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

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Date:	Thu, 30 Nov 2006 19:10:37 -0800
From:	Josh Triplett <josh@...edesktop.org>
To:	linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>,
	Oleg Nesterov <oleg@...sign.ru>,
	"Paul E. McKenney" <paulmck@...ibm.com>
Subject: [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@...edesktop.org>
---
 kernel/rcutorture.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index cd27547..ddafbbf 100644
--- 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);
 }
-- 
1.4.4.1



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