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authorJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2019-02-20 11:04:08 +0200
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2019-02-20 11:04:08 +0200
commitd0781a89c06f46d0f75e4e142061b8accb67cbe5 (patch)
tree6a1731bfc76fd92aac1880c23f75377462e07b35 /include/linux/sched/wake_q.h
parent7f4127c4839b1801087e08b1797e830a766391c1 (diff)
parenta5f2fafece141ef3509e686cea576366d55cabb6 (diff)
Merge drm/drm-next into drm-intel-next-queued
Doing a backmerge to be able to merge topic/mei-hdcp-2019-02-19 PR. Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'include/linux/sched/wake_q.h')
-rw-r--r--include/linux/sched/wake_q.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/sched/wake_q.h b/include/linux/sched/wake_q.h
index 10b19a192b2d..545f37138057 100644
--- a/include/linux/sched/wake_q.h
+++ b/include/linux/sched/wake_q.h
@@ -24,9 +24,13 @@
* called near the end of a function. Otherwise, the list can be
* re-initialized for later re-use by wake_q_init().
*
- * Note that this can cause spurious wakeups. schedule() callers
+ * NOTE that this can cause spurious wakeups. schedule() callers
* must ensure the call is done inside a loop, confirming that the
* wakeup condition has in fact occurred.
+ *
+ * NOTE that there is no guarantee the wakeup will happen any later than the
+ * wake_q_add() location. Therefore task must be ready to be woken at the
+ * location of the wake_q_add().
*/
#include <linux/sched.h>