From: Frederic Weisbecker <frederic@kernel.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>,
"David S . Miller" <davem@davemloft.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Ingo Molnar <mingo@redhat.com>, Jakub Kicinski <kuba@kernel.org>,
Marco Crivellari <marco.crivellari@suse.com>,
Michal Hocko <mhocko@suse.com>,
cgroups@vger.kernel.org, Shakeel Butt <shakeel.butt@linux.dev>,
Catalin Marinas <catalin.marinas@arm.com>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Will Deacon <will@kernel.org>, Simon Horman <horms@kernel.org>,
Michal Koutny <mkoutny@suse.com>,
Andrew Morton <akpm@linux-foundation.org>,
Gabriele Monaco <gmonaco@redhat.com>,
linux-pci@vger.kernel.org, linux-mm@kvack.org,
Johannes Weiner <hannes@cmpxchg.org>,
Chen Ridong <chenridong@huawei.com>,
Thomas Gleixner <tglx@linutronix.de>,
Muchun Song <muchun.song@linux.dev>, Tejun Heo <tj@kernel.org>,
Waiman Long <longman@redhat.com>,
Roman Gushchin <roman.gushchin@linux.dev>,
Vlastimil Babka <vbabka@suse.cz>,
linux-arm-kernel@lists.infradead.org,
Jens Axboe <axboe@kernel.dk>, Paolo Abeni <pabeni@redhat.com>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Eric Dumazet <edumazet@google.com>,
Danilo Krummrich <dakr@kernel.org>, Phil Auld <pauld@redhat.com>,
linux-block@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
netdev@vger.kernel.org
Subject: [PATCH 00/33 v7] cpuset/isolation: Honour kthreads preferred affinity
Date: Sun, 25 Jan 2026 23:45:07 +0100 [thread overview]
Message-ID: <20260125224541.50226-1-frederic@kernel.org> (raw)
Hi,
Here is just a few changes sinces v6:
- More tags
- Fix raw access to __rcu pointer (Simon Horman, Waiman)
- Fix cpu_hotplug_lock deadlock and use correct static branch API
(Chen Ridong)
- Fix a few changelogs that got the set rules between HK_TYPE_DOMAIN
HL_TYPE_KERNEL_NOISE wrong.
- Simplify arm64 mismatched 32 bits support (Will Deacon)
If all goes well, my plan is to make the pull request myself for the
upcoming merge window.
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
kthread/core-v7
HEAD: dcbe41f43e2cb32fbdbaf73b7745739e018b35dc
Thanks,
Frederic
---
Frederic Weisbecker (33):
PCI: Prepare to protect against concurrent isolated cpuset change
cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug"
memcg: Prepare to protect against concurrent isolated cpuset change
mm: vmstat: Prepare to protect against concurrent isolated cpuset change
sched/isolation: Save boot defined domain flags
cpuset: Convert boot_hk_cpus to use HK_TYPE_DOMAIN_BOOT
driver core: cpu: Convert /sys/devices/system/cpu/isolated to use HK_TYPE_DOMAIN_BOOT
net: Keep ignoring isolated cpuset change
block: Protect against concurrent isolated cpuset change
timers/migration: Prevent from lockdep false positive warning
cpu: Provide lockdep check for CPU hotplug lock write-held
cpuset: Provide lockdep check for cpuset lock held
sched/isolation: Convert housekeeping cpumasks to rcu pointers
cpuset: Update HK_TYPE_DOMAIN cpumask from cpuset
sched/isolation: Flush memcg workqueues on cpuset isolated partition change
sched/isolation: Flush vmstat workqueues on cpuset isolated partition change
PCI: Flush PCI probe workqueue on cpuset isolated partition change
cpuset: Propagate cpuset isolation update to workqueue through housekeeping
cpuset: Propagate cpuset isolation update to timers through housekeeping
timers/migration: Remove superfluous cpuset isolation test
cpuset: Remove cpuset_cpu_is_isolated()
sched/isolation: Remove HK_TYPE_TICK test from cpu_is_isolated()
PCI: Remove superfluous HK_TYPE_WQ check
kthread: Refine naming of affinity related fields
kthread: Include unbound kthreads in the managed affinity list
kthread: Include kthreadd to the managed affinity list
kthread: Rely on HK_TYPE_DOMAIN for preferred affinity management
sched: Switch the fallback task allowed cpumask to HK_TYPE_DOMAIN
sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN
kthread: Honour kthreads preferred affinity after cpuset changes
kthread: Comment on the purpose and placement of kthread_affine_node() call
kthread: Document kthread_affine_preferred()
doc: Add housekeeping documentation
Documentation/arch/arm64/asymmetric-32bit.rst | 12 +-
Documentation/core-api/housekeeping.rst | 111 ++++++++++++++++++
Documentation/core-api/index.rst | 1 +
arch/arm64/kernel/cpufeature.c | 6 +-
block/blk-mq.c | 6 +-
drivers/base/cpu.c | 2 +-
drivers/pci/pci-driver.c | 71 +++++++++---
include/linux/cpuhplock.h | 1 +
include/linux/cpuset.h | 8 +-
include/linux/kthread.h | 1 +
include/linux/memcontrol.h | 4 +
include/linux/mmu_context.h | 2 +-
include/linux/pci.h | 3 +
include/linux/percpu-rwsem.h | 1 +
include/linux/sched/isolation.h | 16 ++-
include/linux/vmstat.h | 2 +
include/linux/workqueue.h | 2 +-
init/Kconfig | 1 +
kernel/cgroup/cpuset.c | 53 +++------
kernel/cpu.c | 42 +++----
kernel/kthread.c | 160 +++++++++++++++++---------
kernel/sched/isolation.c | 145 ++++++++++++++++++-----
kernel/sched/sched.h | 4 +
kernel/time/timer_migration.c | 25 ++--
kernel/workqueue.c | 17 +--
mm/memcontrol.c | 31 ++++-
mm/vmstat.c | 15 ++-
net/core/net-sysfs.c | 2 +-
28 files changed, 538 insertions(+), 206 deletions(-)
next reply other threads:[~2026-01-25 22:45 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-25 22:45 Frederic Weisbecker [this message]
2026-01-25 22:45 ` [PATCH 01/33] PCI: Prepare to protect against concurrent isolated cpuset change Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 02/33] cpu: Revert "cpu/hotplug: Prevent self deadlock on CPU hot-unplug" Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 03/33] memcg: Prepare to protect against concurrent isolated cpuset change Frederic Weisbecker
2026-01-26 16:41 ` Michal Hocko
2026-01-27 12:45 ` Frederic Weisbecker
2026-01-28 8:45 ` Michal Hocko
2026-01-28 11:27 ` Frederic Weisbecker
2026-01-28 21:18 ` Michal Hocko
2026-01-28 21:18 ` Michal Hocko
2026-01-25 22:45 ` [PATCH 04/33] mm: vmstat: " Frederic Weisbecker
2026-01-28 21:18 ` Michal Hocko
2026-01-25 22:45 ` [PATCH 05/33] sched/isolation: Save boot defined domain flags Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 06/33] cpuset: Convert boot_hk_cpus to use HK_TYPE_DOMAIN_BOOT Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 07/33] driver core: cpu: Convert /sys/devices/system/cpu/isolated " Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 08/33] net: Keep ignoring isolated cpuset change Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 09/33] block: Protect against concurrent " Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 10/33] timers/migration: Prevent from lockdep false positive warning Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 11/33] cpu: Provide lockdep check for CPU hotplug lock write-held Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 12/33] cpuset: Provide lockdep check for cpuset lock held Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 13/33] sched/isolation: Convert housekeeping cpumasks to rcu pointers Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 14/33] cpuset: Update HK_TYPE_DOMAIN cpumask from cpuset Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 15/33] sched/isolation: Flush memcg workqueues on cpuset isolated partition change Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 16/33] sched/isolation: Flush vmstat " Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 17/33] PCI: Flush PCI probe workqueue " Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 18/33] cpuset: Propagate cpuset isolation update to workqueue through housekeeping Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 19/33] cpuset: Propagate cpuset isolation update to timers " Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 20/33] timers/migration: Remove superfluous cpuset isolation test Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 21/33] cpuset: Remove cpuset_cpu_is_isolated() Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 22/33] sched/isolation: Remove HK_TYPE_TICK test from cpu_is_isolated() Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 23/33] PCI: Remove superfluous HK_TYPE_WQ check Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 24/33] kthread: Refine naming of affinity related fields Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 25/33] kthread: Include unbound kthreads in the managed affinity list Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 26/33] kthread: Include kthreadd to " Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 27/33] kthread: Rely on HK_TYPE_DOMAIN for preferred affinity management Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 28/33] sched: Switch the fallback task allowed cpumask to HK_TYPE_DOMAIN Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 29/33] sched/arm64: Move fallback task " Frederic Weisbecker
2026-01-26 13:52 ` Will Deacon
2026-01-25 22:45 ` [PATCH 30/33] kthread: Honour kthreads preferred affinity after cpuset changes Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 31/33] kthread: Comment on the purpose and placement of kthread_affine_node() call Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 32/33] kthread: Document kthread_affine_preferred() Frederic Weisbecker
2026-01-25 22:45 ` [PATCH 33/33] doc: Add housekeeping documentation Frederic Weisbecker
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