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authorLinus Walleij <linus.walleij@linaro.org>2015-12-21 09:36:21 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-12-21 09:36:21 +0100
commit0529357f102b96f68bc199f858d1c3b07f4b674c (patch)
treeeaa047952a768099e00a5245afa0d84799df6990 /include/linux/perf_event.h
parenta9f1a3e4c1c7dc82711bc22dc52c7b0d6912ed56 (diff)
parent4ef7675344d687a0ef5b0d7c0cee12da005870c0 (diff)
Merge tag 'v4.4-rc6' into devel
Linux 4.4-rc6
Diffstat (limited to 'include/linux/perf_event.h')
-rw-r--r--include/linux/perf_event.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index d841d33bcdc9..f9828a48f16a 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -697,9 +697,11 @@ struct perf_cgroup {
* if there is no cgroup event for the current CPU context.
*/
static inline struct perf_cgroup *
-perf_cgroup_from_task(struct task_struct *task)
+perf_cgroup_from_task(struct task_struct *task, struct perf_event_context *ctx)
{
- return container_of(task_css(task, perf_event_cgrp_id),
+ return container_of(task_css_check(task, perf_event_cgrp_id,
+ ctx ? lockdep_is_held(&ctx->lock)
+ : true),
struct perf_cgroup, css);
}
#endif /* CONFIG_CGROUP_PERF */