credentials: rcu annotation

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

diff --git a/include/linux/sched.h b/include/linux/sched.h
index bbffd08..2c75666 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1288,9 +1288,9 @@ struct task_struct {
        struct list_head cpu_timers[3];
 
 /* process credentials */
-       const struct cred *real_cred;   /* objective and real subjective task
+       const struct cred __rcu *real_cred; /* objective and real subjective task
                                         * credentials (COW) */
-       const struct cred *cred;        /* effective (overridable) subjective task
+       const struct cred __rcu *cred;  /* effective (overridable) subjective task
                                         * credentials (COW) */
        struct mutex cred_guard_mutex;  /* guard against foreign influences on
                                         * credential calculations