sched: Deny self-issued __set_cpus_allowed_ptr() when migrate_disable()

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migrate_disable();
  set_cpus_allowed_ptr(current, {something excluding task_cpu(current)});
  affine_move_task(); <-- never returns

Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20201013140116.26651-1-valentin.schneider@arm.com

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Valentin Schneider 2020-10-13 15:01:15 +01:00 • committed by Peter Zijlstra

parent 86fbcd3b4b

commit 885b3ba47a

1 changed files with 11 additions and 2 deletions

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kernel/sched/core.c

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