workqueue: add cmdline parameter workqueue.unbound_cpus to further constrain wq_unbound_cpumask at boot time

Browse source

Motivation of doing this is to better improve boot times for devices when
we want to prevent our workqueue works from running on some specific CPUs,
e,g, some CPUs are busy with interrupts.

Signed-off-by: tiozhang <tiozhang@didiglobal.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

...

This commit is contained in:

tiozhang 2023-06-29 11:50:50 +08:00 • committed by Tejun Heo

parent 20bdedafd2

commit ace3c5499e

2 changed files with 24 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

7

Documentation/admin-guide/kernel-parameters.txt

View file

17

kernel/workqueue.c

View file