Message-ID: <4D7A6A26.5000501@redhat.com>
Date: Fri, 11 Mar 2011 19:29:58 +0100
From: Milan Broz <mbroz@redhat.com>
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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
References: <20110308164508.GA8729@darkside.kls.lan> <20110310165730.GC20504@alboin.amr.corp.intel.com> <20110310175411.GB25027@darkside.kls.lan> <20110311011842.GA5698@alboin.amr.corp.intel.com> <20110311180334.GA11382@darkside.kls.lan>
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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

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