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Message-Id: <20250506164740.1317237-9-kan.liang@linux.intel.com> Date: Tue, 6 May 2025 09:47:33 -0700 From: kan.liang@...ux.intel.com To: peterz@...radead.org, mingo@...hat.com, namhyung@...nel.org, irogers@...gle.com, mark.rutland@....com, linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org Cc: eranian@...gle.com, ctshao@...gle.com, tmricht@...ux.ibm.com, Kan Liang <kan.liang@...ux.intel.com>, Oliver Upton <oliver.upton@...ux.dev> Subject: [RFC PATCH 08/15] perf/apple_m1: Remove driver-specific throttle support From: Kan Liang <kan.liang@...ux.intel.com> The throttle support has been added in the generic code. Remove the driver-specific throttle support. Besides the throttle, perf_event_overflow may return true because of event_limit. It already does an inatomic event disable. The pmu->stop is not required either. Signed-off-by: Kan Liang <kan.liang@...ux.intel.com> Cc: Oliver Upton <oliver.upton@...ux.dev> --- drivers/perf/apple_m1_cpu_pmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pmu.c index df9a28ba69dc..81b6f1a62349 100644 --- a/drivers/perf/apple_m1_cpu_pmu.c +++ b/drivers/perf/apple_m1_cpu_pmu.c @@ -474,8 +474,7 @@ static irqreturn_t m1_pmu_handle_irq(struct arm_pmu *cpu_pmu) if (!armpmu_event_set_period(event)) continue; - if (perf_event_overflow(event, &data, regs)) - m1_pmu_disable_event(event); + perf_event_overflow(event, &data, regs); } cpu_pmu->start(cpu_pmu); -- 2.38.1
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