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(parent: 86fbcd3) | patch
sched: Deny self-issued __set_cpus_allowed_ptr() when migrate_disable()
authorValentin Schneider <valentin.schneider@arm.com>
Tue, 13 Oct 2020 14:01:15 +0000 (15:01 +0100)
committerPeter Zijlstra <peterz@infradead.org>
Tue, 10 Nov 2020 17:39:02 +0000 (18:39 +0100)
commit885b3ba47aa5cc16550beb8a42181ad5e8302ceb
tree9e98ff4b31323748169fb1f43fb4093ff91bdd34tree
parent86fbcd3b4ba2c3e19daf705bc13d90fb53aab648commit | diff
sched: Deny self-issued __set_cpus_allowed_ptr() when migrate_disable()

  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
kernel/sched/core.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)