[PATCH v2] perf/smmuv3: Enable HiSilicon Erratum 162001900 quirk for HIP08/09
Will Deacon
will at kernel.org
Tue Aug 15 07:10:50 PDT 2023
On Mon, 14 Aug 2023 20:40:12 +0800, Yicong Yang wrote:
> From: Yicong Yang <yangyicong at hisilicon.com>
>
> Some HiSilicon SMMU PMCG suffers the erratum 162001900 that the PMU
> disable control sometimes fail to disable the counters. This will lead
> to error or inaccurate data since before we enable the counters the
> counter's still counting for the event used in last perf session.
>
> [...]
Applied to will (for-next/perf), thanks!
[1/1] perf/smmuv3: Enable HiSilicon Erratum 162001900 quirk for HIP08/09
https://git.kernel.org/will/c/0242737dc4eb
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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