From: Milan Broz <mbroz@redhat.com>
To: Mario 'BitKoenig' Holbe <Mario.Holbe@TU-Ilmenau.DE>,
Andi Kleen <ak@linux.intel.com>,
dm-crypt@saout.de, linux-kernel@vger.kernel.org,
Alasdair G Kergon <agk@redhat.com>
Subject: Re: [dm-crypt] dm-crypt: Performance Regression 2.6.37 -> 2.6.38-rc8
Date: Fri, 11 Mar 2011 19:29:58 +0100 [thread overview]
Message-ID: <4D7A6A26.5000501@redhat.com> (raw)
In-Reply-To: <20110311180334.GA11382@darkside.kls.lan>
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?
Milan
WARNING: multiple messages have this Message-ID (diff)
From: Milan Broz <mbroz@redhat.com>
To: "Mario 'BitKoenig' Holbe" <Mario.Holbe@TU-Ilmenau.DE>,
Andi Kleen <ak@linux.intel.com>,
dm-crypt@saout.de, linux-kernel@vger.kernel.org,
Alasdair G Kergon <agk@redhat.com>
Subject: Re: dm-crypt: Performance Regression 2.6.37 -> 2.6.38-rc8
Date: Fri, 11 Mar 2011 19:29:58 +0100 [thread overview]
Message-ID: <4D7A6A26.5000501@redhat.com> (raw)
In-Reply-To: <20110311180334.GA11382@darkside.kls.lan>
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?
Milan
next prev parent reply other threads:[~2011-03-11 18:30 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-08 16:45 [dm-crypt] dm-crypt: Performance Regression 2.6.37 -> 2.6.38-rc8 Mario 'BitKoenig' Holbe
2011-03-08 16:45 ` Mario 'BitKoenig' Holbe
2011-03-08 17:35 ` [dm-crypt] " Milan Broz
2011-03-08 19:23 ` Mario 'BitKoenig' Holbe
2011-03-08 19:23 ` Mario 'BitKoenig' Holbe
2011-03-08 20:07 ` Milan Broz
2011-03-08 20:17 ` Mario 'BitKoenig' Holbe
2011-03-08 20:17 ` Mario 'BitKoenig' Holbe
2011-03-09 16:58 ` Heinz Diehl
2011-03-10 16:57 ` Andi Kleen
2011-03-10 16:57 ` Andi Kleen
2011-03-10 17:54 ` [dm-crypt] " Mario 'BitKoenig' Holbe
2011-03-10 17:54 ` Mario 'BitKoenig' Holbe
2011-03-11 1:18 ` [dm-crypt] " Andi Kleen
2011-03-11 1:18 ` Andi Kleen
2011-03-11 18:03 ` [dm-crypt] " Mario 'BitKoenig' Holbe
2011-03-11 18:03 ` Mario 'BitKoenig' Holbe
2011-03-11 18:29 ` Milan Broz [this message]
2011-03-11 18:29 ` Milan Broz
2011-03-11 18:36 ` [dm-crypt] " Andi Kleen
2011-03-11 18:36 ` Andi Kleen
2011-03-12 1:05 ` [dm-crypt] " Herbert Xu
2011-03-12 1:05 ` Herbert Xu
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