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Subject[PATCH 05/10] powerpc/pmu/fsl: add additional validation to event_init
Date
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(+)

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);
--
2.7.4
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