linux-kernel - Re: [pchecks v2 2/2] percpu: Add preemption checks to __this

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Message-ID: <20131003135510.GJ28601@twins.programming.kicks-ass.net>
Date:	Thu, 3 Oct 2013 15:55:10 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Christoph Lameter <cl@...ux.com>, Tejun Heo <tj@...nel.org>,
	akpm@...uxfoundation.org, linux-arch@...r.kernel.org,
	Steven Rostedt <srostedt@...hat.com>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [pchecks v2 2/2] percpu: Add preemption checks to __this_cpu ops

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.
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