diff options
Diffstat (limited to 'arch/arm/kernel/perf_event_v7.c')
| -rw-r--r-- | arch/arm/kernel/perf_event_v7.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c index 973043dd6187..a4fb0f8b8f84 100644 --- a/arch/arm/kernel/perf_event_v7.c +++ b/arch/arm/kernel/perf_event_v7.c @@ -1058,6 +1058,12 @@ static int armv7pmu_get_event_idx(struct pmu_hw_events *cpuc, return -EAGAIN; } +static void armv7pmu_clear_event_idx(struct pmu_hw_events *cpuc, + struct perf_event *event) +{ + clear_bit(event->hw.idx, cpuc->used_mask); +} + /* * Add an event filter to a given event. This will only work for PMUv2 PMUs. */ @@ -1167,6 +1173,7 @@ static void armv7pmu_init(struct arm_pmu *cpu_pmu) cpu_pmu->read_counter = armv7pmu_read_counter; cpu_pmu->write_counter = armv7pmu_write_counter; cpu_pmu->get_event_idx = armv7pmu_get_event_idx; + cpu_pmu->clear_event_idx = armv7pmu_clear_event_idx; cpu_pmu->start = armv7pmu_start; cpu_pmu->stop = armv7pmu_stop; cpu_pmu->reset = armv7pmu_reset; @@ -1637,6 +1644,7 @@ static void krait_pmu_clear_event_idx(struct pmu_hw_events *cpuc, bool venum_event = EVENT_VENUM(hwc->config_base); bool krait_event = EVENT_CPU(hwc->config_base); + armv7pmu_clear_event_idx(cpuc, event); if (venum_event || krait_event) { bit = krait_event_to_bit(event, region, group); clear_bit(bit, cpuc->used_mask); @@ -1966,6 +1974,7 @@ static void scorpion_pmu_clear_event_idx(struct pmu_hw_events *cpuc, bool venum_event = EVENT_VENUM(hwc->config_base); bool scorpion_event = EVENT_CPU(hwc->config_base); + armv7pmu_clear_event_idx(cpuc, event); if (venum_event || scorpion_event) { bit = scorpion_event_to_bit(event, region, group); clear_bit(bit, cpuc->used_mask); |