From: Milan Broz <gmazyland@gmail.com>
To: "Brian J. Murrell" <brian@interlinx.bc.ca>
Cc: dm-crypt@saout.de
Subject: Re: [dm-crypt] multiple crypt devices not using multiple CPUs
Date: Sun, 16 Dec 2012 22:25:07 +0100 [thread overview]
Message-ID: <50CE3C33.2040900@gmail.com> (raw)
In-Reply-To: <kald04$263$1@ger.gmane.org>
On 12/16/2012 10:04 PM, Brian J. Murrell wrote:
> Hi,
>
> I guess I must be missing something. I had understood that if one had
> multiple block devices being crypted by dm-crypt, if they were being
> operated on at the same time, their parallel crypto operations would
> utilize different CPUs.
In current kernels, work keeps on cpu which submitted it.
Please read
http://www.saout.de/pipermail/dm-crypt/2012-July/002582.html
(and try to run the second case with direct-io, iow add oflag=direct for dd)
m.
next prev parent reply other threads:[~2012-12-16 21:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-16 21:04 [dm-crypt] multiple crypt devices not using multiple CPUs Brian J. Murrell
2012-12-16 21:25 ` Milan Broz [this message]
2012-12-16 22:02 ` Brian J. Murrell
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