diff options
Diffstat (limited to 'drivers/perf/arm_pmu.c')
| -rw-r--r-- | drivers/perf/arm_pmu.c | 36 |
1 files changed, 10 insertions, 26 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 3f07df5a7e95..9b593f985805 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -514,9 +514,6 @@ static int armpmu_event_init(struct perf_event *event) if (has_branch_stack(event)) return -EOPNOTSUPP; - if (armpmu->map_event(event) == -ENOENT) - return -ENOENT; - return __hw_perf_event_init(event); } @@ -550,15 +547,14 @@ static void armpmu_disable(struct pmu *pmu) * microarchitecture, and aren't suitable for another. Thus, only match CPUs of * the same microarchitecture. */ -static int armpmu_filter_match(struct perf_event *event) +static bool armpmu_filter(struct pmu *pmu, int cpu) { - struct arm_pmu *armpmu = to_arm_pmu(event->pmu); - unsigned int cpu = smp_processor_id(); - int ret; + struct arm_pmu *armpmu = to_arm_pmu(pmu); + bool ret; ret = cpumask_test_cpu(cpu, &armpmu->supported_cpus); - if (ret && armpmu->filter_match) - return armpmu->filter_match(event); + if (ret && armpmu->filter) + return armpmu->filter(pmu, cpu); return ret; } @@ -861,16 +857,16 @@ static void cpu_pmu_destroy(struct arm_pmu *cpu_pmu) &cpu_pmu->node); } -static struct arm_pmu *__armpmu_alloc(gfp_t flags) +struct arm_pmu *armpmu_alloc(void) { struct arm_pmu *pmu; int cpu; - pmu = kzalloc(sizeof(*pmu), flags); + pmu = kzalloc(sizeof(*pmu), GFP_KERNEL); if (!pmu) goto out; - pmu->hw_events = alloc_percpu_gfp(struct pmu_hw_events, flags); + pmu->hw_events = alloc_percpu_gfp(struct pmu_hw_events, GFP_KERNEL); if (!pmu->hw_events) { pr_info("failed to allocate per-cpu PMU data.\n"); goto out_free_pmu; @@ -885,14 +881,13 @@ static struct arm_pmu *__armpmu_alloc(gfp_t flags) .start = armpmu_start, .stop = armpmu_stop, .read = armpmu_read, - .filter_match = armpmu_filter_match, + .filter = armpmu_filter, .attr_groups = pmu->attr_groups, /* * This is a CPU PMU potentially in a heterogeneous * configuration (e.g. big.LITTLE). This is not an uncore PMU, * and we have taken ctx sharing into account (e.g. with our - * pmu::filter_match callback and pmu::event_init group - * validation). + * pmu::filter callback and pmu::event_init group validation). */ .capabilities = PERF_PMU_CAP_HETEROGENEOUS_CPUS | PERF_PMU_CAP_EXTENDED_REGS, }; @@ -916,17 +911,6 @@ out: return NULL; } -struct arm_pmu *armpmu_alloc(void) -{ - return __armpmu_alloc(GFP_KERNEL); -} - -struct arm_pmu *armpmu_alloc_atomic(void) -{ - return __armpmu_alloc(GFP_ATOMIC); -} - - void armpmu_free(struct arm_pmu *pmu) { free_percpu(pmu->hw_events); |