Commit-ID: 101db7b41d8d6c070278bca1f7bce814ecbf781d
Gitweb: http://git.kernel.org/tip/101db7b41d8d6c070278bca1f7bce814ecbf781d
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Mon, 5 Dec 2011 15:36:31 -0800
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Sun, 11 Dec 2011 10:32:21 -0800
rcu: Add rcutorture tests for srcu_read_lock_raw()
This commit adds simple rcutorture tests for srcu_read_lock_raw() and
srcu_read_unlock_raw(). It does not test doing srcu_read_lock_raw()
in an exception handler and releasing it in the corresponding process
context.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
kernel/rcutorture.c | 26 +++++++++++++++++++++++++-
1 files changed, 25 insertions(+), 1 deletions(-)
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 186ead9..88f17b8 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -632,6 +632,30 @@ static struct rcu_torture_ops srcu_ops = {
.name = "srcu"
};
+static int srcu_torture_read_lock_raw(void) __acquires(&srcu_ctl)
+{
+ return srcu_read_lock_raw(&srcu_ctl);
+}
+
+static void srcu_torture_read_unlock_raw(int idx) __releases(&srcu_ctl)
+{
+ srcu_read_unlock_raw(&srcu_ctl, idx);
+}
+
+static struct rcu_torture_ops srcu_raw_ops = {
+ .init = srcu_torture_init,
+ .cleanup = srcu_torture_cleanup,
+ .readlock = srcu_torture_read_lock_raw,
+ .read_delay = srcu_read_delay,
+ .readunlock = srcu_torture_read_unlock_raw,
+ .completed = srcu_torture_completed,
+ .deferred_free = rcu_sync_torture_deferred_free,
+ .sync = srcu_torture_synchronize,
+ .cb_barrier = NULL,
+ .stats = srcu_torture_stats,
+ .name = "srcu_raw"
+};
+
static void srcu_torture_synchronize_expedited(void)
{
synchronize_srcu_expedited(&srcu_ctl);
@@ -1591,7 +1615,7 @@ rcu_torture_init(void)
static struct rcu_torture_ops *torture_ops[] =
{ &rcu_ops, &rcu_sync_ops, &rcu_expedited_ops,
&rcu_bh_ops, &rcu_bh_sync_ops, &rcu_bh_expedited_ops,
- &srcu_ops, &srcu_expedited_ops,
+ &srcu_ops, &srcu_raw_ops, &srcu_expedited_ops,
&sched_ops, &sched_sync_ops, &sched_expedited_ops, };
mutex_lock(&fullstop_mutex);
--
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