[PATCH tip/core/rcu 3/6] rcu: Test srcu_barrier() from rcutorture test suite

Paul E. McKenney
2012-06-15T18:59:03Z

From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>

SRCU now has a call_srcu() and an srcu_barrier(), but rcutorture does
not test srcu_barrier(). This commit adds the machinery to allow
rcutorture's existing rcu_barrier() tests to apply to SRCU.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
kernel/rcutorture.c | 15 +++++++++++++--
1 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 9850479..7b6935e 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"
};
--
1.7.8