From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [pchecks v2 2/2] percpu: Add preemption checks to __this_cpu ops
Date: Thu, 3 Oct 2013 15:55:10 +0200
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To: Ingo Molnar <mingo@kernel.org>
Cc: Christoph Lameter <cl@linux.com>, Tejun Heo <tj@kernel.org>, akpm@linuxfoundation.org, linux-arch@vger.kernel.org, Steven Rostedt <srostedt@redhat.com>, linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>

On Thu, Oct 03, 2013 at 09:21:00AM +0200, Ingo Molnar wrote:
> It was important to me and other maintainers as well back then and today 
> as well, as me and others complained about it out numerous times.

I can testify to that; the lack of these preemption checks have wasted
hours of my and Thomas' time, probably others as well.