Re: [PATCH v5 04/24] cpumask: Introduce cpu_preferred_mask

[Peter Zijlstra]

On Fri, Jun 26, 2026 at 11:39:01AM +0200, Peter Zijlstra wrote:
> On Thu, Jun 25, 2026 at 06:16:28PM +0530, Shrikanth Hegde wrote:
> 
> > diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
> > index 80211900f373..5a643d608ea6 100644
> > --- a/include/linux/cpumask.h
> > +++ b/include/linux/cpumask.h
> > @@ -120,12 +120,20 @@ extern struct cpumask __cpu_enabled_mask;
> >  extern struct cpumask __cpu_present_mask;
> >  extern struct cpumask __cpu_active_mask;
> >  extern struct cpumask __cpu_dying_mask;
> > +
> > +#ifdef CONFIG_PREFERRED_CPU
> > +extern struct cpumask __cpu_preferred_mask;
> > +#else
> > +#define __cpu_preferred_mask __cpu_active_mask
> > +#endif
> 
> This is cure, but does it not result in set_cpu_preferred() changing
s/cure/cute/
> active mask, and it that not somewhat unexpected behaviour?
s/it/is/

Typing hard, clearly. Also hitting 30C before noon :-(