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Message-ID: <CAJZ5v0hFfhxjp5cVNz+JSWcWx5ga1cDccmsqKAVgxp-JWs9upg@mail.gmail.com>
Date: Wed, 8 Jun 2022 18:08:37 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Peter Zijlstra <peterz@...radead.org>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, rth@...ddle.net,
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Subject: Re: [PATCH 04/36] cpuidle,intel_idle: Fix CPUIDLE_FLAG_IRQ_ENABLE
On Wed, Jun 8, 2022 at 5:48 PM Peter Zijlstra <peterz@...radead.org> wrote:
>
> 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@...radead.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@...radead.org>
> >
> > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.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.
OK, thanks, applied (and I moved the intel_idle() kerneldoc so it is
next to the function to avoid the docs build warning).
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