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

Konrad Dybcio
2026-03-05T10:02:20Z

On 3/5/26 10:55 AM, Geert Uytterhoeven wrote:
> 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."

lol, that's fun!

Konrad