linux-kernel - Re: [PATCH 1/2] [CRYPTO] tcrypt: Move sg_init

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Message-ID: <20071030055056.GG7499@kernel.dk>
Date:	Tue, 30 Oct 2007 06:50:58 +0100
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
	netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] [CRYPTO] tcrypt: Move sg_init_table out of timing loops

On Tue, Oct 30 2007, Herbert Xu wrote:
> On Mon, Oct 29, 2007 at 09:16:27PM +0100, Jens Axboe wrote:
> > On Fri, Oct 26 2007, Herbert Xu wrote:
> > > [CRYPTO] tcrypt: Move sg_init_table out of timing loops
> > > 
> > > This patch moves the sg_init_table out of the timing loops for hash
> > > algorithms so that it doesn't impact on the speed test results.
> > 
> > Wouldn't it be better to just make sg_init_one() call sg_init_table?
> 
> This looks fine to me although I think it's orthogonal to the
> patch you were quoting :)

How so? The reason you changed it to sg_init_table() + sg_set_buf() is
exactly because sg_init_one() didn't properly init the entry (as they
name promised).

-- 
Jens Axboe

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