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-rw-r--r--kernel/events/core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 84451c0..257eccf 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7232,6 +7232,9 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
if (attr->inherit && (attr->read_format & PERF_FORMAT_GROUP))
goto err_ns;
+ if (!has_branch_stack(event))
+ event->attr.branch_sample_type = 0;
+
pmu = perf_init_event(event);
if (!pmu)
goto err_ns;
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