linux-kernel - Re: dm-crypt: Performance Regression 2.6.37 -> 2.6.38-rc8

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4D7A6A26.5000501@redhat.com>
Date:	Fri, 11 Mar 2011 19:29:58 +0100
From:	Milan Broz <mbroz@...hat.com>
To:	"Mario 'BitKoenig' Holbe" <Mario.Holbe@...Ilmenau.DE>,
	Andi Kleen <ak@...ux.intel.com>, dm-crypt@...ut.de,
	linux-kernel@...r.kernel.org, Alasdair G Kergon <agk@...hat.com>
Subject: Re: dm-crypt: Performance Regression 2.6.37 -> 2.6.38-rc8

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/