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Message-ID: <20160625191217.GO30154@twins.programming.kicks-ass.net>
Date: Sat, 25 Jun 2016 21:12:17 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: panxinhui <xinhui@...ux.vnet.ibm.com>
Cc: Boqun Feng <boqun.feng@...il.com>,
Pan Xinhui <xinhui.pan@...ux.vnet.ibm.com>,
linux-kernel@...r.kernel.org, mingo@...hat.com, dave@...olabs.net,
will.deacon@....com, Waiman.Long@....com, benh@...nel.crashing.org
Subject: Re: [PATCH] locking/osq: Drop the overload of osq lock
On Sun, Jun 26, 2016 at 01:27:51AM +0800, panxinhui wrote:
> by the way I still think mutex_unlock has a big overload too.
Do you mean overhead?
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