linux-kernel - Re: Crypto Fixes for 3.3

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Message-ID: <20120126040704.GA13369@gondor.apana.org.au>
Date:	Thu, 26 Jan 2012 15:07:04 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
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>
Subject: Re: Crypto Fixes for 3.3

On Wed, Jan 25, 2012 at 07:35:19PM -0800, Linus Torvalds wrote:
>
> Ugh. This once more has the crazy signed integer modulus operator,
> which can be quite expensive depending on whether the compiler can
> tell whether it is always positive or not.

Oops, I had incorrectly applied the first patch in the thread.

I've fixed it in the tree now.

> We also avoid the problem with absolutely horrible gcc register usage
> by having an arch-specific "accessor macro":

We could certainly do something like that.  Although I'd be
more comfortable with pushing this through linux-next, OK?


Please pull from

git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git

or

master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6.git


Alexey Dobriyan (2):
      crypto: sha512 - make it work, undo percpu message schedule
      crypto: sha512 - reduce stack usage to safe number

Herbert Xu (1):
      crypto: sha512 - Use binary and instead of modulus

 crypto/sha512_generic.c |   62 +++++++++++++++++++++++++---------------------
 1 files changed, 34 insertions(+), 28 deletions(-)

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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