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| author | Marco Crivellari <marco.crivellari@suse.com> | 2025-09-16 10:29:05 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-09-19 16:15:07 +0200 |
| commit | 4ef64db060619be040351e3960e151e5fef3f895 (patch) | |
| tree | 034d3698cec60ac633b5d06f16260caf14605e22 /tools/perf/scripts/python/syscall-counts.py | |
| parent | 7a4f92d39f66f890cbb157dd4d7daf6a9298324a (diff) | |
| download | kernel-4ef64db060619be040351e3960e151e5fef3f895.tar.gz | |
fs: replace use of system_wq with system_percpu_wq
Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistentcy cannot be addressed without refactoring the API.
system_wq is a per-CPU worqueue, yet nothing in its name tells about that
CPU affinity constraint, which is very often not required by users.
Make it clear by adding a system_percpu_wq to all the fs subsystem.
The old wq will be kept for a few release cylces.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Link: https://lore.kernel.org/20250916082906.77439-3-marco.crivellari@suse.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions