sched: Always preserve the user requested cpumask

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Unconditionally preserve the user requested cpumask on
sched_setaffinity() calls. This allows using it outside of the fairly
narrow restrict_cpus_allowed_ptr() use-case and fix some cpuset issues
that currently suffer destruction of cpumasks.

Signed-off-by: Waiman Long <longman@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220922180041.1768141-3-longman@redhat.com

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Waiman Long 2022-09-22 14:00:38 -04:00 • committed by Peter Zijlstra

parent 713a2e21a5

commit 8f9ea86fdf

2 changed files with 72 additions and 55 deletions

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119

kernel/sched/core.c

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8

kernel/sched/sched.h

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