-EPERM or -EINVAL always get converted to -EOPNOTSUPP, so replace them. This will allow __hw_perf_event_init() to return a different code or not print that particular message for a different error in the next commit.
Signed-off-by: James Clark james.clark@arm.com --- arch/arm/kernel/perf_event_v7.c | 6 ++++-- drivers/perf/apple_m1_cpu_pmu.c | 6 ++++-- drivers/perf/arm_pmu.c | 11 +++++------ drivers/perf/arm_pmuv3.c | 6 ++++-- 4 files changed, 17 insertions(+), 12 deletions(-)
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c index eb2190477da1..4e115076d323 100644 --- a/arch/arm/kernel/perf_event_v7.c +++ b/arch/arm/kernel/perf_event_v7.c @@ -1072,8 +1072,10 @@ static int armv7pmu_set_event_filter(struct hw_perf_event *event, { unsigned long config_base = 0;
- if (attr->exclude_idle) - return -EPERM; + if (attr->exclude_idle) { + pr_debug("ARM performance counters do not support mode exclusion\n"); + return -EOPNOTSUPP; + } if (attr->exclude_user) config_base |= ARMV7_EXCLUDE_USER; if (attr->exclude_kernel) diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pmu.c index cd2de44b61b9..f322e5ca1114 100644 --- a/drivers/perf/apple_m1_cpu_pmu.c +++ b/drivers/perf/apple_m1_cpu_pmu.c @@ -524,8 +524,10 @@ static int m1_pmu_set_event_filter(struct hw_perf_event *event, { unsigned long config_base = 0;
- if (!attr->exclude_guest) - return -EINVAL; + if (!attr->exclude_guest) { + pr_debug("ARM performance counters do not support mode exclusion\n"); + return -EOPNOTSUPP; + } if (!attr->exclude_kernel) config_base |= M1_PMU_CFG_COUNT_KERNEL; if (!attr->exclude_user) diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index d712a19e47ac..2ce65b440e85 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -445,7 +445,7 @@ __hw_perf_event_init(struct perf_event *event) { struct arm_pmu *armpmu = to_arm_pmu(event->pmu); struct hw_perf_event *hwc = &event->hw; - int mapping; + int mapping, ret;
hwc->flags = 0; mapping = armpmu->map_event(event); @@ -470,11 +470,10 @@ __hw_perf_event_init(struct perf_event *event) /* * Check whether we need to exclude the counter from certain modes. */ - if (armpmu->set_event_filter && - armpmu->set_event_filter(hwc, &event->attr)) { - pr_debug("ARM performance counters do not support " - "mode exclusion\n"); - return -EOPNOTSUPP; + if (armpmu->set_event_filter) { + ret = armpmu->set_event_filter(hwc, &event->attr); + if (ret) + return ret; }
/* diff --git a/drivers/perf/arm_pmuv3.c b/drivers/perf/arm_pmuv3.c index 84b15c0892d9..d33378a198cc 100644 --- a/drivers/perf/arm_pmuv3.c +++ b/drivers/perf/arm_pmuv3.c @@ -932,8 +932,10 @@ static int armv8pmu_set_event_filter(struct hw_perf_event *event, { unsigned long config_base = 0;
- if (attr->exclude_idle) - return -EPERM; + if (attr->exclude_idle) { + pr_debug("ARM performance counters do not support mode exclusion\n"); + return -EOPNOTSUPP; + }
/* * If we're running in hyp mode, then we *are* the hypervisor.