diff options
Diffstat (limited to 'arch/loongarch/kernel/perf_event.c')
| -rw-r--r-- | arch/loongarch/kernel/perf_event.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/arch/loongarch/kernel/perf_event.c b/arch/loongarch/kernel/perf_event.c index 0491bf453cd4..8ad098703488 100644 --- a/arch/loongarch/kernel/perf_event.c +++ b/arch/loongarch/kernel/perf_event.c @@ -456,16 +456,6 @@ static void loongarch_pmu_disable(struct pmu *pmu) static DEFINE_MUTEX(pmu_reserve_mutex); static atomic_t active_events = ATOMIC_INIT(0); -static int get_pmc_irq(void) -{ - struct irq_domain *d = irq_find_matching_fwnode(cpuintc_handle, DOMAIN_BUS_ANY); - - if (d) - return irq_create_mapping(d, INT_PCOV); - - return -EINVAL; -} - static void reset_counters(void *arg); static int __hw_perf_event_init(struct perf_event *event); @@ -473,7 +463,7 @@ static void hw_perf_event_destroy(struct perf_event *event) { if (atomic_dec_and_mutex_lock(&active_events, &pmu_reserve_mutex)) { on_each_cpu(reset_counters, NULL, 1); - free_irq(get_pmc_irq(), &loongarch_pmu); + free_irq(get_percpu_irq(INT_PCOV), &loongarch_pmu); mutex_unlock(&pmu_reserve_mutex); } } @@ -489,8 +479,7 @@ static void handle_associated_event(struct cpu_hw_events *cpuc, int idx, if (!loongarch_pmu_event_set_period(event, hwc, idx)) return; - if (perf_event_overflow(event, data, regs)) - loongarch_pmu_disable_event(idx); + perf_event_overflow(event, data, regs); } static irqreturn_t pmu_handle_irq(int irq, void *dev) @@ -562,7 +551,7 @@ static int loongarch_pmu_event_init(struct perf_event *event) if (event->cpu >= 0 && !cpu_online(event->cpu)) return -ENODEV; - irq = get_pmc_irq(); + irq = get_percpu_irq(INT_PCOV); flags = IRQF_PERCPU | IRQF_NOBALANCING | IRQF_NO_THREAD | IRQF_NO_SUSPEND | IRQF_SHARED; if (!atomic_inc_not_zero(&active_events)) { mutex_lock(&pmu_reserve_mutex); @@ -884,4 +873,4 @@ static int __init init_hw_perf_events(void) return 0; } -early_initcall(init_hw_perf_events); +pure_initcall(init_hw_perf_events); |