linux-kernel - Re: DM-CRYPT: Scale to multiple CPUs v3

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Date:	Sun, 10 Oct 2010 19:44:54 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Milan Broz <mbroz@...hat.com>, Andi Kleen <andi@...stfloor.org>,
	Mike Snitzer <snitzer@...hat.com>,
	Andi Kleen <ak@...ux.intel.com>,
	device-mapper development <dm-devel@...hat.com>,
	pedrib@...il.com, linux-kernel@...r.kernel.org
Subject: Re: DM-CRYPT: Scale to multiple CPUs v3

On Sun, Oct 10, 2010 at 06:01:51PM +0100, Alasdair G Kergon wrote:
> On Sun, Oct 10, 2010 at 12:22:57PM -0400, Mike Snitzer wrote:
> > this out quite yet.  You have 4 patches yet you say conceptually there
> > are 2 distinct changes.
>  
> IOW should we end up with 2 bisectable patches here?
> 
> And the potentially-broken/poorly-performing stacked async should be
> explained in comments inline perhaps if we're choosing to ignore this
> apparent regression.

It's not broken AFAIK and it will not perform worse than the original
single thread work queue.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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