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Date: Wed, 13 Jul 2016 17:05:26 -0400
From: Tejun Heo <tj@kernel.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
        John Stultz <john.stultz@linaro.org>, Ingo Molnar <mingo@redhat.com>,
        lkml <linux-kernel@vger.kernel.org>,
        Dmitry Shmidt <dimitrysh@google.com>,
        Rom Lemarchand <romlem@google.com>, Colin Cross <ccross@google.com>,
        Todd Kjos <tkjos@google.com>, Oleg Nesterov <oleg@redhat.com>
Subject: Re: Severe performance regression w/ 4.4+ on Android due to cgroup
 locking changes
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On Wed, Jul 13, 2016 at 02:03:15PM -0700, Paul E. McKenney wrote:
> Take the patch that I just sent out and make the choice of normal
> vs. expedited depend on CONFIG_PREEMPT_RT or whatever the -rt guys are
> calling it these days.  Is there a low-latency Kconfig option other
> than CONFIG_NO_HZ_FULL?

Sounds like a plan to me.

Thanks.

-- 
tejun