linux-kernel - Re: [PATCHSET] concurrency managed workqueue, take#3

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Message-ID: <4B5488AC.3040208@s5r6.in-berlin.de>
Date:	Mon, 18 Jan 2010 17:13:32 +0100
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Tejun Heo <tj@...nel.org>
CC:	torvalds@...ux-foundation.org, mingo@...e.hu, peterz@...radead.org,
	awalls@...ix.net, linux-kernel@...r.kernel.org, jeff@...zik.org,
	akpm@...ux-foundation.org, jens.axboe@...cle.com,
	rusty@...tcorp.com.au, cl@...ux-foundation.org,
	dhowells@...hat.com, arjan@...ux.intel.com, avi@...hat.com,
	johannes@...solutions.net, andi@...stfloor.org
Subject: Re: [PATCHSET] concurrency managed workqueue, take#3

Tejun Heo wrote:
> slow-work is probably the largest chunk which can be replaced by cmwq
> but as shown in the libata case small conversions can bring noticeable
> benefits and there are other places which have had to deal with
> similar limitations.

I for one as driver programmer am keen on cmwq.  It would help me fix a
lack of parallelism in firewire (target probe/ reconnect/ removal in the
storage driver).  I can implement what I have in mind with slow-work too
but cmwq would take less effort and LOC.
-- 
Stefan Richter
-=====-==-=- ---= =--=-
http://arcgraph.de/sr/
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