From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751997AbdLATWD (ORCPT ); Fri, 1 Dec 2017 14:22:03 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:38978 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751576AbdLATVz (ORCPT ); Fri, 1 Dec 2017 14:21:55 -0500 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, jiangshanlai@gmail.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, fweisbec@gmail.com, oleg@redhat.com, "Paul E. McKenney" , Tejun Heo Subject: [PATCH tip/core/rcu 05/10] workqueue: Eliminate cond_resched_rcu_qs() in favor of cond_resched() Date: Fri, 1 Dec 2017 11:21:39 -0800 X-Mailer: git-send-email 2.5.2 In-Reply-To: <20171201192122.GA19301@linux.vnet.ibm.com> References: <20171201192122.GA19301@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17120119-0056-0000-0000-000003F238BC X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008137; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000243; SDB=6.00953990; UDB=6.00482079; IPR=6.00734064; BA=6.00005726; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00018295; XFM=3.00000015; UTC=2017-12-01 19:21:50 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17120119-0057-0000-0000-0000082968D9 Message-Id: <1512156104-20104-5-git-send-email-paulmck@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-12-01_05:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1712010225 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now that cond_resched() also provides RCU quiescent states when needed, it can be used in place of cond_resched_rcu_qs(). This commit therefore makes this change. Signed-off-by: Paul E. McKenney Cc: Tejun Heo Cc: Lai Jiangshan --- kernel/workqueue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 8fdb710bfdd7..aee7eaab05cb 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -2135,7 +2135,7 @@ __acquires(&pool->lock) * stop_machine. At the same time, report a quiescent RCU state so * the same condition doesn't freeze RCU. */ - cond_resched_rcu_qs(); + cond_resched(); spin_lock_irq(&pool->lock); -- 2.5.2