From 141fedea798f3a89d791ff2eef3c6afd4906dcb7 Mon Sep 17 00:00:00 2001 From: Kan Liang Date: Tue, 20 May 2025 11:16:40 -0700 Subject: [PATCH] csky/perf: Remove driver-specific throttle support 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 Signed-off-by: Peter Zijlstra (Intel) Acked-by: Guo Ren Link: https://lore.kernel.org/r/20250520181644.2673067-13-kan.liang@linux.intel.com --- arch/csky/kernel/perf_event.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/csky/kernel/perf_event.c b/arch/csky/kernel/perf_event.c index e5f18420ce64..e0a36acd265b 100644 --- a/arch/csky/kernel/perf_event.c +++ b/arch/csky/kernel/perf_event.c @@ -1139,8 +1139,7 @@ static irqreturn_t csky_pmu_handle_irq(int irq_num, void *dev) perf_sample_data_init(&data, 0, hwc->last_period); csky_pmu_event_set_period(event); - if (perf_event_overflow(event, &data, regs)) - csky_pmu_stop_event(event); + perf_event_overflow(event, &data, regs); } csky_pmu_enable(&csky_pmu.pmu); -- 2.50.1