linux-kernel - Re: [PATCH 19/19] workqueue: implement concurrency managed workqueue

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Message-ID: <20091001151211.GA24308@elte.hu>
Date:	Thu, 1 Oct 2009 17:12:11 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Clark Williams <williams@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Frédéric Weisbecker <fweisbec@...il.com>
Cc:	Tejun Heo <tj@...nel.org>, jeff@...zik.org,
	linux-kernel@...r.kernel.org, jens.axboe@...cle.com,
	rusty@...tcorp.com.au, cl@...ux-foundation.org,
	dhowells@...hat.com, arjan@...ux.intel.com
Subject: Re: [PATCH 19/19] workqueue: implement concurrency managed
	workqueue


* Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Thu,  1 Oct 2009 17:09:18 +0900 Tejun Heo <tj@...nel.org> wrote:
> 
> > To solve the above issues, this patch implements concurrency-managed
> > workqueue.
> 
> Seems reasonable.
> 
> This approach would appear to rule out the option of setting a work 
> thread's state (scheduling policy, scheduling priority, uid, etc) to 
> anything other than some default.
> 
> I guess that's unlikely to be a problem if we haven't yet had a need 
> to do that, but I'd be a bit surprised to discover that nobody has 
> done that sort of thing yet?  Nobody has niced up their workqueue 
> threads?

tuna in -rt might do that perhaps?

	Ingo
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