The s390 cpum_cf and cpum_sf PMUs have the capability to exclude
events based on context. Let's advertise that we support the
PERF_PMU_CAP_EXCLUDE capability to ensure that perf doesn't
prevent us from handling events where any exclusion flags are set.
Signed-off-by: Andrew Murray <andrew.murray@xxxxxxx>
---
arch/s390/kernel/perf_cpum_cf.c | 1 +
arch/s390/kernel/perf_cpum_sf.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index cc085e2..7b583ed 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -667,6 +667,7 @@ static struct pmu cpumf_pmu = {
.start_txn = cpumf_pmu_start_txn,
.commit_txn = cpumf_pmu_commit_txn,
.cancel_txn = cpumf_pmu_cancel_txn,
+ .capabilities = PERF_PMU_CAP_EXCLUDE,
};
static int cpumf_pmf_setup(unsigned int cpu, int flags)
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 5c53e97..25a64aa 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -1885,6 +1885,8 @@ static struct pmu cpumf_sampling = {
.setup_aux = aux_buffer_setup,
.free_aux = aux_buffer_free,
+
+ .capabilities = PERF_PMU_CAP_EXCLUDE,
};
static void cpumf_measurement_alert(struct ext_code ext_code,
--
2.7.4
