From: Paul E. McKenney Date: Tue, 8 May 2012 17:21:50 +0000 (-0700) Subject: rcu: Test srcu_barrier() from rcutorture test suite X-Git-Tag: next-20120724~139^2^2~2^2~3 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e3f8d3788ed7cf55946030dc9b76e73edb111602;p=karo-tx-linux.git rcu: Test srcu_barrier() from rcutorture test suite SRCU now has a call_srcu() and an srcu_barrier(), but rcutorture does not test them. This commit adds the machinery to allow rcutorture's existing tests for call_rcu() and rcu_barrier() to apply to the SRCU equivalents. Signed-off-by: Paul E. McKenney Reviewed-by: Josh Triplett --- diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c index 9850479f319d..7b6935e0cee3 100644 --- a/kernel/rcutorture.c +++ b/kernel/rcutorture.c @@ -635,6 +635,17 @@ static void srcu_torture_synchronize(void) synchronize_srcu(&srcu_ctl); } +static void srcu_torture_call(struct rcu_head *head, + void (*func)(struct rcu_head *head)) +{ + call_srcu(&srcu_ctl, head, func); +} + +static void srcu_torture_barrier(void) +{ + srcu_barrier(&srcu_ctl); +} + static int srcu_torture_stats(char *page) { int cnt = 0; @@ -661,8 +672,8 @@ static struct rcu_torture_ops srcu_ops = { .completed = srcu_torture_completed, .deferred_free = srcu_torture_deferred_free, .sync = srcu_torture_synchronize, - .call = NULL, - .cb_barrier = NULL, + .call = srcu_torture_call, + .cb_barrier = srcu_torture_barrier, .stats = srcu_torture_stats, .name = "srcu" };