[05/10] powerpc/pmu/fsl: add additional validation to event_init
diff mbox series

Message ID 1542363853-13849-6-git-send-email-andrew.murray@arm.com
State Not Applicable
Headers show
Series
  • perf/core: Generalise event exclusion checking
Related show

Checks

Context Check Description
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
snowpatch_ozlabs/apply_patch success next/apply_patch Successfully applied

Commit Message

Andrew Murray Nov. 16, 2018, 10:24 a.m. UTC
The fsl PMU driver doesn't support host/guest mode exclusion so
let's report this when event_init is called with these exclusion
flags set.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
---
 arch/powerpc/perf/core-fsl-emb.c | 2 ++
 1 file changed, 2 insertions(+)

Patch
diff mbox series

diff --git a/arch/powerpc/perf/core-fsl-emb.c b/arch/powerpc/perf/core-fsl-emb.c
index ba48584..b1cc9d1 100644
--- a/arch/powerpc/perf/core-fsl-emb.c
+++ b/arch/powerpc/perf/core-fsl-emb.c
@@ -559,6 +559,8 @@  static int fsl_emb_pmu_event_init(struct perf_event *event)
 		event->hw.config_base |= PMLCA_FCS;
 	if (event->attr.exclude_idle)
 		return -ENOTSUPP;
+	if (event->attr.exclude_host || event->attr.exclude_guest)
+		return -ENOTSUPP;
 
 	event->hw.last_period = event->hw.sample_period;
 	local64_set(&event->hw.period_left, event->hw.last_period);