Re: [PATCH] intel_idle: Fix uninitialized variable bug

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On Thu, Jun 25, 2020 at 11:05 AM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
>
> On Wed, Jun 24, 2020 at 03:41:05PM +0200, Rafael J. Wysocki wrote:
> > On Wed, Jun 24, 2020 at 3:19 PM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> > >
> > > The "tick" variable isn't initialized if "lapic_timer_always_reliable"
> > > is true.
> >
> > If lapic_timer_always_reliable is true, then
> > static_cpu_has(X86_FEATURE_ARAT) must also be true AFAICS.
> >
> > So the lapic_timer_always_reliable check in there looks redundant.
>
> Can the lapic_timer_always_reliable variable just be removed entirely
> and replaced with an static_cpu_has(X86_FEATURE_ARAT) check?

Yes, it can.

See https://patchwork.kernel.org/patch/11623309/

Thanks!



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