Re: [PATCH v3 for-4.21 3/9] x86/HPET: replace handle_hpet_broadcast()'s on-stack cpumask_t

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

On 10/27/25 1:25 PM, Jan Beulich wrote:

> On 23.10.2025 17:51, Jan Beulich wrote:
> > With large NR_CPUS on-stack cpumask_t variables are problematic. Now that
> > the IRQ handler can't be invoked in a nested manner anymore, we can
> > instead use a per-CPU variable. While we can't use scratch_cpumask in code
> > invoked from IRQ handlers, simply amend that one with a HPET-special form.
> > (Note that only one of the two IRQ handling functions can come into play
> > at any one time.)
> >
> > Fixes: 996576b965cc ("xen: allow up to 16383 cpus")
> > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> > Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> >       
> Views towards 4.21?
>     
Release-Acked-By: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>

Thanks.

~ Oleksii