On Thu, Jan 14, 2021 at 11:46:06AM +, Chris Wilson wrote:
> Quoting Frederic Weisbecker (2021-01-09 02:05:34)
> > +void noinstr sched_resched_local_assert_allowed(void)
> > +{
> > + if (this_rq()->resched_local_allow)
> > + return;
> > +
> > + /*
> > +* Idle in
On Mon, Jan 11, 2021 at 01:25:59PM +0100, Peter Zijlstra wrote:
> On Sat, Jan 09, 2021 at 03:05:34AM +0100, Frederic Weisbecker wrote:
> > The idle loop has several need_resched() checks that make sure we don't
> > miss a rescheduling request. This means that any wake up performed on
> > the local
On Sat, Jan 09, 2021 at 03:05:34AM +0100, Frederic Weisbecker wrote:
> The idle loop has several need_resched() checks that make sure we don't
> miss a rescheduling request. This means that any wake up performed on
> the local runqueue after the last generic need_resched() check is going
> to have
The idle loop has several need_resched() checks that make sure we don't
miss a rescheduling request. This means that any wake up performed on
the local runqueue after the last generic need_resched() check is going
to have its rescheduling silently ignored. This has happened in the
past with rcu kth
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