Changes in cpu.c

3e9e952bb3139ad1e08f3e1960239c2988ab90c9 - Merge branch 'for-7.1-printf-kunit-build' into for-linus

Mon, 20 Apr 2026 11:41:28 +0000

Merge branch 'for-7.1-printf-kunit-build' into for-linus List of files: /linux/kernel/cpu.c

f4b369c6fe0ceaba2da2daff8c9eb415f85926dd - Merge branch 'next' into for-linus

Mon, 20 Apr 2026 01:28:57 +0000

Merge branch 'next' into for-linusPrepare input updates for 7.1 merge window. List of files: /linux/kernel/cpu.c

d4eb7b2da66c848709e31585b9c371fa234abc39 - Merge branch 'for-7.1/core-v2' into for-linus

Thu, 16 Apr 2026 19:01:18 +0000

Merge branch 'for-7.1/core-v2' into for-linus- fixed handling of 0-sized reports (Dmitry Torokhov)- convert core code to __free() (Dmitry Torokhov)- support for multiple batteries per HID device (Lucas Zampieri) List of files: /linux/kernel/cpu.c

0421ccdfad0d92713a812a5aeb7d07b0ea7213c8 - Merge tag 'v7.0-rc3' into next

Thu, 12 Mar 2026 17:44:42 +0000

Merge tag 'v7.0-rc3' into nextSync up with the mainline to brig up the latest changes, specificallychanges to ALPS driver. List of files: /linux/kernel/cpu.c

42d3b66d4cdbacfc9d120d2301b8de89cc29a914 - Merge drm/drm-next into drm-xe-next

Thu, 12 Mar 2026 14:17:56 +0000

Merge drm/drm-next into drm-xe-nextBackmerging to bring in 7.00-rc3. Important ahead GPU SVM merging THPsupport.Signed-off-by: Matthew Brost List of files: /linux/kernel/cpu.c

f09812b85fa6f41058bcc46e70ac406bf9b0493a - Merge drm/drm-next into drm-intel-next

Wed, 25 Feb 2026 11:23:04 +0000

Merge drm/drm-next into drm-intel-nextSync with v7.0-rc1 which contains a few treewide changes affecting i915.Signed-off-by: Jani Nikula List of files: /linux/kernel/cpu.c

8b85987d3cf50178f67618122d9f3bb202f62f42 - Merge drm/drm-next into drm-misc-next

Mon, 23 Feb 2026 10:48:20 +0000

Merge drm/drm-next into drm-misc-nextLet's merge 7.0-rc1 to start the new drm-misc-next windowSigned-off-by: Maxime Ripard List of files: /linux/kernel/cpu.c

c17ee635fd3a482b2ad2bf5e269755c2eae5f25e - Merge drm/drm-fixes into drm-misc-fixes

Mon, 23 Feb 2026 09:09:45 +0000

Merge drm/drm-fixes into drm-misc-fixes7.0-rc1 was just released, let's merge it to kick the new release cycle.Signed-off-by: Maxime Ripard List of files: /linux/kernel/cpu.c

b0a67f310bfa5e13d66c9f6b4bd88ea504a576a9 - Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf before 7.0-rc1

Thu, 19 Feb 2026 19:08:53 +0000

Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf before 7.0-rc1Cross-merge BPF and other fixes after downstream PR.No conflicts.Signed-off-by: Alexei Starovoitov List of files: /linux/kernel/cpu.c

d295082ea672e7277388e1cf7c5af73788cf8029 - Merge tag 'spdx-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx

Tue, 17 Feb 2026 17:46:03 +0000

Merge tag 'spdx-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdxPull SPDX updates from Greg KH: "Here are two small changes that add some missing SPDX license lines to some core kernel files. These are: - adding SPDX license lines to kdb files - adding SPDX license lines to the remaining kernel/ files Both of these have been in linux-next for a while with no reported issues"* tag 'spdx-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: kernel: debug: Add SPDX license ids to kdb files kernel: add SPDX-License-Identifier lines List of files: /linux/kernel/cpu.c

d16738a4e79e55b2c3c9ff4fb7b74a4a24723515 - Merge tag 'kthread-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks

Tue, 10 Feb 2026 03:57:30 +0000

Merge tag 'kthread-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticksPull kthread updates from Frederic Weisbecker: "The kthread code provides an infrastructure which manages the preferred affinity of unbound kthreads (node or custom cpumask) against housekeeping (CPU isolation) constraints and CPU hotplug events. One crucial missing piece is the handling of cpuset: when an isolated partition is created, deleted, or its CPUs updated, all the unbound kthreads in the top cpuset become indifferently affine to _all_ the non-isolated CPUs, possibly breaking their preferred affinity along the way. Solve this with performing the kthreads affinity update from cpuset to the kthreads consolidated relevant code instead so that preferred affinities are honoured and applied against the updated cpuset isolated partitions. The dispatch of the new isolated cpumasks to timers, workqueues and kthreads is performed by housekeeping, as per the nice Tejun's suggestion. As a welcome side effect, HK_TYPE_DOMAIN then integrates both the set from boot defined domain isolation (through isolcpus=) and cpuset isolated partitions. Housekeeping cpumasks are now modifiable with a specific RCU based synchronization. A big step toward making nohz_full= also mutable through cpuset in the future"* tag 'kthread-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks: (33 commits) doc: Add housekeeping documentation kthread: Document kthread_affine_preferred() kthread: Comment on the purpose and placement of kthread_affine_node() call kthread: Honour kthreads preferred affinity after cpuset changes sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN sched: Switch the fallback task allowed cpumask to HK_TYPE_DOMAIN kthread: Rely on HK_TYPE_DOMAIN for preferred affinity management kthread: Include kthreadd to the managed affinity list kthread: Include unbound kthreads in the managed affinity list kthread: Refine naming of affinity related fields PCI: Remove superfluous HK_TYPE_WQ check sched/isolation: Remove HK_TYPE_TICK test from cpu_is_isolated() cpuset: Remove cpuset_cpu_is_isolated() timers/migration: Remove superfluous cpuset isolation test cpuset: Propagate cpuset isolation update to timers through housekeeping cpuset: Propagate cpuset isolation update to workqueue through housekeeping PCI: Flush PCI probe workqueue on cpuset isolated partition change sched/isolation: Flush vmstat workqueues on cpuset isolated partition change sched/isolation: Flush memcg workqueues on cpuset isolated partition change cpuset: Update HK_TYPE_DOMAIN cpumask from cpuset ... List of files: /linux/kernel/cpu.c

ec496f77b4c11036cc835d6f045fb5e5ef1e6530 - Merge branch 'for-6.20/sony' into for-linus

Mon, 09 Feb 2026 16:33:26 +0000

Merge branch 'for-6.20/sony' into for-linus- Support for Rock band 4 PS4 and PS5 guitars (Rosalie Wanders) List of files: /linux/kernel/cpu.c

622c508bcf4852ad56ae37bf6f08e9a4e6aa95b2 - cpu: Provide lockdep check for CPU hotplug lock write-held

Tue, 27 May 2025 13:33:01 +0000

cpu: Provide lockdep check for CPU hotplug lock write-heldcpuset modifies partitions, including isolated, while holding the cpuhotplug lock read-held.This means that write-holding the CPU hotplug lock is safe tosynchronize against housekeeping cpumask changes.Provide a lockdep check to validate that.Signed-off-by: Frederic Weisbecker Cc: Marco Crivellari Cc: Michal Hocko Cc: Peter Zijlstra Cc: Tejun Heo Cc: Thomas Gleixner Cc: Waiman Long Cc: linux-kernel@vger.kernel.org List of files: /linux/kernel/cpu.c

de715325cc47b5a699019b6071620be8da5df146 - cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"

Mon, 25 Aug 2025 16:01:58 +0000

cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"1) The commit: 2b8272ff4a70 ("cpu/hotplug: Prevent self deadlock on CPU hot-unplug")was added to fix an issue where the hotplug control task (BP) wasthrottled between CPUHP_AP_IDLE_DEAD and CPUHP_HRTIMERS_PREPARE waitingin the hrtimer blindspot for the bandwidth callback queued in the deadCPU.2) Later on, the commit: 38685e2a0476 ("cpu/hotplug: Don't offline the last non-isolated CPU")plugged on the target selection for the workqueue offloaded CPU downprocess to prevent from destroying the last CPU domain.3) Finally: 5c0930ccaad5 ("hrtimers: Push pending hrtimers away from outgoing CPU earlier")removed entirely the conditions for the race exposed and partially fixedin 1). The offloading of the CPU down process to a workqueue on anotherCPU then becomes unnecessary. But the last CPU belonging to schedulerdomains must still remain online.Therefore revert the now obsolete commit2b8272ff4a70b866106ae13c36be7ecbef5d5da2 and move the housekeeping checkunder the cpu_hotplug_lock write held. Since HK_TYPE_DOMAIN will includeboth isolcpus and cpuset isolated partition, the hotplug lock willsynchronize against concurrent cpuset partition updates.Signed-off-by: Frederic Weisbecker Cc: Marco Crivellari Cc: Michal Hocko Cc: Peter Zijlstra Cc: Tejun Heo Cc: Thomas Gleixner Cc: Waiman Long List of files: /linux/kernel/cpu.c

cc4adab164b772a34b3340d644b7c4728498581e - Merge tag 'v6.19-rc1' into msm-next

Tue, 20 Jan 2026 22:06:55 +0000

Merge tag 'v6.19-rc1' into msm-nextMerge Linux 6.19-rc1 in order to catch up with other changes (e.g. UBWCconfig database defining UBWC_6).Signed-off-by: Dmitry Baryshkov List of files: /linux/kernel/cpu.c

330eb955ea9e7c74e72caadffe39ccc838a66267 - kernel: add SPDX-License-Identifier lines

Tue, 13 Jan 2026 23:44:05 +0000

kernel: add SPDX-License-Identifier linesAdd SPDX-License-Identifier lines to some old kernelfiles.Signed-off-by: Tim Bird Acked-by: Karim Yaghmour Signed-off-by: Greg Kroah-Hartman List of files: /linux/kernel/cpu.c

24f171c7e145f43b9f187578e89b0982ce87e54c - Merge tag 'asoc-fix-v6.19-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

Sun, 21 Dec 2025 10:11:11 +0000

Merge tag 'asoc-fix-v6.19-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linusASoC: Fixes for v6.19We've been quite busy with fixes since the merge window, though not inany particularly exciting ways - the standout thing is the fix for _SXcontrols which were broken by a change to how we do clamping, otherwiseit's all fairly run of the mill fixes and quirks. List of files: /linux/kernel/cpu.c

5add3c3c280a35f7e258e9cef7607db5a2e56fdc - Merge drm/drm-next into drm-xe-next

Fri, 19 Dec 2025 10:51:22 +0000

Merge drm/drm-next into drm-xe-nextBackmerging to bring in 6.19-rc1. An important upstream bugfix andto help unblock PTL CI.Signed-off-by: Thomas Hellström List of files: /linux/kernel/cpu.c

ec439c38013550420aecc15988ae6acb670838c1 - Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after 6.19-rc1

Wed, 17 Dec 2025 05:29:38 +0000

Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after 6.19-rc1Cross-merge BPF and other fixes after downstream PR.Signed-off-by: Alexei Starovoitov List of files: /linux/kernel/cpu.c

b8304863a3990d0f18c38e5b94191830a63ee1af - Merge drm/drm-next into drm-intel-next

Mon, 15 Dec 2025 13:24:02 +0000

Merge drm/drm-next into drm-intel-nextSync-up some display code needed for Async flips refactor.Signed-off-by: Rodrigo Vivi List of files: /linux/kernel/cpu.c