arm/arm64: pmu: Distinguish percpu irq and percpu_devid irq
arm_pmu interrupts are maked as PERCPU even when these are not local
physical interrupts to a single CPU. When using non-local interrupts,
interrupts marked as PERCPU will not get freed not disabled properly
by the PMU driver.
Check if interrupts are local to a single CPU with PERCPU_DEVID since
this is what the PMU driver really needs to know.
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Julien Thierry <julien.thierry@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index d14fc2e..7bc5eee 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -539,7 +539,7 @@ void armpmu_free_irq(struct arm_pmu *armpmu, int cpu)
if (!cpumask_test_and_clear_cpu(cpu, &armpmu->active_irqs))
return;
- if (irq_is_percpu(irq)) {
+ if (irq_is_percpu_devid(irq)) {
free_percpu_irq(irq, &hw_events->percpu_pmu);
cpumask_clear(&armpmu->active_irqs);
return;
@@ -565,10 +565,10 @@ int armpmu_request_irq(struct arm_pmu *armpmu, int cpu)
if (!irq)
return 0;
- if (irq_is_percpu(irq) && cpumask_empty(&armpmu->active_irqs)) {
+ 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(irq)) {
+ } 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);
@@ -649,7 +649,7 @@ static int arm_perf_starting_cpu(unsigned int cpu, struct hlist_node *node)
irq = armpmu_get_cpu_irq(pmu, cpu);
if (irq) {
- if (irq_is_percpu(irq)) {
+ if (irq_is_percpu_devid(irq)) {
enable_percpu_irq(irq, IRQ_TYPE_NONE);
return 0;
}
@@ -667,7 +667,7 @@ static int arm_perf_teardown_cpu(unsigned int cpu, struct hlist_node *node)
return 0;
irq = armpmu_get_cpu_irq(pmu, cpu);
- if (irq && irq_is_percpu(irq))
+ if (irq && irq_is_percpu_devid(irq))
disable_percpu_irq(irq);
return 0;