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authorJosh Triplett <josht@us.ibm.com>2006-10-04 02:17:16 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 07:55:31 -0700
commit11a147013e39ff4cb031395cb78a9d307c4799cd (patch)
treebbacc6c3cb3cc53e6f92da1bd6632f37a056dfeb /kernel/rcutorture.c
parent20d2e4283a97665a3db78c60dfa342a0c7c1b180 (diff)
downloadop-kernel-dev-11a147013e39ff4cb031395cb78a9d307c4799cd.zip
op-kernel-dev-11a147013e39ff4cb031395cb78a9d307c4799cd.tar.gz
[PATCH] rcu: add rcu_bh_sync torture type to rcutorture
Use the newly-generic synchronous deferred free function to implement torture testing for rcu_bh using synchronize_rcu_bh rather than the asynchronous call_rcu_bh. Signed-off-by: Josh Triplett <josh@freedesktop.org> Acked-by: Paul E. McKenney <paulmck@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/rcutorture.c')
-rw-r--r--kernel/rcutorture.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 1c329df..0f0ff15 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -370,6 +370,19 @@ static struct rcu_torture_ops rcu_bh_ops = {
.name = "rcu_bh"
};
+static struct rcu_torture_ops rcu_bh_sync_ops = {
+ .init = rcu_sync_torture_init,
+ .cleanup = NULL,
+ .readlock = rcu_bh_torture_read_lock,
+ .readdelay = rcu_read_delay, /* just reuse rcu's version. */
+ .readunlock = rcu_bh_torture_read_unlock,
+ .completed = rcu_bh_torture_completed,
+ .deferredfree = rcu_sync_torture_deferred_free,
+ .sync = rcu_bh_torture_synchronize,
+ .stats = NULL,
+ .name = "rcu_bh_sync"
+};
+
/*
* Definitions for srcu torture testing.
*/
@@ -452,7 +465,8 @@ static struct rcu_torture_ops srcu_ops = {
};
static struct rcu_torture_ops *torture_ops[] =
- { &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &srcu_ops, NULL };
+ { &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &rcu_bh_sync_ops, &srcu_ops,
+ NULL };
/*
* RCU torture writer kthread. Repeatedly substitutes a new structure
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