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Date: Thu, 5 May 2016 02:43:41 -0700 From: tip-bot for Davidlohr Bueso <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, dbueso@...e.de, peterz@...radead.org, mingo@...nel.org, tglx@...utronix.de, dave@...olabs.net, hpa@...or.com, paulmck@...ux.vnet.ibm.com, torvalds@...ux-foundation.org, akpm@...ux-foundation.org Subject: [tip:locking/core] locking/pvqspinlock: Avoid double resetting of stats Commit-ID: dc209a3fd73ec96d4491bcc128c3b50b0a8e8017 Gitweb: http://git.kernel.org/tip/dc209a3fd73ec96d4491bcc128c3b50b0a8e8017 Author: Davidlohr Bueso <dave@...olabs.net> AuthorDate: Sun, 17 Apr 2016 23:31:42 -0700 Committer: Ingo Molnar <mingo@...nel.org> 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 <dbueso@...e.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org> Cc: Andrew Morton <akpm@...ux-foundation.org> Cc: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Thomas Gleixner <tglx@...utronix.de> Cc: dave@...olabs.net Cc: waiman.long@....com Link: http://lkml.kernel.org/r/1460961103-24953-2-git-send-email-dave@stgolabs.net Signed-off-by: Ingo Molnar <mingo@...nel.org> --- 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; }
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