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SubjectRe: [PATCH 1/2] arm_pmu: fix event CPU filtering
On Thu, Feb 16, 2023 at 03:13:11PM +0000, Mark Rutland wrote:
> On Thu, Feb 16, 2023 at 03:35:19PM +0100, Janne Grunau wrote:
> > On 2023-02-16 14:12:38 +0000, Mark Rutland wrote:
> > > Fix the CPU filtering by performing this consistently in
> > > armpmu_filter(), and remove the redundant arm_pmu::filter() callback and
> > > armv8pmu_filter() implementation.
> > >
> > > Commit bd2756811766 also silently removed the CHAIN event filtering from
> > > armv8pmu_filter(), which will be addressed by a separate patch without
> > > using the filter callback.
>
> [...]
>
> > This works as well. I limited the patch to the minimal fix this
> > this late in the cycle.
>
> I did appreciate that you'd made the effort for the minimal fix; had the issue
> with CHAIN events not existed I would have acked that as-is and done the
> simplification later. Given the CHAIN issue and given the simplification make
> the code "obviously correct" I think it's preferable to do both bits now.
>
> > Tested-by: Janne Grunau <j@jannau.net>
>
> Thanks!
>
> Hopefully Will or Peter can pick this up shortly; I'm assuming that Will can
> take this via the arm64 tree.

I'll grab 'em.

Will

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