linux-kernel - Re: [PATCH 34/35] async: use workqueue for worker pool

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Message-ID: <20100628225513.GB10104@nowhere>
Date:	Tue, 29 Jun 2010 00:55:14 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	torvalds@...ux-foundation.org, mingo@...e.hu,
	linux-kernel@...r.kernel.org, jeff@...zik.org,
	akpm@...ux-foundation.org, rusty@...tcorp.com.au,
	cl@...ux-foundation.org, dhowells@...hat.com,
	arjan@...ux.intel.com, oleg@...hat.com, axboe@...nel.dk,
	dwalker@...eaurora.org, stefanr@...6.in-berlin.de,
	florian@...kler.org, andi@...stfloor.org, mst@...hat.com,
	randy.dunlap@...cle.com, Arjan van de Ven <arjan@...radead.org>
Subject: Re: [PATCH 34/35] async: use workqueue for worker pool

On Mon, Jun 28, 2010 at 11:04:22PM +0200, Tejun Heo wrote:
> Replace private worker pool with system_long_wq.


It appeared to me that async is deemed to parallelize as much as
possible, to probe devices faster on boot for example, while cmwq
seems to do the opposite: trying to execute in batches as much as
possible, and fork when a work goes to sleep voluntarily.

That said I haven't checked that deeply so it's fairly possible
I missed something obvious :)

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