summaryrefslogtreecommitdiffstats
path: root/kernel/power/process.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/power/process.c')
-rw-r--r--kernel/power/process.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 6aeb5efe00eb..0d2aeb226108 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -53,11 +53,9 @@ static int try_to_freeze_tasks(bool user_only)
* It is "frozen enough". If the task does wake
* up, it will immediately call try_to_freeze.
*
- * Because freeze_task() goes through p's
- * scheduler lock after setting TIF_FREEZE, it's
- * guaranteed that either we see TASK_RUNNING or
- * try_to_stop() after schedule() in ptrace/signal
- * stop sees TIF_FREEZE.
+ * Because freeze_task() goes through p's scheduler lock, it's
+ * guaranteed that TASK_STOPPED/TRACED -> TASK_RUNNING
+ * transition can't race with task state testing here.
*/
if (!task_is_stopped_or_traced(p) &&
!freezer_should_skip(p))