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Message-ID: <1474633030.4025.11.camel@gmail.com>
Subject: Re: [RFC][PATCH] dm: Remove dm_bufio_cond_resched()
From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <peterz@infradead.org>
Cc: Mikulas Patocka <mpatocka@redhat.com>,
        Mike Snitzer <snitzer@redhat.com>, Alasdair Kergon <agk@redhat.com>,
        Ingo Molnar <mingo@kernel.org>, linux-kernel@vger.kernel.org,
        dm-devel@redhat.com, Joe Thornber <ejt@redhat.com>
Date: Fri, 23 Sep 2016 14:17:10 +0200
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On Fri, 2016-09-23 at 10:00 +0200, Thomas Gleixner wrote:
> On Fri, 23 Sep 2016, Peter Zijlstra wrote:

> > Is anybody still using PREEMPT_NONE? Most workloads also care about
> > latency to some extend. Lots of code has explicit cond_resched() and
> > doesn't worry.
> 
> Dunno. But I bet there are workloads which love it.

SUSE definitely uses it.  I had presumed that was enterprise standard.

	-Mike