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SubjectRe: task blocked for more than 120 seconds
On (11/04/10 18:32), Peter Zijlstra wrote:
> Subject: sched: Fixup cross sched_class wakeup preemption
> From: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Date: Sun Oct 31 12:37:04 CET 2010
>
> Instead of dealing with sched classes inside each check_preempt_curr()
> implementation, pull out this logic into the generic wakeup preemption
> path.
>
> This fixes a hang in KVM (and others) where we are waiting for the
> stop machine thread to run..
>

Hello,

Peter, patch seems to work.


Tested-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>


Sergey
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