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-rw-r--r--kernel/events/core.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index b7935fcec7d..f18a0a56e5a 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7285,5 +7285,12 @@ struct cgroup_subsys perf_subsys = {
.destroy = perf_cgroup_destroy,
.exit = perf_cgroup_exit,
.attach = perf_cgroup_attach,
+
+ /*
+ * perf_event cgroup doesn't handle nesting correctly.
+ * ctx->nr_cgroups adjustments should be propagated through the
+ * cgroup hierarchy. Fix it and remove the following.
+ */
+ .broken_hierarchy = true,
};
#endif /* CONFIG_CGROUP_PERF */