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-rw-r--r--include/linux/sched/signal.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index 88050259c466..a29df79540ce 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -224,7 +224,14 @@ struct signal_struct {
struct mutex cred_guard_mutex; /* guard against foreign influences on
* credential calculations
- * (notably. ptrace) */
+ * (notably. ptrace)
+ * Deprecated do not use in new code.
+ * Use exec_update_mutex instead.
+ */
+ struct mutex exec_update_mutex; /* Held while task_struct is being
+ * updated during exec, and may have
+ * inconsistent permissions.
+ */
} __randomize_layout;
/*