From: Andi Kleen <ak@linux.intel.com>
To: Milan Broz <mbroz@redhat.com>
Cc: "Mario 'BitKoenig' Holbe" <Mario.Holbe@TU-Ilmenau.DE>,
dm-crypt@saout.de, linux-kernel@vger.kernel.org,
Alasdair G Kergon <agk@redhat.com>,
Herbert Xu <herbert@gondor.hengli.com.au>
Subject: Re: dm-crypt: Performance Regression 2.6.37 -> 2.6.38-rc8
Date: Fri, 11 Mar 2011 10:36:54 -0800 [thread overview]
Message-ID: <20110311183654.GA3272@tassilo.jf.intel.com> (raw)
In-Reply-To: <4D7A6A26.5000501@redhat.com>
On Fri, Mar 11, 2011 at 07:29:58PM +0100, Milan Broz wrote:
> On 03/11/2011 07:03 PM, Mario 'BitKoenig' Holbe wrote:
>
> >> You probably need to find some way
> >> to make pcrypt (parallel crypt layer) work for dmcrypt. That may
> >> actually give you more speedup too than your old hack because
> >> it can balance over more cores.
>
> dmcrypt is already using async crypto interface, it is ready
> for parallelization on this level.
>
> Perhaps the problem is that pcrypt is not yet implemented for needed
> algorithms?
It needs some glue according to Herbert. I forgot the details.
-Andi
--
ak@linux.intel.com -- Speaking for myself only
next prev parent reply other threads:[~2011-03-11 18:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-08 16:45 dm-crypt: Performance Regression 2.6.37 -> 2.6.38-rc8 Mario 'BitKoenig' Holbe
2011-03-08 17:35 ` [dm-crypt] " Milan Broz
2011-03-08 19:23 ` Mario 'BitKoenig' Holbe
2011-03-08 20:07 ` Milan Broz
2011-03-08 20:17 ` Mario 'BitKoenig' Holbe
2011-03-10 16:57 ` Andi Kleen
2011-03-10 17:54 ` Mario 'BitKoenig' Holbe
2011-03-11 1:18 ` Andi Kleen
2011-03-11 18:03 ` Mario 'BitKoenig' Holbe
2011-03-11 18:29 ` Milan Broz
2011-03-11 18:36 ` Andi Kleen [this message]
2011-03-12 1:05 ` Herbert Xu
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