linux-kernel - Re: [RFC PATCHSET] workqueue: implement concurrency managed workqueue

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Message-ID: <4AC474F2.7070600@redhat.com>
Date:	Thu, 01 Oct 2009 11:22:58 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Tejun Heo <tj@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	jeff@...zik.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, jens.axboe@...cle.com,
	rusty@...tcorp.com.au, cl@...ux-foundation.org,
	dhowells@...hat.com, arjan@...ux.intel.com
Subject: Re: [RFC PATCHSET] workqueue: implement concurrency managed	workqueue

On 10/01/2009 11:11 AM, Avi Kivity wrote:
>
> In fact I've thought of implementing threadlets and 
> concurrency-managed workqueues with preempt notifiers ;)

Oh, and use them to make kernel_fpu_begin() preemptible.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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