CPU pool from the to be freed pool when the per
CPU pool emptied a batch
* keeping track of object usage with a exponentially wheighted
moving average which prevents the work queue callback to free
objects prematuraly.
This combined reduces the allocation/free rate for a full kernel
compile significantly:
kmem_cache_alloc() kmem_cache_free()
Baseline: 380k 330k
Improved: 170k 117k
- A few cleanups and a more cache line friendly layout of debug
information on top.
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Merge tag 'core-debugobjects-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull debugobjects updates from Thomas Gleixner:
- Prevent destroying the kmem_cache on early failure.
Destroying a kmem_cache requires work queues to be set up, but in the
early failure case they are not yet initializated. So rather leak the
cache instead of triggering a BUG.
- Reduce parallel pool fill attempts.
Refilling the object pool requires to take the global pool lock,
which causes a massive performance issue when a large number of CPUs
attempt to refill concurrently. It turns out that it's sufficient to
let one CPU handle the refill from the to free list and in case there
are not enough objects on it to allocate new objects from the kmem
cache.
This also splits the free list handling from the actual allocation
path as that yields better results on RT where allocation is
restricted to preemptible code paths. The refill from free list has
no such restrictions.
- Consolidate the global and the per CPU pools to use the same data
structure, so all helper functions can be shared.
- Simplify the object allocation/free logic.
The allocation/free logic is an incomprehensible maze, which tries to
utilize the to free list and the global pool in the best way. This
all can be simplified into a straight forward comprehensible code
flow.
- Convert the allocation/free mechanism to batch mode.
Transferring objects from the global pool to the per CPU pools or
vice versa is done by walking the hlist and moving object by object.
That not only increases the pool lock held time, it also dirties up
to 17 cache lines.
This can be avoided by storing the pointer to the first object in a
batch of 16 objects in the objects themself and propagate it through
the batch when an object is enqueued into a pool or to a temporary
hlist head on allocation.
This allows to move batches of objects with at max four cache lines
dirtied and reduces the pool lock held time and therefore contention
significantly.
- Improve the object reusage
The current implementation is too agressively freeing unused objects,
which is counterproductive on bursty workloads like a kernel compile.
Address this by:
* increasing the per CPU pool size
* refilling the per CPU pool from the to be freed pool when the
per CPU pool emptied a batch
* keeping track of object usage with a exponentially wheighted
moving average which prevents the work queue callback to free
objects prematuraly.
This combined reduces the allocation/free rate for a full kernel
compile significantly:
kmem_cache_alloc() kmem_cache_free()
Baseline: 380k 330k
Improved: 170k 117k
- A few cleanups and a more cache line friendly layout of debug
information on top.
* tag 'core-debugobjects-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
debugobjects: Track object usage to avoid premature freeing of objects
debugobjects: Refill per CPU pool more agressively
debugobjects: Double the per CPU slots
debugobjects: Move pool statistics into global_pool struct
debugobjects: Implement batch processing
debugobjects: Prepare kmem_cache allocations for batching
debugobjects: Prepare for batching
debugobjects: Use static key for boot pool selection
debugobjects: Rework free_object_work()
debugobjects: Rework object freeing
debugobjects: Rework object allocation
debugobjects: Move min/max count into pool struct
debugobjects: Rename and tidy up per CPU pools
debugobjects: Use separate list head for boot pool
debugobjects: Move pools into a datastructure
debugobjects: Reduce parallel pool fill attempts
debugobjects: Make debug_objects_enabled bool
debugobjects: Provide and use free_object_list()
debugobjects: Remove pointless debug printk
debugobjects: Reuse put_objects() on OOM
...
|
||
|
Linus Torvalds
|
a5c93bfec0 |
x86/mm changes for v6.13:
- x86/mm/tlb: Put cpumask_test_cpu() check in switch_mm_irqs_off()
under CONFIG_DEBUG_VM, to micro-optimize the context-switching
code (Rik van Riel)
- x86/mm/doc: Add missing details in virtual memory layout (Kirill A. Shutemov)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-mm-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Ingo Molnar:
- Put cpumask_test_cpu() check in switch_mm_irqs_off() under
CONFIG_DEBUG_VM, to micro-optimize the context-switching code (Rik
van Riel)
- Add missing details in virtual memory layout (Kirill A. Shutemov)
* tag 'x86-mm-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/tlb: Put cpumask_test_cpu() check in switch_mm_irqs_off() under CONFIG_DEBUG_VM
x86/mm/doc: Add missing details in virtual memory layout
|
||
|
Linus Torvalds
|
89c45f3823 |
x86 cleanups for v6.13:
- x86/boot: Remove unused function atou() (Dr. David Alan Gilbert) - x86/cpu: Use str_yes_no() helper in show_cpuinfo_misc() (Thorsten Blum) - x86/platform: Switch back to struct platform_driver::remove() (Uwe Kleine-König) Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmc7gbsRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gk4g//QiV5NS8d5mc+6q/UbVahST5Mf3Yktg7/ LIgzJyqUMZctkbcASDbyTlFqZXGYfZ/ZY6VPEOuo0ANE57GfSbcuwe+gdvL9kXWQ 9IN5Tst4BJ4iMC+FXYA+VgRAg5Ufy4xJFpw1ObnNtAQ4f2emCTeCMPonCrN8x737 2dbHzgnJSBbDgG6lxcEJZ/PsoKoTLiq6uZZ98FRRrHCWmkPkNOn2IQx97ITdAKcj LnQkTYnTRIzap/eLBrqgxhhtM2R+3DrDClar3WWRSCoFMYg6c8aptidDBQcJhUKZ XIhb2enKBKFVtzahjPVOiqLE2i+JGGiPSyQnCpt7y2yHQUyDXkDWWMPdZKC/6WHf +2sLgEdl+pz2o3mGDMCkkG58bDgEf0+5gGva+M5F6h7GslYM9Gp0doOYZDt6l+FH 3rrmXj2WKwI2kM0SWDwfgdLhhmPEsIm8DMOjOftEfR0pwqyUw5JmPfD1dnudrPX0 wfpRavlUAzzW0IbWaL+S2VhqQnLhLwJ/T/Gb6Gi6LOkTaRuD42hu0tkctlfJ/VTR 7Bk+mV2PHpBek3gWnKEUegYQ9LK9DGIucvYi693MWjXVFN6vSyNEsaefRHbT2rGi QuLnO2Laecg6SGNBjLYJBWjv72H2CohDRuJdFgzzJAEzebLwdCJE79qjqWRhpKAx sEzSy0+6waw= =l+KH -----END PGP SIGNATURE----- Merge tag 'x86-cleanups-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cleanups from Ingo Molnar: - x86/boot: Remove unused function atou() (Dr. David Alan Gilbert) - x86/cpu: Use str_yes_no() helper in show_cpuinfo_misc() (Thorsten Blum) - x86/platform: Switch back to struct platform_driver::remove() (Uwe Kleine-König) * tag 'x86-cleanups-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot: Remove unused function atou() x86/cpu: Use str_yes_no() helper in show_cpuinfo_misc() x86/platform: Switch back to struct platform_driver::remove() |
||
|
Linus Torvalds
|
0892d74213 |
x86/splitlock changes for v6.13:
- Move Split and Bus lock code to a dedicated file (Ravi Bangoria) - Add split/bus lock support for AMD (Ravi Bangoria) Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmc7gMERHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1hEaQ//YRk2Dc3VkiwC+ZE44Bi4ZlztACzjvkL/ sFjOqX4dSWJLMFDPfISGGEN4e20IFA46uYXwoZQOZEz5RY4tPaJYw+o1aBP5YYEN EEv4iRc20FIIYckkyCShP00dKoZlmb6FbxyUysRRwZW0XJuMVLyJnGNmZs0peVvt 5c8+7erl0CPN9RaR66lULT4YenyvUZ7DChfeB3a1LbazC5+IrEumiIysLJUKj6zN 075+FeQ084156sFR+LUSjblxLKzY/OqT/727osST2WlMo/HWLIJImCXodHMHG+LC dRI0NFFU9zn2G6rGcoltLNsU/TSJfaWoGS8pm6c96kItEZly/BFz5MF1IQIbCfDx YFJpil1zJQQeV3FUXldhKGoSio0fv0KWcqC0TLjj/DhqprjdktJGuGIX6ChmkytA TDLZPWZxInZdVnWVMBuaJ6defMRBLART02u9DRIoXYEX6aDLjJ1JFTRe5hU9vVab cq+GR3ZSeDM9gSGjfW6dGG5746KXX+Wwxv4stxSoygSxmrLPH38CrZ5m66edtKzq P+V2/utvhdHZSKawsIpM4Xz5u7fweySkVFQjJyEEeMWyXnfC+alP9OUsVTKS8mFa zKbX7mEgnBDcEE9w6O5itL4nIgB3Kooci5uEWDRTAYUee82Hqk09Ycyb5XQkJ7bs Cl65CoY+XAA= =QpKp -----END PGP SIGNATURE----- Merge tag 'x86-splitlock-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 splitlock updates from Ingo Molnar: - Move Split and Bus lock code to a dedicated file (Ravi Bangoria) - Add split/bus lock support for AMD (Ravi Bangoria) * tag 'x86-splitlock-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/bus_lock: Add support for AMD x86/split_lock: Move Split and Bus lock code to a dedicated file |
||
Thomas Weißschuh
|
62adcae479 |
kunit: qemu_configs: loongarch: Enable shutdown
QEMU for LoongArch does not yet support shutdown/restart through ACPI. Use the pvpanic driver to enable shutdowns. This requires 9.1.0 for shutdown support in pvpanic, but that is the requirement of kunit on LoongArch anyways. Link: https://lore.kernel.org/r/20241111-kunit-loongarch-v2-3-7676eb5f2da3@linutronix.de Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Reviewed-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
|
Thomas Weißschuh
|
0a1111d4cb |
kunit: tool: Allow overriding the shutdown mode from qemu config
Not all platforms support machine reboot. If it a proper reboot is not supported the machine will hang. Allow the QEMU configuration to override the necessary shutdown mode for the specific system under test. Link: https://lore.kernel.org/r/20241111-kunit-loongarch-v2-2-7676eb5f2da3@linutronix.de Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
|
Thomas Weißschuh
|
d282524404 |
kunit: qemu_configs: Add LoongArch config
Add a basic config to run kunit tests on LoongArch. This requires QEMU 9.1.0 or later for the necessary direct kernel boot support. Link: https://lore.kernel.org/r/20241111-kunit-loongarch-v2-1-7676eb5f2da3@linutronix.de Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Reviewed-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
Kuan-Wei Chiu
|
95b6d723a0 |
kunit: debugfs: Use IS_ERR() for alloc_string_stream() error check
The alloc_string_stream() function only returns ERR_PTR(-ENOMEM) on failure and never returns NULL. Therefore, switching the error check in the caller from IS_ERR_OR_NULL to IS_ERR improves clarity, indicating that this function will return an error pointer (not NULL) when an error occurs. This change avoids any ambiguity regarding the function's return behavior. Link: https://lore.kernel.org/lkml/Zy9deU5VK3YR+r9N@visitorckw-System-Product-Name Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
Zichen Xie
|
435c20eed5 |
kunit: Fix potential null dereference in kunit_device_driver_test()
kunit_kzalloc() may return a NULL pointer, dereferencing it without
NULL check may lead to NULL dereference.
Add a NULL check for test_state.
Link: https://lore.kernel.org/r/20241115054335.21673-1-zichenxie0106@gmail.com
Fixes:
|
||
Brendan Higgins
|
aadf9cb1f0 |
MAINTAINERS: Update KUnit email address for Brendan Higgins
Update Brendan's email address for the KUnit entry. Link: https://lore.kernel.org/r/20241115050510.56569-1-brendanhiggins@google.com Signed-off-by: Brendan Higgins <brendanhiggins@google.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
Jinjie Ruan
|
39e21403c9 |
kunit: string-stream: Fix a UAF bug in kunit_init_suite()
In kunit_debugfs_create_suite(), if alloc_string_stream() fails in the
kunit_suite_for_each_test_case() loop, the "suite->log = stream"
has assigned before, and the error path only free the suite->log's stream
memory but not set it to NULL, so the later string_stream_clear() of
suite->log in kunit_init_suite() will cause below UAF bug.
Set stream pointer to NULL after free to fix it.
Unable to handle kernel paging request at virtual address 006440150000030d
Mem abort info:
ESR = 0x0000000096000004
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x04: level 0 translation fault
Data abort info:
ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[006440150000030d] address between user and kernel address ranges
Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
Dumping ftrace buffer:
(ftrace buffer empty)
Modules linked in: iio_test_gts industrialio_gts_helper cfg80211 rfkill ipv6 [last unloaded: iio_test_gts]
CPU: 5 UID: 0 PID: 6253 Comm: modprobe Tainted: G B W N 6.12.0-rc4+ #458
Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
Hardware name: linux,dummy-virt (DT)
pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : string_stream_clear+0x54/0x1ac
lr : string_stream_clear+0x1a8/0x1ac
sp : ffffffc080b47410
x29: ffffffc080b47410 x28: 006440550000030d x27: ffffff80c96b5e98
x26: ffffff80c96b5e80 x25: ffffffe461b3f6c0 x24: 0000000000000003
x23: ffffff80c96b5e88 x22: 1ffffff019cdf4fc x21: dfffffc000000000
x20: ffffff80ce6fa7e0 x19: 032202a80000186d x18: 0000000000001840
x17: 0000000000000000 x16: 0000000000000000 x15: ffffffe45c355cb4
x14: ffffffe45c35589c x13: ffffffe45c03da78 x12: ffffffb810168e75
x11: 1ffffff810168e74 x10: ffffffb810168e74 x9 : dfffffc000000000
x8 : 0000000000000004 x7 : 0000000000000003 x6 : 0000000000000001
x5 : ffffffc080b473a0 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000001 x1 : ffffffe462fbf620 x0 : dfffffc000000000
Call trace:
string_stream_clear+0x54/0x1ac
__kunit_test_suites_init+0x108/0x1d8
kunit_exec_run_tests+0xb8/0x100
kunit_module_notify+0x400/0x55c
notifier_call_chain+0xfc/0x3b4
blocking_notifier_call_chain+0x68/0x9c
do_init_module+0x24c/0x5c8
load_module+0x4acc/0x4e90
init_module_from_file+0xd4/0x128
idempotent_init_module+0x2d4/0x57c
__arm64_sys_finit_module+0xac/0x100
invoke_syscall+0x6c/0x258
el0_svc_common.constprop.0+0x160/0x22c
do_el0_svc+0x44/0x5c
el0_svc+0x48/0xb8
el0t_64_sync_handler+0x13c/0x158
el0t_64_sync+0x190/0x194
Code: f9400753 d2dff800 f2fbffe0 d343fe7c (38e06b80)
---[ end trace 0000000000000000 ]---
Kernel panic - not syncing: Oops: Fatal exception
Link: https://lore.kernel.org/r/20241112080314.407966-1-ruanjinjie@huawei.com
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Linus Torvalds
|
3f020399e4 |
Scheduler changes for v6.13:
- Core facilities:
- Add the "Lazy preemption" model (CONFIG_PREEMPT_LAZY=y), which optimizes
fair-class preemption by delaying preemption requests to the
tick boundary, while working as full preemption for RR/FIFO/DEADLINE
classes. (Peter Zijlstra)
- x86: Enable Lazy preemption (Peter Zijlstra)
- riscv: Enable Lazy preemption (Jisheng Zhang)
- Initialize idle tasks only once (Thomas Gleixner)
- sched/ext: Remove sched_fork() hack (Thomas Gleixner)
- Fair scheduler:
- Optimize the PLACE_LAG when se->vlag is zero (Huang Shijie)
- Idle loop:
Optimize the generic idle loop by removing unnecessary
memory barrier (Zhongqiu Han)
- RSEQ:
- Improve cache locality of RSEQ concurrency IDs for
intermittent workloads (Mathieu Desnoyers)
- Waitqueues:
- Make wake_up_{bit,var} less fragile (Neil Brown)
- PSI:
- Pass enqueue/dequeue flags to psi callbacks directly (Johannes Weiner)
- Preparatory patches for proxy execution:
- core: Add move_queued_task_locked helper (Connor O'Brien)
- core: Consolidate pick_*_task to task_is_pushable helper (Connor O'Brien)
- core: Split out __schedule() deactivate task logic into a helper (John Stultz)
- core: Split scheduler and execution contexts (Peter Zijlstra)
- locking/mutex: Make mutex::wait_lock irq safe (Juri Lelli)
- locking/mutex: Expose __mutex_owner() (Juri Lelli)
- locking/mutex: Remove wakeups from under mutex::wait_lock (Peter Zijlstra)
- Misc fixes and cleanups:
- core: Remove unused __HAVE_THREAD_FUNCTIONS hook support (David Disseldorp)
- core: Update the comment for TIF_NEED_RESCHED_LAZY (Sebastian Andrzej Siewior)
- wait: Remove unused bit_wait_io_timeout (Dr. David Alan Gilbert)
- fair: remove the DOUBLE_TICK feature (Huang Shijie)
- fair: fix the comment for PREEMPT_SHORT (Huang Shijie)
- uclamp: Fix unnused variable warning (Christian Loehle)
- rt: No PREEMPT_RT=y for all{yes,mod}config
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"Core facilities:
- Add the "Lazy preemption" model (CONFIG_PREEMPT_LAZY=y), which
optimizes fair-class preemption by delaying preemption requests to
the tick boundary, while working as full preemption for
RR/FIFO/DEADLINE classes. (Peter Zijlstra)
- x86: Enable Lazy preemption (Peter Zijlstra)
- riscv: Enable Lazy preemption (Jisheng Zhang)
- Initialize idle tasks only once (Thomas Gleixner)
- sched/ext: Remove sched_fork() hack (Thomas Gleixner)
Fair scheduler:
- Optimize the PLACE_LAG when se->vlag is zero (Huang Shijie)
Idle loop:
- Optimize the generic idle loop by removing unnecessary memory
barrier (Zhongqiu Han)
RSEQ:
- Improve cache locality of RSEQ concurrency IDs for intermittent
workloads (Mathieu Desnoyers)
Waitqueues:
- Make wake_up_{bit,var} less fragile (Neil Brown)
PSI:
- Pass enqueue/dequeue flags to psi callbacks directly (Johannes
Weiner)
Preparatory patches for proxy execution:
- Add move_queued_task_locked helper (Connor O'Brien)
- Consolidate pick_*_task to task_is_pushable helper (Connor O'Brien)
- Split out __schedule() deactivate task logic into a helper (John
Stultz)
- Split scheduler and execution contexts (Peter Zijlstra)
- Make mutex::wait_lock irq safe (Juri Lelli)
- Expose __mutex_owner() (Juri Lelli)
- Remove wakeups from under mutex::wait_lock (Peter Zijlstra)
Misc fixes and cleanups:
- Remove unused __HAVE_THREAD_FUNCTIONS hook support (David
Disseldorp)
- Update the comment for TIF_NEED_RESCHED_LAZY (Sebastian Andrzej
Siewior)
- Remove unused bit_wait_io_timeout (Dr. David Alan Gilbert)
- remove the DOUBLE_TICK feature (Huang Shijie)
- fix the comment for PREEMPT_SHORT (Huang Shijie)
- Fix unnused variable warning (Christian Loehle)
- No PREEMPT_RT=y for all{yes,mod}config"
* tag 'sched-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
sched, x86: Update the comment for TIF_NEED_RESCHED_LAZY.
sched: No PREEMPT_RT=y for all{yes,mod}config
riscv: add PREEMPT_LAZY support
sched, x86: Enable Lazy preemption
sched: Enable PREEMPT_DYNAMIC for PREEMPT_RT
sched: Add Lazy preemption model
sched: Add TIF_NEED_RESCHED_LAZY infrastructure
sched/ext: Remove sched_fork() hack
sched: Initialize idle tasks only once
sched: psi: pass enqueue/dequeue flags to psi callbacks directly
sched/uclamp: Fix unnused variable warning
sched: Split scheduler and execution contexts
sched: Split out __schedule() deactivate task logic into a helper
sched: Consolidate pick_*_task to task_is_pushable helper
sched: Add move_queued_task_locked helper
locking/mutex: Expose __mutex_owner()
locking/mutex: Make mutex::wait_lock irq safe
locking/mutex: Remove wakeups from under mutex::wait_lock
sched: Improve cache locality of RSEQ concurrency IDs for intermittent workloads
sched: idle: Optimize the generic idle loop by removing needless memory barrier
...
|
||
Colin Ian King
|
9080d11a6c |
scripts: ipe: polgen: remove redundant close and error exit path
Currently if an fopen fails the error exit path is via code that checks if fp is not null and closes the file, however, fp is null so this check and close is redundant. Since the only use of the err exit label is on the fopen check, remove it and replace the code with a simple return of errno. Also remove variable rc since it's no longer required. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Fan Wu <wufan@kernel.org> |
||
Rae Moar
|
3c67a2c09b |
kunit: tool: print failed tests only
Add flag --failed to kunit.py to print only failed tests. This printing is done after running is over. This patch also adds the method print_test() that will also print your Test object. Before, all printing of tests occurred during parsing. This method could be useful in the future when converting to/from KTAP to this pretty-print output. Link: https://lore.kernel.org/r/20241113222406.1590372-2-rmoar@google.com Signed-off-by: Rae Moar <rmoar@google.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
David Gow
|
062a9dd9ba |
kunit: tool: Only print the summary
Allow only printing the summary at the end of a test run, rather than all individual test results. This summary will list a few failing tests if there are any. To use: ./tools/testing/kunit/kunit.py run --summary Link: https://lore.kernel.org/r/20241113222406.1590372-1-rmoar@google.com Signed-off-by: Rae Moar <rmoar@google.com> Signed-off-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
Dan Carpenter
|
5017ec667b |
kunit: skb: add gfp to kernel doc for kunit_zalloc_skb()
Kuan-Wei Chiu pointed out that the kernel doc for kunit_zalloc_skb() needs to include the @gfp information. Add it. Reported-by: Kuan-Wei Chiu <visitorckw@gmail.com> Closes: https://lore.kernel.org/all/Zy+VIXDPuU613fFd@visitorckw-System-Product-Name/ Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Kuan-Wei Chiu <visitorckw@gmail.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
||
|
Linus Torvalds
|
f41dac3efb |
Performance events changes for v6.13:
- Uprobes:
- Add BPF session support (Jiri Olsa)
- Switch to RCU Tasks Trace flavor for better performance (Andrii Nakryiko)
- Massively increase uretprobe SMP scalability by SRCU-protecting
the uretprobe lifetime (Andrii Nakryiko)
- Kill xol_area->slot_count (Oleg Nesterov)
- Core facilities:
- Implement targeted high-frequency profiling by adding the ability
for an event to "pause" or "resume" AUX area tracing (Adrian Hunter)
- VM profiling/sampling:
- Correct perf sampling with guest VMs (Colton Lewis)
- New hardware support:
- x86/intel: Add PMU support for Intel ArrowLake-H CPUs (Dapeng Mi)
- Misc fixes and enhancements:
- x86/intel/pt: Fix buffer full but size is 0 case (Adrian Hunter)
- x86/amd: Warn only on new bits set (Breno Leitao)
- x86/amd/uncore: Avoid a false positive warning about snprintf
truncation in amd_uncore_umc_ctx_init (Jean Delvare)
- uprobes: Re-order struct uprobe_task to save some space (Christophe JAILLET)
- x86/rapl: Move the pmu allocation out of CPU hotplug (Kan Liang)
- x86/rapl: Clean up cpumask and hotplug (Kan Liang)
- uprobes: Deuglify xol_get_insn_slot/xol_free_insn_slot paths (Oleg Nesterov)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull performance events updates from Ingo Molnar:
"Uprobes:
- Add BPF session support (Jiri Olsa)
- Switch to RCU Tasks Trace flavor for better performance (Andrii
Nakryiko)
- Massively increase uretprobe SMP scalability by SRCU-protecting
the uretprobe lifetime (Andrii Nakryiko)
- Kill xol_area->slot_count (Oleg Nesterov)
Core facilities:
- Implement targeted high-frequency profiling by adding the ability
for an event to "pause" or "resume" AUX area tracing (Adrian
Hunter)
VM profiling/sampling:
- Correct perf sampling with guest VMs (Colton Lewis)
New hardware support:
- x86/intel: Add PMU support for Intel ArrowLake-H CPUs (Dapeng Mi)
Misc fixes and enhancements:
- x86/intel/pt: Fix buffer full but size is 0 case (Adrian Hunter)
- x86/amd: Warn only on new bits set (Breno Leitao)
- x86/amd/uncore: Avoid a false positive warning about snprintf
truncation in amd_uncore_umc_ctx_init (Jean Delvare)
- uprobes: Re-order struct uprobe_task to save some space
(Christophe JAILLET)
- x86/rapl: Move the pmu allocation out of CPU hotplug (Kan Liang)
- x86/rapl: Clean up cpumask and hotplug (Kan Liang)
- uprobes: Deuglify xol_get_insn_slot/xol_free_insn_slot paths (Oleg
Nesterov)"
* tag 'perf-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
perf/core: Correct perf sampling with guest VMs
perf/x86: Refactor misc flag assignments
perf/powerpc: Use perf_arch_instruction_pointer()
perf/core: Hoist perf_instruction_pointer() and perf_misc_flags()
perf/arm: Drop unused functions
uprobes: Re-order struct uprobe_task to save some space
perf/x86/amd/uncore: Avoid a false positive warning about snprintf truncation in amd_uncore_umc_ctx_init
perf/x86/intel: Do not enable large PEBS for events with aux actions or aux sampling
perf/x86/intel/pt: Add support for pause / resume
perf/core: Add aux_pause, aux_resume, aux_start_paused
perf/x86/intel/pt: Fix buffer full but size is 0 case
uprobes: SRCU-protect uretprobe lifetime (with timeout)
uprobes: allow put_uprobe() from non-sleepable softirq context
perf/x86/rapl: Clean up cpumask and hotplug
perf/x86/rapl: Move the pmu allocation out of CPU hotplug
uprobe: Add support for session consumer
uprobe: Add data pointer to consumer handlers
perf/x86/amd: Warn only on new bits set
uprobes: fold xol_take_insn_slot() into xol_get_insn_slot()
uprobes: kill xol_area->slot_count
...
|
||
|
Linus Torvalds
|
9d7d4ad222 |
Objtool changes for v6.13:
- Detect non-relocated text references for more robust
IBT sealing (Josh Poimboeuf)
- Fix build error when building stripped down
UAPI headers (HONG Yifan)
- Exclude __tracepoints data from ENDBR checks to fix
false positives on clang builds (Peter Zijlstra)
- Fix ORC unwind for newly forked tasks (Zheng Yejian)
- Fix readelf related faddr2line regression (Carlos Llamas)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
- Detect non-relocated text references for more robust
IBT sealing (Josh Poimboeuf)
- Fix build error when building stripped down
UAPI headers (HONG Yifan)
- Exclude __tracepoints data from ENDBR checks to fix
false positives on clang builds (Peter Zijlstra)
- Fix ORC unwind for newly forked tasks (Zheng Yejian)
- Fix readelf related faddr2line regression (Carlos Llamas)
* tag 'objtool-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Exclude __tracepoints data from ENDBR checks
Revert "scripts/faddr2line: Check only two symbols when calculating symbol size"
x86/unwind/orc: Fix unwind for newly forked tasks
objtool: Also include tools/include/uapi
objtool: Detect non-relocated text references
|
||
Rafael J. Wysocki
|
9cf9f2e70b |
cpuidle: Change :enter_dead() driver callback return type to void
After a previous change, cpuidle_play_dead(), which is the only caller of idle state :enter_dead() callbacks, ignores their return values, so they may as well be void. Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://patch.msgid.link/2285569.iZASKD2KPV@rjwysocki.net |
||
|
Rafael J. Wysocki
|
f65ee094ed |
cpuidle: Do not return from cpuidle_play_dead() on callback failures
If the :enter_dead() idle state callback fails for a certain state, there may be still a shallower state for which it will work. Because the only caller of cpuidle_play_dead(), native_play_dead(), falls back to hlt_play_dead() if it returns an error, it should better try all of the idle states for which :enter_dead() is present before failing, so change it accordingly. Also notice that the :enter_dead() state callback is not expected to return on success (the CPU should be "dead" then), so make cpuidle_play_dead() ignore its return value. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Tested-by: Mario Limonciello <mario.limonciello@amd.com> # 6.12-rc7 Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com> Link: https://patch.msgid.link/3318440.aeNJFYEL58@rjwysocki.net |
||
|
Linus Torvalds
|
364eeb79a2 |
Locking changes for v6.13 are:
- lockdep:
- Enable PROVE_RAW_LOCK_NESTING with PROVE_LOCKING (Sebastian Andrzej Siewior)
- Add lockdep_cleanup_dead_cpu() (David Woodhouse)
- futexes:
- Use atomic64_inc_return() in get_inode_sequence_number() (Uros Bizjak)
- Use atomic64_try_cmpxchg_relaxed() in get_inode_sequence_number() (Uros Bizjak)
- RT locking:
- Add sparse annotation PREEMPT_RT's locking (Sebastian Andrzej Siewior)
- spinlocks:
- Use atomic_try_cmpxchg_release() in osq_unlock() (Uros Bizjak)
- atomics:
- x86: Use ALT_OUTPUT_SP() for __alternative_atomic64() (Uros Bizjak)
- x86: Use ALT_OUTPUT_SP() for __arch_{,try_}cmpxchg64_emu() (Uros Bizjak)
- KCSAN, seqlocks:
- Support seqcount_latch_t (Marco Elver)
- <linux/cleanup.h>:
- Add if_not_cond_guard() conditional guard helper (David Lechner)
- Adjust scoped_guard() macros to avoid potential warning (Przemek Kitszel)
- Remove address space of returned pointer (Uros Bizjak)
- WW mutexes:
- locking/ww_mutex: Adjust to lockdep nest_lock requirements (Thomas Hellström)
- Rust integration:
- Fix raw_spin_lock initialization on PREEMPT_RT (Eder Zulian)
- miscellaneous cleanups & fixes:
- lockdep: Fix wait-type check related warnings (Ahmed Ehab)
- lockdep: Use info level for initial info messages (Jiri Slaby)
- spinlocks: Make __raw_* lock ops static (Geert Uytterhoeven)
- pvqspinlock: Convert fields of 'enum vcpu_state' to uppercase (Qiuxu Zhuo)
- iio: magnetometer: Fix if () scoped_guard() formatting (Stephen Rothwell)
- rtmutex: Fix misleading comment (Peter Zijlstra)
- percpu-rw-semaphores: Fix grammar in percpu-rw-semaphore.rst (Xiu Jianfeng)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"Lockdep:
- Enable PROVE_RAW_LOCK_NESTING with PROVE_LOCKING (Sebastian Andrzej
Siewior)
- Add lockdep_cleanup_dead_cpu() (David Woodhouse)
futexes:
- Use atomic64_inc_return() in get_inode_sequence_number() (Uros
Bizjak)
- Use atomic64_try_cmpxchg_relaxed() in get_inode_sequence_number()
(Uros Bizjak)
RT locking:
- Add sparse annotation PREEMPT_RT's locking (Sebastian Andrzej
Siewior)
spinlocks:
- Use atomic_try_cmpxchg_release() in osq_unlock() (Uros Bizjak)
atomics:
- x86: Use ALT_OUTPUT_SP() for __alternative_atomic64() (Uros Bizjak)
- x86: Use ALT_OUTPUT_SP() for __arch_{,try_}cmpxchg64_emu() (Uros
Bizjak)
KCSAN, seqlocks:
- Support seqcount_latch_t (Marco Elver)
<linux/cleanup.h>:
- Add if_not_guard() conditional guard helper (David Lechner)
- Adjust scoped_guard() macros to avoid potential warning (Przemek
Kitszel)
- Remove address space of returned pointer (Uros Bizjak)
WW mutexes:
- locking/ww_mutex: Adjust to lockdep nest_lock requirements (Thomas
Hellström)
Rust integration:
- Fix raw_spin_lock initialization on PREEMPT_RT (Eder Zulian)
Misc cleanups & fixes:
- lockdep: Fix wait-type check related warnings (Ahmed Ehab)
- lockdep: Use info level for initial info messages (Jiri Slaby)
- spinlocks: Make __raw_* lock ops static (Geert Uytterhoeven)
- pvqspinlock: Convert fields of 'enum vcpu_state' to uppercase
(Qiuxu Zhuo)
- iio: magnetometer: Fix if () scoped_guard() formatting (Stephen
Rothwell)
- rtmutex: Fix misleading comment (Peter Zijlstra)
- percpu-rw-semaphores: Fix grammar in percpu-rw-semaphore.rst (Xiu
Jianfeng)"
* tag 'locking-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (29 commits)
locking/Documentation: Fix grammar in percpu-rw-semaphore.rst
iio: magnetometer: fix if () scoped_guard() formatting
rust: helpers: Avoid raw_spin_lock initialization for PREEMPT_RT
kcsan, seqlock: Fix incorrect assumption in read_seqbegin()
seqlock, treewide: Switch to non-raw seqcount_latch interface
kcsan, seqlock: Support seqcount_latch_t
time/sched_clock: Broaden sched_clock()'s instrumentation coverage
time/sched_clock: Swap update_clock_read_data() latch writes
locking/atomic/x86: Use ALT_OUTPUT_SP() for __arch_{,try_}cmpxchg64_emu()
locking/atomic/x86: Use ALT_OUTPUT_SP() for __alternative_atomic64()
cleanup: Add conditional guard helper
cleanup: Adjust scoped_guard() macros to avoid potential warning
locking/osq_lock: Use atomic_try_cmpxchg_release() in osq_unlock()
cleanup: Remove address space of returned pointer
locking/rtmutex: Fix misleading comment
locking/rt: Annotate unlock followed by lock for sparse.
locking/rt: Add sparse annotation for RCU.
locking/rt: Remove one __cond_lock() in RT's spin_trylock_irqsave()
locking/rt: Add sparse annotation PREEMPT_RT's sleeping locks.
locking/pvqspinlock: Convert fields of 'enum vcpu_state' to uppercase
...
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||
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Rafael J. Wysocki
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fef664fd73 |
- Add the SAR2130P compatible in the DT bindings for the QCom Tsens
driver (Dmitry Baryshkov) - Add the static annotation to the arrays describing the platform sensors on the LVTS Mediatek driver (Colin Ian King) - Switch back to the struct platform_driver::remove() from the previous callbacks prototype rework (Uwe Kleine-König) - Add the MSM8937 compatible in the DT bindings and its support in the QCom Tsens driver (Barnabás Czémán) - Remove a pointless sign test on an unsigned value in k3_bgp_read_temp() function on the k3_j72xx_bandgap driver (Rex Nie) - Fix a pointer reference lost when the call to realloc() fails in the thermal library (Zhang Jiao) -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEGn3N4YVz0WNVyHskqDIjiipP6E8FAmc7H/kACgkQqDIjiipP 6E/9sAf9HrD7EP00USQgcAszQ0mXvPEAZZIuolh9W43erYq75hzsmc7HUko1PLM6 +0j19aaf7TZl51G5GYayPL/hj6b5Ic3+nqx+cyDGpSyb9jNVmou5Awo01ny/RDWw DK0q9HLXKfLD7RcxrDTneRkqhyz5ffeB9sgzTa+qK1NHhXFGDnLTWHdQv+/Hw1Py 8FFGZbwCadFb7C6n38YH0NJrs1W4S7CQsADMGraTEq0JsX6l0vuEW/0iM0FZjtRN 6tJcId2DcEmvzYu2tz4pjeKqD+ClKwplo4UjcNyMsnXWVqB5DnFzUjrvlAc1UIof O9WqNV0xwZBSiM1uwm5T9r7hIzYaMQ== =KBXG -----END PGP SIGNATURE----- Merge tag 'thermal-v6.13-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux Merge updates of thermal drivers for 6.13-rc1 from Daniel Lezcano: "- Add the SAR2130P compatible in the DT bindings for the QCom Tsens driver (Dmitry Baryshkov) - Add the static annotation to the arrays describing the platform sensors on the LVTS Mediatek driver (Colin Ian King) - Switch back to the struct platform_driver::remove() from the previous callbacks prototype rework (Uwe Kleine-König) - Add the MSM8937 compatible in the DT bindings and its support in the QCom Tsens driver (Barnabás Czémán) - Remove a pointless sign test on an unsigned value in k3_bgp_read_temp() function on the k3_j72xx_bandgap driver (Rex Nie) - Fix a pointer reference lost when the call to realloc() fails in the thermal library (Zhang Jiao)" * tag 'thermal-v6.13-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux: tools/thermal: Fix common realloc mistake thermal/drivers/k3_j72xx_bandgap: Simplify code in k3_bgp_read_temp() thermal/drivers/qcom/tsens-v1: Add support for MSM8937 tsens dt-bindings: thermal: tsens: Add MSM8937 thermal: Switch back to struct platform_driver::remove() thermal/drivers/mediatek/lvts_thermal: Make read-only arrays static const dt-bindings: thermal: qcom-tsens: Add SAR2130P compatible |
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Rafael J. Wysocki
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baf4ae8038 |
ARM cpufreq updates for 6.13
- Add virtual cpufreq driver for guest kernels (David Dai). - Minor cleanup to various cpufreq drivers (Andy Shevchenko, Dhruva Gole, Jie Zhan, Jinjie Ruan, Shuosheng Huang, Sibi Sankar, and Yuan Can). - Revert "cpufreq: brcmstb-avs-cpufreq: Fix initial command check" (Colin Ian King). - Improve DT bindings for qcom-hw driver (Dmitry Baryshkov, Konrad Dybcio, and Nikunj Kela). -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEx73Crsp7f6M6scA70rkcPK6BEhwFAmc6wgAACgkQ0rkcPK6B Ehz2HA/9FvaDMmi4q1yt2CvkypN4XiaerUZBE+wBMgLDiGIOzx3X1YpiZwfH7LRR V+E7+63ZYH0bxfErG3M75x8YKvARB5WaiP+f+YYIFGnBiNdbG8WdooAy+gViE+AX Wiq4FNV2IqaQXceq1TCFMiwN8tn1gZO/axsWDiEUB+bTn11noJBkNa4I6TaGDH4X IwTVss5VBcP4fORmkTSnA/Epw6mtFIQfHPO3m5SbgBiB6NVK3+//ZAnHCYB23H34 X5f0BcTw0IxkHbSuASg8ZMgqHfnmduV8g8dAhhIMkh2Zci145nmcSdcBZk1G32NC ffYznTTwEVRGMQ9ku6j9FXrqUw0Bb8GEOKSNMoO0Tc+e0UmAP/xKYICH3lbLEfXo 3DWBDNu7wNjTpZ5OJwkFsRspCVZVBDi/bnBH+XN2ELzLIPiSMN2R+I480G5uNfMt iLy9Vzqpw7H6Z2OZiN9scUDZ/pgIC7T3ZjJLwy6XsBeWjM3/AwNPx1LYM5UNFl2P MEQs0EOXl1jxMEFG4jmr8iDT5dhgX0LM5zVq0kK/dQCtLtz9BqcVr3NV3bU4pLrx fldHqaxZXnCFqtXR3RHSodGdj1B3H+KhgeXki7qxtXAAzdydNFDZxA0Kxm7DHG0i onwB+b+J4TrEIwdAODZsjh4XYjKl/fLaIinHCkabQhOXUlQsgcg= =72Nq -----END PGP SIGNATURE----- Merge tag 'cpufreq-arm-updates-6.13' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/vireshk/pm Merge ARM cpufreq updates for 6.13 from Viresh Kumar: "- Add virtual cpufreq driver for guest kernels (David Dai). - Minor cleanup to various cpufreq drivers (Andy Shevchenko, Dhruva Gole, Jie Zhan, Jinjie Ruan, Shuosheng Huang, Sibi Sankar, and Yuan Can). - Revert "cpufreq: brcmstb-avs-cpufreq: Fix initial command check" (Colin Ian King). - Improve DT bindings for qcom-hw driver (Dmitry Baryshkov, Konrad Dybcio, and Nikunj Kela)." * tag 'cpufreq-arm-updates-6.13' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: arm64: dts: qcom: sc8180x: Add a SoC-specific compatible to cpufreq-hw dt-bindings: cpufreq: cpufreq-qcom-hw: Add SC8180X compatible cpufreq: sun50i: add a100 cpufreq support cpufreq: mediatek-hw: Fix wrong return value in mtk_cpufreq_get_cpu_power() cpufreq: CPPC: Fix wrong return value in cppc_get_cpu_power() cpufreq: CPPC: Fix wrong return value in cppc_get_cpu_cost() cpufreq: loongson3: Check for error code from devm_mutex_init() call cpufreq: scmi: Fix cleanup path when boost enablement fails cpufreq: CPPC: Fix possible null-ptr-deref for cppc_get_cpu_cost() cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw() Revert "cpufreq: brcmstb-avs-cpufreq: Fix initial command check" dt-bindings: cpufreq: cpufreq-qcom-hw: Add SAR2130P compatible cpufreq: add virtual-cpufreq driver dt-bindings: cpufreq: add virtual cpufreq device cpufreq: loongson2: Unregister platform_driver on failure cpufreq: ti-cpufreq: Remove revision offsets in AM62 family cpufreq: ti-cpufreq: Allow backward compatibility for efuse syscon cppc_cpufreq: Remove HiSilicon CPPC workaround cppc_cpufreq: Use desired perf if feedback ctrs are 0 or unchanged dt-bindings: cpufreq: qcom-hw: document support for SA8255p |
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Linus Torvalds
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d8d78a90e7 |
- Add a feature flag which denotes AMD CPUs supporting workload classification
with the purpose of using such hints when making scheduling decisions - Determine the boost enumerator for each AMD core based on its type: efficiency or performance, in the cppc driver - Add the type of a CPU to the topology CPU descriptor with the goal of supporting and making decisions based on the type of the respective core - Add a feature flag to denote AMD cores which have heterogeneous topology and enable SD_ASYM_PACKING for those - Check microcode revisions before disabling PCID on Intel - Cleanups and fixlets -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmc7q0UACgkQEsHwGGHe VUq27Q//TADIn/rZj95OuWLYFXduOpzdyfF6BAOabRjUpIWTGJ5YdKjj1TCA2wUE 6SiHZWQxQropB3NgeICcDT+3OGdGzE2qywzpXspUDsBPraWx+9CA56qREYafpRps 88ZQZJWHla2/0kHN5oM4fYe05mWMLAFgIhG4tPH/7sj54Zqar40nhVksz3WjKAid yEfzbdVeRI5sNoujyHzGANXI0Fo98nAyi5Qj9kXL9W/UV1JmoQ78Rq7V9IIgOBsc l6Gv/h0CNtH9voqfrfUb07VHk8ZqSJ37xUnrnKdidncWGCWEAoZRr7wU+I9CHKIs tzdx+zq6JC3YN0IwsZCjk4me+BqVLJxW2oDgW7esPifye6ElyEo4T9UO9LEpE1qm ReAByoIMdSXWwXuITwy4NxLPKPCpU7RyJCiqFzpJp0g4qUq2cmlyERDirf6eknXL s+dmRaglEdcQT/EL+Y+vfFdQtLdwJmOu+nPPjjFxeRcIDB+u1sXJMEFbyvkLL6FE HOdNxL+5n/3M8Lbh77KIS5uCcjXL2VCkZK2/hyoifUb+JZR/ENoqYjElkMXOplyV KQIfcTzVCLRVvZApf/MMkTO86cpxMDs7YLYkgFxDsBjRdoq/Mzub8yzWn6kLZtmP ANNH4uYVtjrHE1nxJSA0JgYQlJKYeNU5yhLiTLKhHL5BwDYfiz8= =420r -----END PGP SIGNATURE----- Merge tag 'x86_cpu_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cpuid updates from Borislav Petkov: - Add a feature flag which denotes AMD CPUs supporting workload classification with the purpose of using such hints when making scheduling decisions - Determine the boost enumerator for each AMD core based on its type: efficiency or performance, in the cppc driver - Add the type of a CPU to the topology CPU descriptor with the goal of supporting and making decisions based on the type of the respective core - Add a feature flag to denote AMD cores which have heterogeneous topology and enable SD_ASYM_PACKING for those - Check microcode revisions before disabling PCID on Intel - Cleanups and fixlets * tag 'x86_cpu_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpu: Remove redundant CONFIG_NUMA guard around numa_add_cpu() x86/cpu: Fix FAM5_QUARK_X1000 to use X86_MATCH_VFM() x86/cpu: Fix formatting of cpuid_bits[] in scattered.c x86/cpufeatures: Add X86_FEATURE_AMD_WORKLOAD_CLASS feature bit x86/amd: Use heterogeneous core topology for identifying boost numerator x86/cpu: Add CPU type to struct cpuinfo_topology x86/cpu: Enable SD_ASYM_PACKING for PKG domain on AMD x86/cpufeatures: Add X86_FEATURE_AMD_HETEROGENEOUS_CORES x86/cpufeatures: Rename X86_FEATURE_FAST_CPPC to have AMD prefix x86/mm: Don't disable PCID when INVLPG has been fixed by microcode |
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Linus Torvalds
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55db8eb456 |
- Do the proper memory conversion of guest memory in order to be able to kexec
kernels in SNP guests along with other adjustments and cleanups to that effect - Start converting and moving functionality from the sev-guest driver into core code with the purpose of supporting the secure TSC SNP feature where the hypervisor cannot influence the TSC exposed to the guest anymore - Add a "nosnp" cmdline option in order to be able to disable SNP support in the hypervisor and thus free-up resources which are not going to be used - Cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmc7ZToACgkQEsHwGGHe VUp61hAArA8taJaGUSdoe3sN60yRWCTe30QiDLvUrDGqmPHbBnDpdYsoaZujkQMI 334piSWWu/pB6meO93uwv8X/ZO0ryOw46RK3szTz/RhBB5pTO3NbAj1zMF5q2KUy a+SYbZffV+qBUEpGujGrqrwT7X3U70yCKJFaZQOGvyYFzo+kyx6euqlYP+StOD+D ph7SDrXv0N0uU/2OiwCzF0cKvAuNHG2Cfn3kqSKvcZ+NWF3BKmw1IkgFA9f05P+j mOkc+1jCbi26b94MSJHSL33iRtbD0NgUzT9F2tw9Qszw1BQ5Er30Y45ywoudAhsn VrpMhBwWRCUdakQ2PsI7O8WB4gnBdWpEuzS2Ssqa1akB+pggH2xQzVb5EznmbzlS gz/SqUP75ijTT/oGh+C/hKAES3pmO4pH48J7llOKzb8YpoxxzjSEVb2pVbLzNdIV +it12Cap0lW+CTNGF4p2TbuKXKkE1LiGya1JMymQiZL8quCBYJIQUttiBvBg8Ac1 oCw2DXQZsjDw55Hwwhr95J4FuY4+iQd+o1GgRDQ4MEqaYFEfdcFRA1YCbMHgiAzu NOGwjrQ2PB5xGST34qobGtk7Xt2nIilDvl5K5Co2E4s14NLrlBHo2uq33d0unlIZ BJMrHG/IWNjuHbKl/vM05fuiKEIvpL5qTKz7oVL6tX8Zphf6ljU= =C431 -----END PGP SIGNATURE----- Merge tag 'x86_sev_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 SEV updates from Borislav Petkov: - Do the proper memory conversion of guest memory in order to be able to kexec kernels in SNP guests along with other adjustments and cleanups to that effect - Start converting and moving functionality from the sev-guest driver into core code with the purpose of supporting the secure TSC SNP feature where the hypervisor cannot influence the TSC exposed to the guest anymore - Add a "nosnp" cmdline option in order to be able to disable SNP support in the hypervisor and thus free-up resources which are not going to be used - Cleanups [ Reminding myself about the endless TLA's again: SEV is the AMD Secure Encrypted Virtualization - Linus ] * tag 'x86_sev_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/sev: Cleanup vc_handle_msr() x86/sev: Convert shared memory back to private on kexec x86/mm: Refactor __set_clr_pte_enc() x86/boot: Skip video memory access in the decompressor for SEV-ES/SNP virt: sev-guest: Carve out SNP message context structure virt: sev-guest: Reduce the scope of SNP command mutex virt: sev-guest: Consolidate SNP guest messaging parameters to a struct x86/sev: Cache the secrets page address x86/sev: Handle failures from snp_init() virt: sev-guest: Use AES GCM crypto library x86/virt: Provide "nosnp" boot option for sev kernel command line x86/virt: Move SEV-specific parsing into arch/x86/virt/svm |
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Linus Torvalds
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9db8b24070 |
- Replace deprecated PCI functions used in intel-mid
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmc7W2sACgkQEsHwGGHe VUoMPxAAqwuB04TbhSdXA+ScEv5Y8J2MTtrFHkGTjvutiQsaWpRFdlLL79+TbfAt hnOsX9FoeFuuJBBovB48A2PPLdfocnz8y5vH8JXHDzH/aMi64wbWmNlrR86rlYX9 L5Wz7NB40aKncF5EY5kTu0pQiFllrDsdbys89IMNJNZFjCi/M2/ffU9nIHlAITmW 3aHdiIW0VPZ5Ip05/f2tNdCLjuRpbC9FhZK4bFZ8+9q0FMZY5OBEScZvzbbgLWTI vdftZILzF9vzzBvy3mL0FSklED/EPzpN5DiKuJQaw0WLQokMy4JXj9395roeULWs 82zzg4q1wTfNJVEAxmTcR2I62Z8KK3DNlfAFeIrgFyoTuAAUCIikhf3krHEboc/B wTC8naSef7ZZWmaUDPk/Mfdo45OuuFQXrFkEucYr1S8GS/htfERMs4cwBq5EDrtu YgHCdlNYe8gUScsjs2hogIiE55JxDyQvMZIHGpqwwBovWF17G5jJGyiOhpWuB1Lq kjNo3EEW4wCr+Rb8CSVH8pa4783sxV94LAoUaY03L8HD2PevwFn9L1FffVulX+zF DmAjubqXPRInr/6HvO7P/IAQqwESBtLYz7ZF4yp+VRkDz47Iew7r2DN0TPhd2GdV +vjfJ8hONrTywvmLwpQ5jp6r+ls4FF9ua6qcBzGpQoKXnvf41b8= =ok9C -----END PGP SIGNATURE----- Merge tag 'x86_platform_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 platform cleanup from Borislav Petkov: - Replace deprecated PCI functions used in intel-mid * tag 'x86_platform_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/platform/intel-mid: Replace deprecated PCI functions |
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Linus Torvalds
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ab713e7099 |
- Remove the unconditional cache writeback and invalidation after loading the
microcode patch on Intel as this was addressing a microcode bug for which there is a concrete microcode revision check instead -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmc7Vv4ACgkQEsHwGGHe VUpZtA//erQJlwD+GLWfVoao76Y24LPUVAd20CjvtExDqvOsmvA7lYID89tFXxx0 dD3NDQBW8MI0oZ+Upc9fdRLMWE7SEOQDqk4WlMDMckc1+lv54+lqVA5wv6ee7goY ksUoMQ30MAMZ8ka4vGyjLFsLiYFhVgNCivuJdyi2igABHCGQFSRyl8zog6gWtUTU 3YzTjYjNBY1nZAL99Ibda6VpnmWLOyP24X8hqMp8DD/qqHwhKZfnnqTdoIAkalOq OBK/7vQVaWj5YyUwH/VoJ2iorTv0/XtrNsBRkrxmQaS996/WR8yN4mHbuvThiATc i7b9IEVuoc6KhEuy4sPqt4Yl3QomEed+85/p1NJ5jD6cF4x2+GSnpJF6v/bNRR7T j46jStvJ7f15OcugExRGFI9DjC64ZbHumSrumhLWmKmAqjfAqlYChWUOicHi8l3+ fshTnTRBSUmglGqbkgEVPIRv9e4BkuMpnFCDqAiq8mUm0dzqOZyvvh/gfHTUA+h0 2HykwBitgHEC/e4EHiPpT/Bnm93uL/qBNOhgOWCmOfLGJgdcAE93qP48urj1cbES D5wbNqM5iUvA8jw4frWl222nf7r0FuHVD05pkhJ3m2uvJINWCC3EHFD2Bs3vTEr9 xSGN+nOuWFR2D65RvsMr0eO9x1OTYo679TSyfeTHChnNMWRBcXQ= =wDsa -----END PGP SIGNATURE----- Merge tag 'x86_microcode_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 microcode loader update from Borislav Petkov: - Remove the unconditional cache writeback and invalidation after loading the microcode patch on Intel as this was addressing a microcode bug for which there is a concrete microcode revision check instead * tag 'x86_microcode_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/microcode/intel: Remove unnecessary cache writeback and invalidation |
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Linus Torvalds
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5a4b3fbb48 |
- Add support for 6-node sub-NUMA clustering on Intel
- Cleanup -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmc7UqEACgkQEsHwGGHe VUoheQ//RYJFLA8K4JLykSSlzY6ixf4wr6aorO7cn0xPLi73ZKRWHMLpL7jWO1z4 SgKgWM0w93DjbNK81EcQLmTBQPSSzHnMzACafVJBkfQQiAjdsHxaOcJ6Y7tbFkXB BVf8wFmiNamz00OxtXMUv3ZwvKn9xrar1R67yYOdrZVCV1w4A3IzfNPPpmc3FE5r n+Z8tZybBzQqyyMnlyirKjHx1/bGURN/fF8+UuRy9T8L7XcI5Y8QUCP9N0K1OiUg 8XBDoy4Wc0F47XdnKqLxY/eR2D+qqH+KgIyjVThGJ5tJHRRpN5maK2s4s5eeT3Js /o8GAInChsXnyr9CAs4rUk4/f4Ai5QlccFGv+LPHBfUxcRfw+tXDe6sBQdIhUFpR q87CGnkbfp2yLrADxIjne59l5RqI8S1gGXGTtBJSVzu993Xu/w1Vpfkb52rLBVGZ JqQsGzHtbZyEA3mSnbWY1kHOSkwqccQejGjD5ufygdhojO1H0stvOsOxY0doFeII DQWlKDY78J1yN0r3RXdwzmD6W5SJ1r+03jbSRUb/3CaQpdKUiAk+8vV6mw4EfHEo gnCqU21jGZTqhCRquqehpzD8SK56gndbA6TEC6avx+8eTizA4uNKQWe07lKMM4oe glHCZvAf1k+hGvGz/8xioCQSpHgfZvVlZoR4Kv1enOj+05uiohc= =7r2j -----END PGP SIGNATURE----- Merge tag 'x86_cache_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cache resource control updates from Borislav Petkov: - Add support for 6-node sub-NUMA clustering on Intel - Cleanup * tag 'x86_cache_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/resctrl: Support Sub-NUMA cluster mode SNC6 x86/resctrl: Slightly clean-up mbm_config_show() |
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Linus Torvalds
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c1f2ffe207 |
- Log and handle twp new AMD-specific MCA registers: SYND1 and SYND2 and
report the Field Replaceable Unit text info reported through them
- Add support for handling variable-sized SMCA BERT records
- Add the capability for reporting vendor-specific RAS error info without
adding vendor-specific fields to struct mce
- Cleanups
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Merge tag 'ras_core_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS updates from Borislav Petkov:
- Log and handle twp new AMD-specific MCA registers: SYND1 and SYND2
and report the Field Replaceable Unit text info reported through them
- Add support for handling variable-sized SMCA BERT records
- Add the capability for reporting vendor-specific RAS error info
without adding vendor-specific fields to struct mce
- Cleanups
* tag 'ras_core_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
EDAC/mce_amd: Add support for FRU text in MCA
x86/mce/apei: Handle variable SMCA BERT record size
x86/MCE/AMD: Add support for new MCA_SYND{1,2} registers
tracing: Add __print_dynamic_array() helper
x86/mce: Add wrapper for struct mce to export vendor specific info
x86/mce/intel: Use MCG_BANKCNT_MASK instead of 0xff
x86/mce/mcelog: Use xchg() to get and clear the flags
|
||
|
Linus Torvalds
|
77286b868f |
- Add support for Bluefield-2 SOCs to bluefield_edac
- Add support for Intel Panther Lake-H to igen6_edac
- Add polling support to igen6_edac as some Intel M100 chips have trouble with
error interrupts
- Add Kaby Lake-S support to ie31200_edac
- Fix memory source detection in the SKX common module which is used by
a couple of Intel EDAC drivers
- Add support for the NXP i.MX9 memory controller to fsl_edac
- The usual fixes and cleanups all over the place
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Merge tag 'edac_updates_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Add support for Bluefield-2 SOCs to bluefield_edac
- Add support for Intel Panther Lake-H to igen6_edac
- Add polling support to igen6_edac as some Intel M100 chips have
trouble with error interrupts
- Add Kaby Lake-S support to ie31200_edac
- Fix memory source detection in the SKX common module which is used by
a couple of Intel EDAC drivers
- Add support for the NXP i.MX9 memory controller to fsl_edac
- The usual fixes and cleanups all over the place
* tag 'edac_updates_for_v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/igen6: Add polling support
EDAC/igen6: Initialize edac_op_state according to the configuration data
EDAC/igen6: Avoid segmentation fault on module unload
EDAC/ie31200: Add Kaby Lake-S dual-core host bridge ID
MAINTAINERS: Change FSL DDR EDAC maintainership
EDAC/{skx_common,i10nm}: Fix incorrect far-memory error source indicator
EDAC/skx_common: Differentiate memory error sources
EDAC/fsl_ddr: Add support for i.MX9 DDR controller
dt-bindings: memory: fsl: Add compatible string nxp,imx9-memory-controller
EDAC/fsl_ddr: Fix bad bit shift operations
EDAC/fsl_ddr: Move global variables into struct fsl_mc_pdata
EDAC/fsl_ddr: Pass down fsl_mc_pdata in ddr_in32() and ddr_out32()
RAS/AMD/ATL: Add debug prints for DF register reads
EDAC/bluefield: Use Arm SMC for EMI access on BlueField-2
EDAC/bluefield: Fix potential integer overflow
EDAC/igen6: Add Intel Panther Lake-H SoCs support
|
||
|
Linus Torvalds
|
769ca7d4d2 |
Kernel Concurrency Sanitizer (KCSAN) updates for v6.13
- Fixes to make KCSAN compatible with PREEMPT_RT - Minor cleanups All changes have been in linux-next for the past 4 weeks. -----BEGIN PGP SIGNATURE----- iIcEABYIAC8WIQR7t4b/75lzOR3l5rcxsLN3bbyLnwUCZzMoFREcZWx2ZXJAZ29v Z2xlLmNvbQAKCRAxsLN3bbyLn6cVAP4l4IzMyRm+kAW8yqnMjfZBl2+cJ15J5Huy jQLqPSdruwD/W8ciiJvz9FhKtQQwVXtZF3WcNdkNgGLqhHbEkPBw4gA= =Lx19 -----END PGP SIGNATURE----- Merge tag 'kcsan-20241112-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/melver/linux Pull Kernel Concurrency Sanitizer (KCSAN) updates from Marco Elver: - Make KCSAN compatible with PREEMPT_RT - Minor cleanup * tag 'kcsan-20241112-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/melver/linux: kcsan: Remove redundant call of kallsyms_lookup_name() kcsan: Turn report_filterlist_lock into a raw_spinlock |
||
|
Linus Torvalds
|
8cdf2d1903 |
RCU pull request for v6.13
SRCU:
- Introduction of the new SRCU-lite flavour with a new pair of
srcu_read_[un]lock_lite() APIs. In practice the read side using
this flavour becomes lighter by removing a full memory barrier on
LOCK and a full memory barrier on UNLOCK. This comes at the
expense of a higher latency write side with two (in the best case
of a snaphot of unused read-sides) or more RCU grace periods on
the update side which now assumes by itself the whole full
ordering guarantee against the LOCK/UNLOCK counters on both
indexes, along with the accesses performed inside.
Uretprobes is a known potential user.
Note this doesn't replace the default normal flavour of SRCU which
still behaves the same as usual.
- Add testing of SRCU-lite through rcutorture and rcuscale
- Various cleanups on the way.
FIXES:
- Allow short-circuiting RCU-TASKS-RUDE grace periods on architectures
that have sane noinstr boundaries forbidding tracing on low-level
idle and kernel entry code. RCU-TASKS is enough on such configurations
because it involves an RCU grace period that waits for all idle
tasks to either schedule out voluntarily or enter into RCU
unwatched noinstr code.
- Allow and test start_poll_synchronize_rcu() with IRQs disabled.
- Mention rcuog kthreads in relevant documentation and Kconfig help
- Various fixes and consolidations
RCUTORTURE:
- Add --no-affinity on tools to leave the affinity setting of guests
up to the user.
- Add guest_os_delay parameter to rcuscale for better warm-up
control.
- Fix and improve some rcuscale error handling.
- Various cleanups and fixes
STALL:
- Remove dead code
- Stop dumping tasks if a stalled grace period eventually ended
midway as that only produces confusing output.
- Optimize detection of stalling CPUs and avoid useless node
locking otherwise.
NOCB:
- Fix rcu_barrier() hang due to a race against callbacks
deoffloading. This is not yet used, except by rcutorture, and
waits for its promised cpusets interface.
- Remove leftover function declaration
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Merge tag 'rcu.release.v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU updates from Frederic Weisbecker:
"SRCU:
- Introduction of the new SRCU-lite flavour with a new pair of
srcu_read_[un]lock_lite() APIs. In practice the read side using
this flavour becomes lighter by removing a full memory barrier on
LOCK and a full memory barrier on UNLOCK. This comes at the expense
of a higher latency write side with two (in the best case of a
snaphot of unused read-sides) or more RCU grace periods on the
update side which now assumes by itself the whole full ordering
guarantee against the LOCK/UNLOCK counters on both indexes, along
with the accesses performed inside.
Uretprobes is a known potential user.
Note this doesn't replace the default normal flavour of SRCU which
still behaves the same as usual.
- Add testing of SRCU-lite through rcutorture and rcuscale
- Various cleanups on the way.
Fixes:
- Allow short-circuiting RCU-TASKS-RUDE grace periods on
architectures that have sane noinstr boundaries forbidding tracing
on low-level idle and kernel entry code. RCU-TASKS is enough on
such configurations because it involves an RCU grace period that
waits for all idle tasks to either schedule out voluntarily or
enter into RCU unwatched noinstr code.
- Allow and test start_poll_synchronize_rcu() with IRQs disabled.
- Mention rcuog kthreads in relevant documentation and Kconfig help
- Various fixes and consolidations
rcutorture:
- Add --no-affinity on tools to leave the affinity setting of guests
up to the user.
- Add guest_os_delay parameter to rcuscale for better warm-up
control.
- Fix and improve some rcuscale error handling.
- Various cleanups and fixes
stall:
- Remove dead code
- Stop dumping tasks if a stalled grace period eventually ended
midway as that only produces confusing output.
- Optimize detection of stalling CPUs and avoid useless node locking
otherwise.
NOCB:
- Fix rcu_barrier() hang due to a race against callbacks
deoffloading. This is not yet used, except by rcutorture, and waits
for its promised cpusets interface.
- Remove leftover function declaration"
* tag 'rcu.release.v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux: (42 commits)
rcuscale: Remove redundant WARN_ON_ONCE() splat
rcuscale: Do a proper cleanup if kfree_scale_init() fails
srcu: Unconditionally record srcu_read_lock_lite() in ->srcu_reader_flavor
srcu: Check for srcu_read_lock_lite() across all CPUs
srcu: Remove smp_mb() from srcu_read_unlock_lite()
rcutorture: Avoid printing cpu=-1 for no-fault RCU boost failure
rcuscale: Add guest_os_delay module parameter
refscale: Correct affinity check
torture: Add --no-affinity parameter to kvm.sh
rcu/nocb: Fix missed RCU barrier on deoffloading
rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu
rcu/srcutiny: don't return before reenabling preemption
rcu-tasks: Remove open-coded one-byte cmpxchg() emulation
doc: Remove kernel-parameters.txt entry for rcutorture.read_exit
rcutorture: Test start-poll primitives with interrupts disabled
rcu: Permit start_poll_synchronize_rcu*() with interrupts disabled
rcu: Allow short-circuiting of synchronize_rcu_tasks_rude()
doc: Add rcuog kthreads to kernel-per-CPU-kthreads.rst
rcu: Add rcuog kthreads to RCU_NOCB_CPU help text
rcu: Use the BITS_PER_LONG macro
...
|
||
|
Linus Torvalds
|
2b5d5f23d4 |
hmon updates for v6.13-rc1
* New drivers - ISL28022 power monitor - Nuvoton NCT7363Y * Added support for new chips to existing drivers - The tmp180 driver now supports NXP p3t1085, including its I3C mode - The ina2xx driver now supports SY24655 and INA260 - The amc6821 driver now supports tsd,mule * Other notable improvements - The sht4x driver now supports the chip heater - The pmbus/isl68137 driver now supports a voltage divider on Vout - The cros_ec driver registers with the thermal framework - The pmbus/ltc2978 driver now supports LTC7841 - The PMBus core now allow drivers to override WRITE_PROTECT * Various other minor improvements and cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiHPvMQj9QTOCiqgVyx8mb86fmYEFAmc6tlAACgkQyx8mb86f mYEmThAAi85J4hUepnrpfKwzqzTgXhU3Y1ih7qWyIK0ErI5tjmYiCR3PHHd7jNb0 A5STfbpRkomvepQq9H79lv5EiOMFvudYLj2QuxFbSchz0J2XqXtg2RxUi9AK0/SE b+KLRjNNNHc2J2tDrLj14ZJJxMbqx35kx2x6TDGI+zoBhQ0XwEWkbtNuXipSpHQ8 OkTjbtGKlQrjtc7fJ/fWGlTDeVS2LWtCbJhybcL47IkPeIBQH/FIhoEnnKqj9/EV KROuVAIoAYK9r+w7ZDfp2iBpR0gOaWZ5I2w2cCufsO9pFEuMIeVDgfFP2XGLBXEi NlVlMMyk6X7XqvnHYmun6r9chuPtFc9+Rr7SnJkVaNviY7BmRcuWk1BGxA4GIAIR 6F3sBxlXdisnjVkYd1ENhCGlso/fXQizKUro3KZka0sXEnjxA+SE0dzIK8d77kip P6Mjg3hC6DZlA0eIlnbCWasu0gra4duVTpGTOcbfZQHN+50Fi4va9w2+1UDfIPnn f2gIUubtzrWZqKAPnN6ckIE7BQubsPukx7Zef0wgDRpxOgCBrKeQVX8LYtXQfkda G+LkSk1N1bUIpTbzGQPg7YLbVCQPQYqaSryFPL2lQtfEY58Tgt+EMCKSROmXMBOV tk9uDaN8OjXdYmU90jcHJR7v1WDkLRkRV0fsh6eFUpc8gQDiY+k= =BG/M -----END PGP SIGNATURE----- Merge tag 'hwmon-for-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hmon updates from Guenter Roeck: "New drivers: - ISL28022 power monitor - Nuvoton NCT7363Y Added support for new chips to existing drivers: - The tmp180 driver now supports NXP p3t1085, including its I3C mode - The ina2xx driver now supports SY24655 and INA260 - The amc6821 driver now supports tsd,mule Other notable improvements: - The sht4x driver now supports the chip heater - The pmbus/isl68137 driver now supports a voltage divider on Vout - The cros_ec driver registers with the thermal framework - The pmbus/ltc2978 driver now supports LTC7841 - The PMBus core now allow drivers to override WRITE_PROTECT Various other minor improvements and cleanups" * tag 'hwmon-for-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (51 commits) hwmon: (pmbus/isl68137) add support for voltage divider on Vout dt-bindings: hwmon: isl68137: add bindings to support voltage dividers hwmon: tmp108: fix I3C dependency hwmon: (cros_ec) register thermal sensors to thermal framework hwmon: (tmp108) Add support for I3C device hwmon: (tmp108) Add helper function tmp108_common_probe() to prepare I3C support hwmon: (acpi_power_meter) Fix fail to load module on platform without _PMD method hwmon: (nct6775-core) Fix overflows seen when writing limit attributes hwmon: (pwm-fan) Introduce start from stopped state handling dt-bindings: hwmon: pwm-fan: Document start from stopped state properties hwmon: (tmp108) Add NXP p3t1085 support dt-bindings: hwmon: ti,tmp108: Add nxp,p3t1085 compatible string hwmon: (sch5627, max31827) Fix typos in driver documentation hwmon: (jc42) Drop of_match_ptr() protection hwmon: (f71882fg) Fix grammar in fan speed trip points explanation dt-bindings: hwmon: pmbus: add ti tps25990 support hwmon: (pmbus/core) clear faults after setting smbalert mask hwmon: (pmbus/core) allow drivers to override WRITE_PROTECT hwmon: (pmbus) add documentation for existing flags hwmon: (ina226) Add support for SY24655 ... |
||
|
Linus Torvalds
|
4e9ad033b4 |
ACPI updates for 6.13-rc1
- Fix _CPC register setting issue for registers located in memory in
the ACPI CPPC library code (Lifeng Zheng).
- Use DEFINE_SIMPLE_DEV_PM_OPS in the ACPI battery driver, make it use
devm_ for initializing mutexes and allocating driver data, and make
it check the register_pm_notifier() return value (Thomas Weißschuh,
Andy Shevchenko).
- Make the ACPI EC driver support compile-time conditional and allow
ACPI to be built without CONFIG_HAS_IOPORT (Arnd Bergmann).
- Remove a redundant error check from the pfr_telemetry driver (Colin
Ian King).
- Rearrange the processor_perflib code in the ACPI processor driver
to avoid compiling x86-specific code on other architectures (Arnd
Bergmann).
- Add adev NULL check to acpi_quirk_skip_serdev_enumeration() and
make UART skip quirks work on PCI UARTs without an UID (Hans de
Goede).
- Force native backlight handling Apple MacbookPro11,2 and Air7,2 in
the ACPI video driver (Jonathan Denose).
- Switch several ACPI platform drivers back to using struct
platform_driver::remove() (Uwe Kleine-König).
- Replace strcpy() with strscpy() in multiple places in the ACPI
subsystem (Muhammad Qasim Abdul Majeed, Abdul Rahim).
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Merge tag 'acpi-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These include a couple of fixes, a new ACPI backlight quirk for Apple
MacbookPro11,2 and Air7,2 and a bunch of cleanups:
- Fix _CPC register setting issue for registers located in memory in
the ACPI CPPC library code (Lifeng Zheng)
- Use DEFINE_SIMPLE_DEV_PM_OPS in the ACPI battery driver, make it
use devm_ for initializing mutexes and allocating driver data, and
make it check the register_pm_notifier() return value (Thomas
Weißschuh, Andy Shevchenko)
- Make the ACPI EC driver support compile-time conditional and allow
ACPI to be built without CONFIG_HAS_IOPORT (Arnd Bergmann)
- Remove a redundant error check from the pfr_telemetry driver (Colin
Ian King)
- Rearrange the processor_perflib code in the ACPI processor driver
to avoid compiling x86-specific code on other architectures (Arnd
Bergmann)
- Add adev NULL check to acpi_quirk_skip_serdev_enumeration() and
make UART skip quirks work on PCI UARTs without an UID (Hans de
Goede)
- Force native backlight handling Apple MacbookPro11,2 and Air7,2 in
the ACPI video driver (Jonathan Denose)
- Switch several ACPI platform drivers back to using struct
platform_driver::remove() (Uwe Kleine-König)
- Replace strcpy() with strscpy() in multiple places in the ACPI
subsystem (Muhammad Qasim Abdul Majeed, Abdul Rahim)"
* tag 'acpi-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (24 commits)
ACPI: video: force native for Apple MacbookPro11,2 and Air7,2
ACPI: CPPC: Fix _CPC register setting issue
ACPI: Switch back to struct platform_driver::remove()
ACPI: x86: Add adev NULL check to acpi_quirk_skip_serdev_enumeration()
ACPI: x86: Make UART skip quirks work on PCI UARTs without an UID
ACPI: allow building without CONFIG_HAS_IOPORT
ACPI: processor_perflib: extend X86 dependency
ACPI: scan: Use strscpy() instead of strcpy()
ACPI: SBSHC: Use strscpy() instead of strcpy()
ACPI: SBS: Use strscpy() instead of strcpy()
ACPI: power: Use strscpy() instead of strcpy()
ACPI: pci_root: Use strscpy() instead of strcpy()
ACPI: pci_link: Use strscpy() instead of strcpy()
ACPI: event: Use strscpy() instead of strcpy()
ACPI: EC: Use strscpy() instead of strcpy()
ACPI: APD: Use strscpy() instead of strcpy()
ACPI: thermal: Use strscpy() instead of strcpy()
ACPI: battery: Check for error code from devm_mutex_init() call
ACPI: EC: make EC support compile-time conditional
ACPI: pfr_telemetry: remove redundant error check on ret
...
|
||
|
Linus Torvalds
|
cd7fa3e1b0 |
Thermal control updates for 6.13-rc1
- Add support for thermal thresholds that can be added and removed from
user space via netlink along with a related library update (Daniel
Lezcano).
- Fix thermal zone initialization, suspend/resume and exit
synchronization issues (Rafael Wysocki).
- Rearrange locking in the thermal core to use guards (Rafael Wysocki).
- Make the code handling thermal zone temperature updates use sorted
lists of trip points to reduce the number of trip points table walks
in the thermal core (Rafael Wysocki).
- Fix and clean up the thermal testing facility code (Rafael Wysocki).
- Fix a Power Allocator thermal governor issue (ZhengShaobo).
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Merge tag 'thermal-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These are thermal core changes, including the addition of support for
temperature thresholds that can be set from user space, fixes related
to thermal zone initialization, suspend/resume and exit, locking
rework and rearrangement of the code handling thermal zone temperature
updates.
Specifics:
- Add support for thermal thresholds that can be added and removed
from user space via netlink along with a related library update
(Daniel Lezcano)
- Fix thermal zone initialization, suspend/resume and exit
synchronization issues (Rafael Wysocki)
- Rearrange locking in the thermal core to use guards (Rafael
Wysocki)
- Make the code handling thermal zone temperature updates use sorted
lists of trip points to reduce the number of trip points table
walks in the thermal core (Rafael Wysocki)
- Fix and clean up the thermal testing facility code (Rafael Wysocki)
- Fix a Power Allocator thermal governor issue (ZhengShaobo)"
* tag 'thermal-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (45 commits)
thermal: testing: Initialize some variables annoteded with _free()
thermal: testing: Use DEFINE_FREE() and __free() to simplify code
thermal: testing: Simplify tt_get_tt_zone()
thermal: gov_power_allocator: Granted power set to max when nobody request power
thermal: core: Relocate thermal zone initialization routine
thermal: core: Use trip lists for trip crossing detection
thermal: core: Eliminate thermal_zone_trip_down()
thermal: core: Relocate functions that update trip points
thermal: core: Move some trip processing to thermal_trip_crossed()
thermal: core: Pass trip descriptor to thermal_trip_crossed()
thermal: core: Rearrange __thermal_zone_device_update()
thermal: core: Prepare for moving trips between sorted lists
thermal: core: Rename trip list node in struct thermal_trip_desc
thermal: core: Build sorted lists instead of sorting them later
thermal/lib: Fix memory leak on error in thermal_genl_auto()
thermal: thresholds: Fix thermal lock annotation issue
tools/thermal/thermal-engine: Take into account the thresholds API
tools/lib/thermal: Add the threshold netlink ABI
tools/lib/thermal: Make more generic the command encoding function
thermal: netlink: Add the commands and the events for the thresholds
...
|
||
|
Linus Torvalds
|
ad52c55e1d |
Power management updates for 6.13-rc1
- Update the amd-pstate driver to set the initial scaling frequency
policy lower bound to be the lowest non-linear frequency (Dhananjay
Ugwekar).
- Enable amd-pstate by default on servers starting with newer AMD Epyc
processors (Swapnil Sapkal).
- Align more codepaths between shared memory and MSR designs in
amd-pstate (Dhananjay Ugwekar).
- Clean up amd-pstate code to rename functions and remove redundant
calls (Dhananjay Ugwekar, Mario Limonciello).
- Do other assorted fixes and cleanups in amd-pstate (Dhananjay Ugwekar
and Mario Limonciello).
- Change the Balance-performance EPP value for Granite Rapids in the
intel_pstate driver to a more performance-biased one (Srinivas
Pandruvada).
- Simplify MSR read on the boot CPU in the ACPI cpufreq driver (Chang
S. Bae).
- Ensure sugov_eas_rebuild_sd() is always called when sugov_init()
succeeds to always enforce sched domains rebuild in case EAS needs
to be enabled (Christian Loehle).
- Switch cpufreq back to platform_driver::remove() (Uwe Kleine-König).
- Use proper frequency unit names in cpufreq (Marcin Juszkiewicz).
- Add a built-in idle states table for Granite Rapids Xeon D to the
intel_idle driver (Artem Bityutskiy).
- Fix some typos in comments in the cpuidle core and drivers (Shen
Lichuan).
- Remove iowait influence from the menu cpuidle governor (Christian
Loehle).
- Add min/max available performance state limits to the Energy Model
management code (Lukasz Luba).
- Update pm-graph to v5.13 (Todd Brandt).
- Add documentation for some recently introduced cpupower utility
options (Tor Vic).
- Make cpupower inform users where cpufreq-bench.conf should be located
when opening it fails (Peng Fan).
- Allow overriding cross-compiling env params in cpupower (Peng Fan).
- Add compile_commands.json to .gitignore in cpupower (John B. Wyatt
IV).
- Improve disable c_state block in cpupower bindings and add a test to
confirm that CPU state is disabled to it (John B. Wyatt IV).
- Add Chinese Simplified translation to cpupower (Kieran Moy).
- Add checks for xgettext and msgfmt to cpupower (Siddharth Menon).
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Merge tag 'pm-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"The amd-pstate cpufreq driver gets the majority of changes this time.
They are mostly fixes and cleanups, but one of them causes it to
become the default cpufreq driver on some AMD server platforms.
Apart from that, the menu cpuidle governor is modified to not use
iowait any more, the intel_idle gets a custom C-states table for
Granite Rapids Xeon D, and the intel_pstate driver will use a more
aggressive Balance- performance default EPP value on Granite Rapids
now.
There are also some fixes, cleanups and tooling updates.
Specifics:
- Update the amd-pstate driver to set the initial scaling frequency
policy lower bound to be the lowest non-linear frequency (Dhananjay
Ugwekar)
- Enable amd-pstate by default on servers starting with newer AMD
Epyc processors (Swapnil Sapkal)
- Align more codepaths between shared memory and MSR designs in
amd-pstate (Dhananjay Ugwekar)
- Clean up amd-pstate code to rename functions and remove redundant
calls (Dhananjay Ugwekar, Mario Limonciello)
- Do other assorted fixes and cleanups in amd-pstate (Dhananjay
Ugwekar and Mario Limonciello)
- Change the Balance-performance EPP value for Granite Rapids in the
intel_pstate driver to a more performance-biased one (Srinivas
Pandruvada)
- Simplify MSR read on the boot CPU in the ACPI cpufreq driver (Chang
S. Bae)
- Ensure sugov_eas_rebuild_sd() is always called when sugov_init()
succeeds to always enforce sched domains rebuild in case EAS needs
to be enabled (Christian Loehle)
- Switch cpufreq back to platform_driver::remove() (Uwe Kleine-König)
- Use proper frequency unit names in cpufreq (Marcin Juszkiewicz)
- Add a built-in idle states table for Granite Rapids Xeon D to the
intel_idle driver (Artem Bityutskiy)
- Fix some typos in comments in the cpuidle core and drivers (Shen
Lichuan)
- Remove iowait influence from the menu cpuidle governor (Christian
Loehle)
- Add min/max available performance state limits to the Energy Model
management code (Lukasz Luba)
- Update pm-graph to v5.13 (Todd Brandt)
- Add documentation for some recently introduced cpupower utility
options (Tor Vic)
- Make cpupower inform users where cpufreq-bench.conf should be
located when opening it fails (Peng Fan)
- Allow overriding cross-compiling env params in cpupower (Peng Fan)
- Add compile_commands.json to .gitignore in cpupower (John B. Wyatt
IV)
- Improve disable c_state block in cpupower bindings and add a test
to confirm that CPU state is disabled to it (John B. Wyatt IV)
- Add Chinese Simplified translation to cpupower (Kieran Moy)
- Add checks for xgettext and msgfmt to cpupower (Siddharth Menon)"
* tag 'pm-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (38 commits)
cpufreq: intel_pstate: Update Balance-performance EPP for Granite Rapids
cpufreq: ACPI: Simplify MSR read on the boot CPU
sched/cpufreq: Ensure sd is rebuilt for EAS check
intel_idle: add Granite Rapids Xeon D support
PM: EM: Add min/max available performance state limits
cpufreq/amd-pstate: Move registration after static function call update
cpufreq/amd-pstate: Push adjust_perf vfunc init into cpu_init
cpufreq/amd-pstate: Align offline flow of shared memory and MSR based systems
cpufreq/amd-pstate: Call cppc_set_epp_perf in the reenable function
cpufreq/amd-pstate: Do not attempt to clear MSR_AMD_CPPC_ENABLE
cpufreq/amd-pstate: Rename functions that enable CPPC
cpufreq/amd-pstate-ut: Add fix for min freq unit test
amd-pstate: Switch to amd-pstate by default on some Server platforms
amd-pstate: Set min_perf to nominal_perf for active mode performance gov
cpufreq/amd-pstate: Remove the redundant amd_pstate_set_driver() call
cpufreq/amd-pstate: Remove the switch case in amd_pstate_init()
cpufreq/amd-pstate: Call amd_pstate_set_driver() in amd_pstate_register_driver()
cpufreq/amd-pstate: Call amd_pstate_register() in amd_pstate_init()
cpufreq/amd-pstate: Set the initial min_freq to lowest_nonlinear_freq
cpufreq/amd-pstate: Remove the redundant verify() function
...
|
||
|
Linus Torvalds
|
8a7fa81137 |
Random number generator updates for Linux 6.13-rc1.
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||
|
Linus Torvalds
|
02b2f1a7b8 |
This update includes the following changes:
API:
- Add sig driver API.
- Remove signing/verification from akcipher API.
- Move crypto_simd_disabled_for_test to lib/crypto.
- Add WARN_ON for return values from driver that indicates memory corruption.
Algorithms:
- Provide crc32-arch and crc32c-arch through Crypto API.
- Optimise crc32c code size on x86.
- Optimise crct10dif on arm/arm64.
- Optimise p10-aes-gcm on powerpc.
- Optimise aegis128 on x86.
- Output full sample from test interface in jitter RNG.
- Retry without padata when it fails in pcrypt.
Drivers:
- Add support for Airoha EN7581 TRNG.
- Add support for STM32MP25x platforms in stm32.
- Enable iproc-r200 RNG driver on BCMBCA.
- Add Broadcom BCM74110 RNG driver.
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Merge tag 'v6.13-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Add sig driver API
- Remove signing/verification from akcipher API
- Move crypto_simd_disabled_for_test to lib/crypto
- Add WARN_ON for return values from driver that indicates memory
corruption
Algorithms:
- Provide crc32-arch and crc32c-arch through Crypto API
- Optimise crc32c code size on x86
- Optimise crct10dif on arm/arm64
- Optimise p10-aes-gcm on powerpc
- Optimise aegis128 on x86
- Output full sample from test interface in jitter RNG
- Retry without padata when it fails in pcrypt
Drivers:
- Add support for Airoha EN7581 TRNG
- Add support for STM32MP25x platforms in stm32
- Enable iproc-r200 RNG driver on BCMBCA
- Add Broadcom BCM74110 RNG driver"
* tag 'v6.13-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (112 commits)
crypto: marvell/cesa - fix uninit value for struct mv_cesa_op_ctx
crypto: cavium - Fix an error handling path in cpt_ucode_load_fw()
crypto: aesni - Move back to module_init
crypto: lib/mpi - Export mpi_set_bit
crypto: aes-gcm-p10 - Use the correct bit to test for P10
hwrng: amd - remove reference to removed PPC_MAPLE config
crypto: arm/crct10dif - Implement plain NEON variant
crypto: arm/crct10dif - Macroify PMULL asm code
crypto: arm/crct10dif - Use existing mov_l macro instead of __adrl
crypto: arm64/crct10dif - Remove remaining 64x64 PMULL fallback code
crypto: arm64/crct10dif - Use faster 16x64 bit polynomial multiply
crypto: arm64/crct10dif - Remove obsolete chunking logic
crypto: bcm - add error check in the ahash_hmac_init function
crypto: caam - add error check to caam_rsa_set_priv_key_form
hwrng: bcm74110 - Add Broadcom BCM74110 RNG driver
dt-bindings: rng: add binding for BCM74110 RNG
padata: Clean up in padata_do_multithreaded()
crypto: inside-secure - Fix the return value of safexcel_xcbcmac_cra_init()
crypto: qat - Fix missing destroy_workqueue in adf_init_aer()
crypto: rsassa-pkcs1 - Reinstate support for legacy protocols
...
|
||
|
Linus Torvalds
|
1af29b34ea |
chrome platform firmware changes for 6.13
* Fixes
- Do not double register "simple-framebuffer" platform device if
Generic System Framebuffers (sysfb) already did that.
- Fix a missing of unregistering platform driver in error handling
path.
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Merge tag 'chrome-platform-firmware-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform firmware updates from Tzung-Bi Shih:
- Do not double register "simple-framebuffer" platform device if
Generic System Framebuffers (sysfb) already did that
- Fix a missing of unregistering platform driver in error handling path
* tag 'chrome-platform-firmware-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
firmware: google: Unregister driver_info on failure
firmware: coreboot: Don't register a pdev if screen_info data is present
firmware: sysfb: Add a sysfb_handles_screen_info() helper function
|
||
|
Linus Torvalds
|
78516f4aef |
chrome platform changes for 6.13
* Fixes
- Fix a leak of fwnode refcount.
* Cleanups
- Drop unused I2C driver data.
- Move back from platform_driver::remove_new() to
platform_driver::remove().
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Merge tag 'chrome-platform-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Tzung-Bi Shih:
"Fixes:
- Fix a leak of fwnode refcount.
Cleanups:
- Drop unused I2C driver data
- Move back from platform_driver::remove_new() to
platform_driver::remove()"
* tag 'chrome-platform-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: Switch back to struct platform_driver::remove()
platform/chrome: cros_ec_typec: fix missing fwnode reference decrement
platform/chrome: Drop explicit initialization of struct i2c_device_id::driver_data to 0
|
||
|
Linus Torvalds
|
311e062ad5 |
CSD-lock diagnostic updates for v6.13
This commit switches from sched_clock() to ktime_get_mono_fast_ns(), which on x86 switches from the rdtsc instruction to the rdtscp instruction, thus avoiding instruction reorderings that cause false-positive reports of CSD-lock stalls of almost 2^46 nanoseconds. These false positives are rare, but really are seen in the wild. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmc5XvETHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jNUCD/9NqeuxsVcumybbjlHs/IbJt47qTPVk 1O+mpLiKfscw/ndfvqJe1RU+IOUJUPBPzBPUWvZQZ2SzeU03oOI4/szFttDdXSi3 0uI9qOJn3auk2+cdU7CxXOLSiWYEWlMjWvN6d34QeLh7smLkendxH2wo2fkL9kf0 DzvosOrlyNWGZPUQrb1TRW7RKGE7vap8x7tK/p1qMO2xmaPeIX7dfiY38CJC5fjj +n8i1aZIxLFc65I0/Z+nGTMFrktzbYjJik6k++QZzHx+GiXaCkgfidZFspj3uPXW CPa6KxheCrdmFV4A/TVnKYJyutoGeheMjwlVfz0YOSe8J5/N3F9RfDFBYedt2fL+ 11gRpOg5hz61AsyxZ1+iViW0guXoVzn2uwQ5rkou9184fBXPuwH1MAwBcsKYwQig Frd0ZzyrqGHCHwDWtBfAb+qC17b5krsa+fKkjiPFDRDRB5N2hh67tcquOE3wzvrG oAHEZgeFwxZQYGIZ7uITebyThe9NvkBRyrJLvxUEpvF2MoI0yJaqoAwkHieSl1vD KJJ+o+HxVa3D/WCWxTNCjDyxvCMJpFHFWB3h8+hi+X2UleRGrDiIDmIdddMM1/gr meYjZ/c1/t7Y14zwzp/SxUHFJ4U8U2jI23/K5ldJVH34k6XwccU06NYWjHYokXgT ZRMCJ8sAcTtlhw== =8GQJ -----END PGP SIGNATURE----- Merge tag 'csd-lock.2024.11.16a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull CSD-lock update from Paul McKenney: "This switches from sched_clock() to ktime_get_mono_fast_ns(), which on x86 switches from the rdtsc instruction to the rdtscp instruction, thus avoiding instruction reorderings that cause false-positive reports of CSD-lock stalls of almost 2^46 nanoseconds. These false positives are rare, but really are seen in the wild" * tag 'csd-lock.2024.11.16a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: locking/csd-lock: Switch from sched_clock() to ktime_get_mono_fast_ns() |
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Linus Torvalds
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d7d4102f0a |
scftorture changes for v6.13
o Avoid divide operation. o Fix cleanup code waiting for IPI handlers. o Move memory allocations out of preempt-disable region of code for PREEMPT_RT compatibility. o Use a lockless list to avoid freeing memory while interrupts are disabled, again for PREEMPT_RT compatibility. o Make lockless list scf_add_to_free_list() correctly handle freeing a NULL pointer. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmc5X0gTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jDVMEACQRdJ0NYxygGFpUzDj2Er2wdOtBG0E n1NOqmNX7nlBL8BzseCFa2OiVbvggE7+ynAGcqISzDLZGE6aa4/HwKLkxSGB62UV WMXNiJE+t4bb1TsdMwLcQnOmmDniy6ID0NIEA8YHEEZltuDNQGQfjB8ynJewwNmY yMU90JDwVvDVmM9+AXUqYYRAar1gR5k7jknQbnXqb+6xT/kMEu+B1z5BGiMB3Z5L LylobI+3OZTY417tgJU/iSeRZbLZn7Xs6pxOcJMpeFvvYMn4mkYaUX+WUOU9oTQd h91wGxRouTQpS41zGNI5HcqnTtevrnmtXNROyUkei1aipvnq8N9HR11UJDXWgSV4 24dH8qZVzTv+/cWIuNA3uUH+hu7kFZztQQQeIJdenm3CBtEYIK4ssrlyXUM7U5AY JQOjeEzApQLht++VTjGSS3CZhODLCTQU+IeQH1ChM1EZz2M9gsv9RqKfXrnFTDnO 6UrLNa2YCpvQCEeNj2i8TaFHZAInGTcNFHjhxd+kA4SsCDygi9PYxKq6xVadLVZs Kwj6kpgPpatQzZ5w7Il9RF+qTgpOnbqB52JFt3rGjQg8uALfDo5S85wurhvu6+GC Qy7XvDWhmUn8fZwvlRO+DABBWOYmXeAVHKxWA3VBxO3O454Pxx5IuVSW4213GFVz 58sAl0WwK8Jscg== =ElHE -----END PGP SIGNATURE----- Merge tag 'scftorture.2024.11.16a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull scftorture updates from Paul McKenney: - Avoid divide operation - Fix cleanup code waiting for IPI handlers - Move memory allocations out of preempt-disable region of code for PREEMPT_RT compatibility - Use a lockless list to avoid freeing memory while interrupts are disabled, again for PREEMPT_RT compatibility - Make lockless list scf_add_to_free_list() correctly handle freeing a NULL pointer * tag 'scftorture.2024.11.16a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: scftorture: Handle NULL argument passed to scf_add_to_free_list(). scftorture: Use a lock-less list to free memory. scftorture: Move memory allocation outside of preempt_disable region. scftorture: Wait until scf_cleanup_handler() completes. scftorture: Avoid additional div operation. |
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Linus Torvalds
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26c9fdd6f3 |
nolibc changes for 6.13
Changes ------- * Fix potential error due to missing #include on s390 * Compatibility with -Wmissing-fallthrough * Run qemu with more memory during tests -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmclJJ4THHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jDIIEACCBELCRNPpE5RMF/8DDsQ7wiMlQEWS ZLD3ut57m2FBJf1AUTbMMxweNXS5TY/4AZu3tsR0/olFh483GIchvcz5z5kVcetO 4miwhmfsvy4F7XmVoZGFN2nPo8ign+hW4aMVmpC3xzSi5bxGmulcVmmBwV21pVJx 8+xkyXUGAI1/qcuBM56ZxF1b83SkpPBALW5yLK11iHb1CqophoqDx7MpGGExEH4h C2ca4ygXHgstVgmzJF8z4k5M65Ky6mpsi1zO26ixsqurYbNzkrSUjkTSk85Zq+Ee aqvao1sURJ1C+h70gvqmDelErVe4ralhKePneK3LkEbxkWBR7VUMk6kOOq5UhIhr H0rvicVFFvnIrovzsoaEUQLvD5VCdwBdbzK4gb+12PI5D3VQ8VP4nYL/bey8AXNw O+zfvkgZ4IDwffM8RpC4P1lCYC1AyyQ7srwe+juDuPMAfVPYEXZ/cUeFDboDpBHn UIONBpdFqep1/xlGVc9tLm2F+01Z0gbyG52ccFwGK1Q0L2+0q7V9wIh+7qBAi+Jb fiVbz1I/8Z9TCpjDpmUPScZXxEZW4LeCfXH0pjEb6KbDI9fXkCorzOVHes8y+tNl CO28vSZLnDXo89uQshQwr+pj776djkr9d+s2r1WCngIGoivd24evkHyZZ87J88p5 pik3/mLDC9FNfw== =aNvL -----END PGP SIGNATURE----- Merge tag 'nolibc.2024.11.01a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull nolibc updates from Paul McKenney: - Fix potential error due to missing #include on s390 - Compatibility with -Wmissing-fallthrough - Run qemu with more memory during tests * tag 'nolibc.2024.11.01a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: selftests/nolibc: start qemu with 1 GiB of memory tools/nolibc: compiler: add macro __nolibc_fallthrough tools/nolibc: s390: include std.h |
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Rob Herring (Arm)
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9f5cbdaae5
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arm64: dts: apm: Remove unused and undocumented "bus_num" property
Remove "bus_num" property which is both unused in the kernel and undocumented. Most likely they are leftovers from downstream. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20241115195049.3637454-2-robh@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Rob Herring (Arm)
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a21b2eb7cf
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arm: dts: spear13xx: Remove unused and undocumented "pl022,slave-tx-disable" property
Remove "pl022,slave-tx-disable" property which is both unused in the kernel and undocumented. Most likely they are leftovers from downstream. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://lore.kernel.org/r/20241115193835.3623725-1-robh@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Rob Herring (Arm)
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26bda0dff9
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arm64: dts: amd: Remove unused and undocumented "amd,zlib-support" property
Remove "amd,zlib-support" property which is both unused in the kernel and undocumented. Most likely they are leftovers from downstream. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20241115193740.3622591-2-robh@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Arnd Bergmann
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44a50de51b |
Allwinner fixes for 6.12
- Fix DCDC5 voltage range on Cubieboard 4 -----BEGIN PGP SIGNATURE----- iQJCBAABCgAsFiEE2nN1m/hhnkhOWjtHOJpUIZwPJDAFAmcrcLcOHHdlbnNAY3Np ZS5vcmcACgkQOJpUIZwPJDCodw//TZdq7uDs2QVL07V9h/gujlB13Po5Z9nOOSDa rgFhGnZ3iEFZ2AJw8bivT8oj4gQJ1V+N1Nvh4rZOZgOMCHVBZ8Zk2h+6sGeBjmAw sLITKvMAdZ3zuUNdS4dAAEJncDhTBQTpOdxBBH5RvCXBWr4Pf4Lvib26M5dxVQGc 5Zuh9qm6P4s4yHt37gJayMLPVPEqIHeVy/TKXpws9Anb8BXrGxdwJnWEv4qAeaaO NcNmV59KVJQyu/n/bvMT2krgPaVA7ghKObQ/FA0RfCwD8jT48NEC6bvQ9a+XWSk3 PwskuEnw0v2ve0IIz3+t2resE9006cE30UctSk7oA1iG3AfFKQzbKbqS2rk5506I VwyvZ2wkcBtg8rYpPg0uLMUpwgH3LEhNygjgOpcxc5n71pzffl1t68HYY1Fy+YV6 LOi6mytgNGXFwbRagp1O3427GlGhO0D+1zyA2oBBjCcbuEPuTsDhlxXK9fBL6TkA uy/T+n0qZhT+jWsHgAZhcQUjqCeh4lsfGsg0C90kohtEZQhvOO6unHRFU5att88e WZy2svPBx5293WapUreD5R3ue6lYl6mjVTQN5oSLbs73vhOShDz2T6lALuxSovHf ps8gMK43KptHcC/zS+oV4qwaaXOtDTCMv1e5MvIG7PZ1TdgAy6lt+kRNce71org/ DaCt3fQ= =pgqN -----END PGP SIGNATURE----- Merge tag 'sunxi-fixes-for-6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into soc/dt Allwinner fixes for 6.12 - Fix DCDC5 voltage range on Cubieboard 4 * tag 'sunxi-fixes-for-6.12' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: ARM: dts: cubieboard4: Fix DCDC5 regulator constraints |
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Gabriele Monaco
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571f8b3f86 |
verification/dot2: Improve dot parser robustness
This patch makes the dot parser used by dot2c and dot2k slightly more
robust, namely:
* allows parsing files with the gv extension (GraphViz)
* correctly parses edges with any indentation
* used to work only with a single character (e.g. '\t')
Additionally it fixes a couple of warnings reported by pylint such as
wrong indentation and comparison to False instead of `not ...`
Link: https://lore.kernel.org/20241017064238.41394-2-gmonaco@redhat.com
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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furkanonder
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4d8c1ba079 |
tools/rtla: Improve exception handling in timerlat_load.py
The enhancements made to timerlat_load.py are intended to improve the script's exception handling.
Summary of the changes:
- Specific exceptions are now caught for CPU affinity and priority
settings, with clearer error messages provided.
- The timerlat file descriptor opening now includes handling for
PermissionError and OSError, with informative messages.
- In the infinite loop, generic exceptions have been replaced with
specific types like KeyboardInterrupt and IOError, improving feedback.
Before:
$ sudo python timerlat_load.py 122
Error setting affinity
After:
$ sudo python timerlat_load.py 122
Error setting affinity: [Errno 22] Invalid argument
Before:
$ sudo python timerlat_load.py 1 -p 950
Error setting priority
After:
$ sudo python timerlat_load.py 1 -p 950
Error setting priority: [Errno 22] Invalid argument
Before:
$ python timerlat_load.py 1
Error opening timerlat fd, did you run timerlat -U?
After:
$ python timerlat_load.py 1
Permission denied. Please check your access rights.
Cc: "lgoncalv@redhat.com" <lgoncalv@redhat.com>
Cc: "jkacur@redhat.com" <jkacur@redhat.com>
Link: https://lore.kernel.org/Q_k1s4hBtUy2px8ou0QKenjEK2_T_LoV8IxAE79aBakBogb-7uHp2fpET3oWtI1t3dy8uKjWeRzQOdKNzIzOOpyM4OjutJOriZ9TrGY6b-g=@protonmail.com
Signed-off-by: Furkan Onder <furkanonder@protonmail.com>
Reviewed-by: Tomas Glozar <tglozar@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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furkanonder
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bd26818343 |
tools/rtla: Enhance argument parsing in timerlat_load.py
The enhancements made to timerlat_load.py are aimed at improving the clarity of argument parsing. Summary of Changes: - The cpu argument is now specified as an integer type in the argument parser to enforce input validation, and the construction of affinity_mask has been simplified to directly use the integer value of args.cpu. - The prio argument is similarly updated to be of integer type for consistency and validation, eliminating the need for the conversion of args.prio to an integer, as this is now handled by the argument parser. Cc: "jkacur@redhat.com" <jkacur@redhat.com> Cc: "lgoncalv@redhat.com" <lgoncalv@redhat.com> Link: https://lore.kernel.org/QfgO7ayKD9dsLk8_ZDebkAV0OF7wla7UmasbP9CBmui_sChOeizy512t3RqCHTjvQoUBUDP8dwEOVCdHQ5KvVNEiP69CynMY94SFDERWl94=@protonmail.com Signed-off-by: Furkan Onder <furkanonder@protonmail.com> Reviewed-by: Tomas Glozar <tglozar@redhat.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |