From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755710Ab3AROVP (ORCPT ); Fri, 18 Jan 2013 09:21:15 -0500 Received: from moutng.kundenserver.de ([212.227.17.8]:55801 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755387Ab3AROVN (ORCPT ); Fri, 18 Jan 2013 09:21:13 -0500 From: Arnd Bergmann To: Vineet Gupta Subject: Re: [PATCH v2 09/76] ARC: Checksum/byteorder/swab routines Date: Fri, 18 Jan 2013 14:21:09 +0000 User-Agent: KMail/1.12.2 (Linux/3.7.0-7-generic; KDE/4.3.2; x86_64; ; ) Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org References: <1358511930-7424-1-git-send-email-vgupta@synopsys.com> <1358511930-7424-10-git-send-email-vgupta@synopsys.com> In-Reply-To: <1358511930-7424-10-git-send-email-vgupta@synopsys.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201301181421.09458.arnd@arndb.de> X-Provags-ID: V02:K0:+yf6Dzp/vFodp6M/OyfWBEMbuhN6vpcAIb3WD90VbQX 47dRlwMKEk+xgV05vB9Ky+MOcl9/BvWw+TTrnltW7aYtUpEYPw kSptVdODfX2vv3YKdyhBbnqwbSvR7Ay4pbOFHifpP6ahV1Qprf 7SCwWEGkVLUgdCEy/myreFhdzIGVk/kFFRw9m2FwnjqWDmQVPS LODY3oQxy5svjtxdbhJ3WKvfWe/VGlI+MwgLCjkYavopsGnsTx O7a169ZEwo+eM3zsLNY66KvGdnozHmZE0fRwIrWRQW183M0Y9Q f11nGjqP6vQ6dqcvHFCPBsXNaKSfjCnkHzIdqg1UIfJfvYLmV/ gFRFe+DiBAX755/xdN14= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday 18 January 2013, Vineet Gupta wrote: > TBD: do_csum still needs to be written in asm Do you actually expect a lot of improvement in do_csum? I would hope that gcc can actually generate a pretty good version of it, unless you have some 64-bit add-with-carry instruction or something else that you could make use of. > Signed-off-by: Vineet Gupta Acked-by: Arnd Bergmann