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Re: [PATCH 09/12] x86/irq: convert cpumask parameter to integer in {,p}irq_set_affinity()
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 24 Nov 2025 12:20:10 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 24 Nov 2025 11:20:11 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 20.11.2025 10:58, Roger Pau Monne wrote:
> Existing callers where already generating the passed cpumask using
> cpumask_of() to contain a single target CPU. Reduce complexity by passing
> the single target CPU as an integer parameter.
>
> No functional change intended.
>
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> ---
> The function names are misleading, as {,p}irq_set_affinity() doesn't adjust
> the affinity of the interrupt (desc->affinity) but the interrupt target
> itself. Further cleanup might be helpful to correctly differentiate
> between setting interrupt affinity vs setting interrupt target.
Indeed, I wanted to mention this as well. As you touch all callers anyway,
how about doing a rename (whether to "target" or "binding" or yet something
else) right here?
Jan
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