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SubjectRe: [PATCH RT v2 2/3] sched: migrate_enable: Use sleeping_lock to indicate involuntary sleep
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On Wed, 2019-08-21 at 16:35 -0700, Paul E. McKenney wrote:
> On Wed, Aug 21, 2019 at 06:19:05PM -0500, Scott Wood wrote:
> > Without this, rcu_note_context_switch() will complain if an RCU read
> > lock is held when migrate_enable() calls stop_one_cpu().
> >
> > Signed-off-by: Scott Wood <swood@redhat.com>
>
> I have to ask... Both sleeping_lock_inc() and sleeping_lock_dec() are
> no-ops if not CONFIG_PREEMPT_RT_BASE?

Yes.

-Scott


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