linux-kernel - Re: [PATCH v2] locking/percpu-rwsem: Optimize readers and reduce global impact

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Message-ID: <20160826125141.GB16906@mtj.duckdns.org>
Date:   Fri, 26 Aug 2016 08:51:41 -0400
From:   Tejun Heo <tj@...nel.org>
To:     John Stultz <john.stultz@...aro.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Oleg Nesterov <oleg@...hat.com>,
        Om Dhyade <odhyade@...eaurora.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Ingo Molnar <mingo@...nel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Dmitry Shmidt <dimitrysh@...gle.com>,
        Rom Lemarchand <romlem@...gle.com>,
        Colin Cross <ccross@...gle.com>, Todd Kjos <tkjos@...gle.com>
Subject: Re: [PATCH v2] locking/percpu-rwsem: Optimize readers and reduce
 global impact

Hello, John.

On Thu, Aug 25, 2016 at 07:14:07PM -0700, John Stultz wrote:
> Hey! Good news. This patch along with Peter's locking changes pushes
> the latencies down to an apparently acceptable level!

Ah, that's good to hear.  Please feel free to ping me if you guys
wanna talk about cgroup usage in android.

Thanks!

-- 
tejun