Messages in this thread | | | From | Ian Rogers <> | Date | Mon, 10 Jul 2023 09:09:01 -0700 | Subject | Re: [PATCH 4/4] perf: Remove unused PERF_PMU_CAP_HETEROGENEOUS_CPUS capability |
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On Mon, Jul 10, 2023 at 5:22 AM James Clark <james.clark@arm.com> wrote: > > Since commit bd2756811766 ("perf: Rewrite core context handling") the > relationship between perf_event_context and PMUs has changed so that > the error scenario that PERF_PMU_CAP_HETEROGENEOUS_CPUS originally > silenced no longer exists. > > Remove the capability to avoid confusion that it actually influences > any perf core behavior. This change should be a no-op. > > Signed-off-by: James Clark <james.clark@arm.com>
Acked-by: Ian Rogers <irogers@google.com>
Thanks, Ian
> --- > include/linux/perf_event.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h > index d5628a7b5eaa..3f4d941fd6c5 100644 > --- a/include/linux/perf_event.h > +++ b/include/linux/perf_event.h > @@ -288,7 +288,7 @@ struct perf_event_pmu_context; > #define PERF_PMU_CAP_EXTENDED_REGS 0x0008 > #define PERF_PMU_CAP_EXCLUSIVE 0x0010 > #define PERF_PMU_CAP_ITRACE 0x0020 > -#define PERF_PMU_CAP_HETEROGENEOUS_CPUS 0x0040 > +/* Unused 0x0040 */ > #define PERF_PMU_CAP_NO_EXCLUDE 0x0080 > #define PERF_PMU_CAP_AUX_OUTPUT 0x0100 > #define PERF_PMU_CAP_EXTENDED_HW_TYPE 0x0200 > -- > 2.34.1 >
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