From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Williams <dan.j.williams@intel.com>
Subject: Re: [PATCH 06/13] async_tx: add support for asynchronous GF
	multiplication
Date: Sat, 21 Mar 2009 15:46:12 -0700
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To: Ilya Yanok <yanok@emcraft.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, "H. Peter Anvin" <h.peter.anvin@intel.com>, "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "neilb@suse.de" <neilb@suse.de>, "Sosnowski, Maciej" <maciej.sosnowski@intel.com>, Yuri Tikhonov <yur@emcraft.com>
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On Sat, Mar 21, 2009 at 3:26 PM, Ilya Yanok <yanok@emcraft.com> wrote:
>> The caller needs to be modified to only require scalar multiplication
>> even in this corner case.
>>
>
> Argh... There is no vector-vector multiplication at all! You just need
> to swap the 'for' cycles back (as it was in the original patch by me and
> Yuri) to get rid of two-dimensional lookup at each step.

Yes, I swapped the loops as part of the removal of the
ASYNC_TX_ZERO_{P,Q} flags and wanted to avoid an explicit memset.
I'll rework this path...

Regards,
Dan