From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964808AbWHaW5R (ORCPT ); Thu, 31 Aug 2006 18:57:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964805AbWHaW5O (ORCPT ); Thu, 31 Aug 2006 18:57:14 -0400 Received: from e31.co.us.ibm.com ([32.97.110.149]:31173 "EHLO e31.co.us.ibm.com") by vger.kernel.org with ESMTP id S932476AbWHaW4t (ORCPT ); Thu, 31 Aug 2006 18:56:49 -0400 Subject: [PATCH 3/4] rcu: Add rcu_bh_sync torture type to rcutorture From: Josh Triplett To: linux-kernel@vger.kernel.org Cc: Andrew Morton , Paul McKenney , Dipankar Sarma Content-Type: text/plain Date: Thu, 31 Aug 2006 15:56:56 -0700 Message-Id: <1157065016.25808.8.camel@josh-work.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.6.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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 --- Documentation/RCU/torture.txt | 5 +++-- kernel/rcutorture.c | 16 +++++++++++++++- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/Documentation/RCU/torture.txt b/Documentation/RCU/torture.txt index 6714b53..cc4b1ef 100644 --- a/Documentation/RCU/torture.txt +++ b/Documentation/RCU/torture.txt @@ -55,8 +55,9 @@ test_no_idle_hz Whether or not to test t torture_type The type of RCU to test: "rcu" for the rcu_read_lock() API, "rcu_sync" for rcu_read_lock() with synchronous reclamation, - "rcu_bh" for the rcu_read_lock_bh() API, and "srcu" for the - "srcu_read_lock()" API. + "rcu_bh" for the rcu_read_lock_bh() API, "rcu_bh_sync" for + rcu_read_lock_bh() with synchronous reclamation, and "srcu" + for the "srcu_read_lock()" API. verbose Enable debug printk()s. Default is disabled. 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 -- 1.4.1.1