linux-kernel - [tip:core/rcu] rcu: Add synchronize_srcu_expedited() to the rcutorture test suite

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Date:	Mon, 26 Oct 2009 11:37:11 GMT
From:	"tip-bot for Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, paulmck@...ux.vnet.ibm.com,
	hpa@...or.com, mingo@...hat.com, josh@...htriplett.org,
	tglx@...utronix.de, laijs@...fujitsu.com, mingo@...e.hu
Subject: [tip:core/rcu] rcu: Add synchronize_srcu_expedited() to the rcutorture test suite

Commit-ID:  804bb8370522a569bd3a732b9de5fbd55e26f155
Gitweb:     http://git.kernel.org/tip/804bb8370522a569bd3a732b9de5fbd55e26f155
Author:     Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
AuthorDate: Sun, 25 Oct 2009 19:03:52 -0700
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 26 Oct 2009 09:40:30 +0100

rcu: Add synchronize_srcu_expedited() to the rcutorture test suite

Adds the "srcu_expedited" torture type, and also renames
sched_ops_sync to sched_sync_ops for consistency while we are in
this file.

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Acked-by: Josh Triplett <josh@...htriplett.org>
Reviewed-by: Lai Jiangshan <laijs@...fujitsu.com>
Cc: dipankar@...ibm.com
Cc: mathieu.desnoyers@...ymtl.ca
Cc: dvhltc@...ibm.com
Cc: niv@...ibm.com
Cc: peterz@...radead.org
Cc: rostedt@...dmis.org
Cc: Valdis.Kletnieks@...edu
Cc: dhowells@...hat.com
Cc: avi@...hat.com
Cc: mtosatti@...hat.com
LKML-Reference: <12565226353636-git-send-email->
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/rcutorture.c |   25 ++++++++++++++++++++++---
 1 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 697c0a0..14480e8 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -547,6 +547,25 @@ static struct rcu_torture_ops srcu_ops = {
 	.name		= "srcu"
 };
 
+static void srcu_torture_synchronize_expedited(void)
+{
+	synchronize_srcu_expedited(&srcu_ctl);
+}
+
+static struct rcu_torture_ops srcu_expedited_ops = {
+	.init		= srcu_torture_init,
+	.cleanup	= srcu_torture_cleanup,
+	.readlock	= srcu_torture_read_lock,
+	.read_delay	= srcu_read_delay,
+	.readunlock	= srcu_torture_read_unlock,
+	.completed	= srcu_torture_completed,
+	.deferred_free	= rcu_sync_torture_deferred_free,
+	.sync		= srcu_torture_synchronize_expedited,
+	.cb_barrier	= NULL,
+	.stats		= srcu_torture_stats,
+	.name		= "srcu_expedited"
+};
+
 /*
  * Definitions for sched torture testing.
  */
@@ -592,7 +611,7 @@ static struct rcu_torture_ops sched_ops = {
 	.name		= "sched"
 };
 
-static struct rcu_torture_ops sched_ops_sync = {
+static struct rcu_torture_ops sched_sync_ops = {
 	.init		= rcu_sync_torture_init,
 	.cleanup	= NULL,
 	.readlock	= sched_torture_read_lock,
@@ -1098,8 +1117,8 @@ rcu_torture_init(void)
 	int firsterr = 0;
 	static struct rcu_torture_ops *torture_ops[] =
 		{ &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &rcu_bh_sync_ops,
-		  &sched_expedited_ops,
-		  &srcu_ops, &sched_ops, &sched_ops_sync, };
+		  &srcu_ops, &srcu_expedited_ops,
+		  &sched_ops, &sched_sync_ops, &sched_expedited_ops, };
 
 	mutex_lock(&fullstop_mutex);
 
--
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