[PATCH] perf/arm-cmn: Fix DTC reset
Will Deacon
will at kernel.org
Fri Apr 14 05:42:40 PDT 2023
Hi Geoff,
On Thu, Apr 06, 2023 at 04:25:39PM -0500, Geoff Blake wrote:
> Ran this patch on an AWS C6g.metal and unfortunately still see the
> spurious IRQs trigger quickly (within 10 tries) when using the following
> flow:
>
> perf stat -a -e arm_cmn_0/event=0x5,type=0x5/ -- sleep 600
> kexec -e
>
> Adding in the simple shutdown routine, I have run over 100 of the
> above cycles and the spurious IRQs haven't triggered. I think we still
> need both for now.
Does that mean you're happy for me to queue this change as-is?
Will
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