linux-kernel - Re: workqueue thing

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Date:	Wed, 23 Dec 2009 09:01:44 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Tejun Heo <tj@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Zijlstra <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: workqueue thing


* Tejun Heo <tj@...nel.org> wrote:

> > We really are not forced to the space of Gedankenexperiments here.
> 
> Sure but there's a reason why I posted the patchset without the actual 
> conversions.  I wanted to make sure that it's not rejected on the ground of 
> its basic design.  I thought it was acceptable after the first RFC round but 
> while trying to merge the scheduler part, Peter seemed mightily unhappy with 
> the whole thing, so this second RFC round.  So, if anyone has major issues 
> with the basic design, please step forward *now* before I go spending more 
> time working on it.

At least as far as i'm concerned, i'd like to see actual uses. It's a big 
linecount increase all things considered:

   20 files changed, 2783 insertions(+), 660 deletions(-)

and you say it _wont_ help performance/scalability (this aspect wasnt clear to 
me from previous discussions), so the (yet to be seen) complexity reduction in 
other code ought to be worth it.

	Ingo
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