diff options
Diffstat (limited to 'drivers/perf/arm_pmu.c')
| -rw-r--r-- | drivers/perf/arm_pmu.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 4f73c5e8d623..ddcabd6a5d52 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -543,19 +543,7 @@ int armpmu_request_irq(struct arm_pmu *armpmu, int cpu) if (!irq) return 0; - if (irq_is_percpu_devid(irq) && cpumask_empty(&armpmu->active_irqs)) { - err = request_percpu_irq(irq, handler, "arm-pmu", - &hw_events->percpu_pmu); - } else if (irq_is_percpu_devid(irq)) { - int other_cpu = cpumask_first(&armpmu->active_irqs); - int other_irq = per_cpu(hw_events->irq, other_cpu); - - if (irq != other_irq) { - pr_warn("mismatched PPIs detected.\n"); - err = -EINVAL; - goto err_out; - } - } else { + if (!irq_is_percpu_devid(irq)) { unsigned long irq_flags; err = irq_force_affinity(irq, cpumask_of(cpu)); @@ -572,6 +560,9 @@ int armpmu_request_irq(struct arm_pmu *armpmu, int cpu) err = request_irq(irq, handler, irq_flags, "arm-pmu", per_cpu_ptr(&hw_events->percpu_pmu, cpu)); + } else if (cpumask_empty(&armpmu->active_irqs)) { + err = request_percpu_irq(irq, handler, "arm-pmu", + &hw_events->percpu_pmu); } if (err) |