From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932219AbcEEJoV (ORCPT ); Thu, 5 May 2016 05:44:21 -0400 Received: from terminus.zytor.com ([198.137.202.10]:44348 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756283AbcEEJoT (ORCPT ); Thu, 5 May 2016 05:44:19 -0400 Date: Thu, 5 May 2016 02:43:41 -0700 From: tip-bot for Davidlohr Bueso Message-ID: Cc: linux-kernel@vger.kernel.org, dbueso@suse.de, peterz@infradead.org, mingo@kernel.org, tglx@linutronix.de, dave@stgolabs.net, hpa@zytor.com, paulmck@linux.vnet.ibm.com, torvalds@linux-foundation.org, akpm@linux-foundation.org Reply-To: dbueso@suse.de, peterz@infradead.org, linux-kernel@vger.kernel.org, mingo@kernel.org, hpa@zytor.com, dave@stgolabs.net, tglx@linutronix.de, akpm@linux-foundation.org, torvalds@linux-foundation.org, paulmck@linux.vnet.ibm.com In-Reply-To: <1460961103-24953-2-git-send-email-dave@stgolabs.net> References: <1460961103-24953-2-git-send-email-dave@stgolabs.net> To: linux-tip-commits@vger.kernel.org Subject: [tip:locking/core] locking/pvqspinlock: Avoid double resetting of stats Git-Commit-ID: dc209a3fd73ec96d4491bcc128c3b50b0a8e8017 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: dc209a3fd73ec96d4491bcc128c3b50b0a8e8017 Gitweb: http://git.kernel.org/tip/dc209a3fd73ec96d4491bcc128c3b50b0a8e8017 Author: Davidlohr Bueso AuthorDate: Sun, 17 Apr 2016 23:31:42 -0700 Committer: Ingo Molnar CommitDate: Thu, 5 May 2016 09:58:49 +0200 locking/pvqspinlock: Avoid double resetting of stats ... remove the redundant second iteration, this is most likely a copy/past buglet. Signed-off-by: Davidlohr Bueso Signed-off-by: Peter Zijlstra (Intel) Cc: Andrew Morton Cc: Linus Torvalds Cc: Paul E. McKenney Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: dave@stgolabs.net Cc: waiman.long@hpe.com Link: http://lkml.kernel.org/r/1460961103-24953-2-git-send-email-dave@stgolabs.net Signed-off-by: Ingo Molnar --- kernel/locking/qspinlock_stat.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/kernel/locking/qspinlock_stat.h b/kernel/locking/qspinlock_stat.h index d734b75..7272233 100644 --- a/kernel/locking/qspinlock_stat.h +++ b/kernel/locking/qspinlock_stat.h @@ -191,8 +191,6 @@ static ssize_t qstat_write(struct file *file, const char __user *user_buf, for (i = 0 ; i < qstat_num; i++) WRITE_ONCE(ptr[i], 0); - for (i = 0 ; i < qstat_num; i++) - WRITE_ONCE(ptr[i], 0); } return count; }