From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934144AbbELW6Z (ORCPT ); Tue, 12 May 2015 18:58:25 -0400 Received: from e38.co.us.ibm.com ([32.97.110.159]:50033 "EHLO e38.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933787AbbELW6W (ORCPT ); Tue, 12 May 2015 18:58:22 -0400 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com, bobby.prani@gmail.com, Alexey Kodanev , "Paul E. McKenney" Subject: [PATCH tip/core/rcu 01/13] locktorture: fix deadlock in 'rw_lock_irq' type Date: Tue, 12 May 2015 15:58:01 -0700 Message-Id: <1431471493-5431-1-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <20150512225753.GA5012@linux.vnet.ibm.com> References: <20150512225753.GA5012@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15051222-0029-0000-0000-000009BA820E Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexey Kodanev torture_rwlock_read_unlock_irq() must use read_unlock_irqrestore() instead of write_unlock_irqrestore(). Use read_unlock_irqrestore() instead of write_unlock_irqrestore(). Signed-off-by: Alexey Kodanev Signed-off-by: Paul E. McKenney --- kernel/locking/locktorture.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/locking/locktorture.c b/kernel/locking/locktorture.c index ec8cce259779..6a2723c88c33 100644 --- a/kernel/locking/locktorture.c +++ b/kernel/locking/locktorture.c @@ -309,7 +309,7 @@ static int torture_rwlock_read_lock_irq(void) __acquires(torture_rwlock) static void torture_rwlock_read_unlock_irq(void) __releases(torture_rwlock) { - write_unlock_irqrestore(&torture_rwlock, cxt.cur_ops->flags); + read_unlock_irqrestore(&torture_rwlock, cxt.cur_ops->flags); } static struct lock_torture_ops rw_lock_irq_ops = { -- 1.8.1.5