Re: [PATCH] sched: fix BUG in preempt_notifier

From: Ingo Molnar
Date: Wed Jul 01 2015 - 03:24:02 EST



* cfme_admin <cfme_admin@xxxxxxx> wrote:

> more information about the bug is below:
> https://bugzilla.kernel.org/show_bug.cgi?id=100701
>
> the preempt_notifier_unregister function is run in_atomic context, but static_key_slow_dec function may cause sleep.

This bug should already be fixed by this pending commit:

6efde1d3716b ("sched/preempt, kvm: Fix KVM preempt_notifier usage")

Attached below.

Thanks,

Ingo

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