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-rw-r--r--drivers/perf/arm_pmu_acpi.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/perf/arm_pmu_acpi.c b/drivers/perf/arm_pmu_acpi.c
index a52a4aafd629..99abea3b2cc9 100644
--- a/drivers/perf/arm_pmu_acpi.c
+++ b/drivers/perf/arm_pmu_acpi.c
@@ -187,7 +187,7 @@ out_err:
return err;
}
-static struct arm_pmu *arm_pmu_acpi_find_alloc_pmu(void)
+static struct arm_pmu *arm_pmu_acpi_find_pmu(void)
{
unsigned long cpuid = read_cpuid_id();
struct arm_pmu *pmu;
@@ -201,6 +201,17 @@ static struct arm_pmu *arm_pmu_acpi_find_alloc_pmu(void)
return pmu;
}
+ return NULL;
+}
+
+static struct arm_pmu *arm_pmu_acpi_find_alloc_pmu(void)
+{
+ struct arm_pmu *pmu;
+
+ pmu = arm_pmu_acpi_find_pmu();
+ if (pmu)
+ return pmu;
+
pmu = armpmu_alloc_atomic();
if (!pmu) {
pr_warn("Unable to allocate PMU for CPU%d\n",
@@ -208,7 +219,7 @@ static struct arm_pmu *arm_pmu_acpi_find_alloc_pmu(void)
return NULL;
}
- pmu->acpi_cpuid = cpuid;
+ pmu->acpi_cpuid = read_cpuid_id();
return pmu;
}