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locking/pvqspinlock: Avoid double resetting of stats

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... remove the redundant second iteration, this is most
likely a copy/past buglet.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
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 <mingo@kernel.org>
This commit is contained in:
Davidlohr Bueso 2016-04-17 23:31:42 -07:00 committed by Ingo Molnar
parent e8c8ce5480
commit dc209a3fd7
1 changed files with 0 additions and 2 deletions
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2
kernel/locking/qspinlock_stat.h
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@ -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;
}