Re: [PATCH 0/7] arm64: dts: Drop CPU masks from GICv3 PPI interrupts

Geert Uytterhoeven
2026-03-05T09:56:08Z

Hi Konrad,

On Thu, 5 Mar 2026 at 10:33, Konrad Dybcio
<konrad.dybcio@oss.qualcomm.com> wrote:
> On 3/4/26 6:10 PM, Geert Uytterhoeven wrote:
> > Unlike older GIC variants, the GICv3 DT bindings do not support
> > specifying a CPU mask in PPI interrupt specifiers. Hence this patch
> > series drop all such masks where they are still present.
>
> I'm having trouble finding where that's used on pre-v3 even.. does
> that actually get processed on the older iterations?

I had noticed the same, and had asked maz on IRC.
His answer:

"so far, we have never seen a GICv{1,2} system that didn't have all
of its PPIs
connected to the same set of devices."

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds