[PATCH] Add Sparse annotations to SRCU wrapper functions in rcutorture

The SRCU wrapper functions srcu_torture_read_lock and
srcu_torture_read_unlock in rcutorture intentionally change the SRCU
context; annotate them accordingly, to avoid a warning.

Signed-off-by: Josh Triplett <josh@freedesktop.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index e2bda18..c52f981 100644 (file)
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -401,7 +401,7 @@ static void srcu_torture_cleanup(void)
        cleanup_srcu_struct(&srcu_ctl);
 }
 
-static int srcu_torture_read_lock(void)
+static int srcu_torture_read_lock(void) __acquires(&srcu_ctl)
 {
        return srcu_read_lock(&srcu_ctl);
 }
@@ -419,7 +419,7 @@ static void srcu_read_delay(struct rcu_random_state *rrsp)
                schedule_timeout_interruptible(longdelay);
 }
 
-static void srcu_torture_read_unlock(int idx)
+static void srcu_torture_read_unlock(int idx) __releases(&srcu_ctl)
 {
        srcu_read_unlock(&srcu_ctl, idx);
 }