[PATCH 04/36] cpuidle,intel_idle: Fix CPUIDLE_FLAG_IRQ_ENABLE

[Peter Zijlstra]

On Wed, Jun 08, 2022 at 05:01:05PM +0200, Rafael J. Wysocki wrote:
> On Wed, Jun 8, 2022 at 4:47 PM Peter Zijlstra <peterz at infradead.org> wrote:
> >
> > Commit c227233ad64c ("intel_idle: enable interrupts before C1 on
> > Xeons") wrecked intel_idle in two ways:
> >
> >  - must not have tracing in idle functions
> >  - must return with IRQs disabled
> >
> > Additionally, it added a branch for no good reason.
> >
> > Fixes: c227233ad64c ("intel_idle: enable interrupts before C1 on Xeons")
> > Signed-off-by: Peter Zijlstra (Intel) <peterz at infradead.org>
> 
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki at intel.com>
> 
> And do I think correctly that this can be applied without the rest of
> the series?

Yeah, I don't think this relies on any of the preceding patches. If you
want to route this through the pm/fixes tree that's fine.

Thanks!