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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Jun 8, 2022 at 5:48 PM Peter Zijlstra <peterz@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx>
> >
> > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> >
> > 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).



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Kernel Development]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Info]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Linux Media]     [Device Mapper]

  Powered by Linux