From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757519AbcKBV1H (ORCPT ); Wed, 2 Nov 2016 17:27:07 -0400 Received: from helcar.hengli.com.au ([209.40.204.226]:49783 "EHLO helcar.hengli.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756581AbcKBV1G (ORCPT ); Wed, 2 Nov 2016 17:27:06 -0400 Date: Thu, 3 Nov 2016 05:26:57 +0800 From: Herbert Xu To: "Jason A. Donenfeld" Cc: "David S. Miller" , linux-crypto@vger.kernel.org, LKML , Martin Willi Subject: Re: [PATCH] poly1305: generic C can be faster on chips with slow unaligned access Message-ID: <20161102212657.GA26887@gondor.apana.org.au> References: <20161102175810.18647-1-Jason@zx2c4.com> <20161102200959.GA23297@gondor.apana.org.au> <20161102210802.GA26741@gondor.apana.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 02, 2016 at 10:25:00PM +0100, Jason A. Donenfeld wrote: > These architectures select HAVE_EFFICIENT_UNALIGNED_ACCESS: > > s390 arm arm64 powerpc x86 x86_64 > > So, these will use the original old code. What I'm interested in is whether the new code is sufficiently close in performance to the old code, particularonly on x86. I'd much rather only have a single set of code for all architectures. After all, this is meant to be a generic implementation. Thanks, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt