On Thu, Aug 20, 2015 at 02:26:13PM +0300, Kirill Tkhai wrote: > Porting commit 1a43a14a5bd9c32dbd7af35e35a5afa703944bcb by Oleg Nesterov: > > finish_task_switch() enables preemption, so post_schedule(rq) can be > called on the wrong (and even dead) CPU. Afaics, nothing really bad > can happen, but in this case we can wrongly clear rq->post_schedule > on that CPU. And this simply looks wrong in any case. > > Signed-off-by: Oleg Nesterov <[email protected]> > Signed-off-by: Peter Zijlstra (Intel) <[email protected]> > Cc: Steven Rostedt <[email protected]> > Cc: Kirill Tkhai <[email protected]> > Cc: Linus Torvalds <[email protected]> > Link: http://lkml.kernel.org/r/[email protected] > Signed-off-by: Ingo Molnar <[email protected]> > Signed-off-by: Kirill Tkhai <[email protected]>
Reviewed-by: Vladimir Davydov <[email protected]> _______________________________________________ Devel mailing list [email protected] https://lists.openvz.org/mailman/listinfo/devel
