From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757152AbaE2Gog (ORCPT ); Thu, 29 May 2014 02:44:36 -0400 Received: from mail.emea.novell.com ([130.57.118.101]:56553 "EHLO mail.emea.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756361AbaE2God convert rfc822-to-8bit (ORCPT ); Thu, 29 May 2014 02:44:33 -0400 Message-Id: <5386E55F02000078000B524F@mail.emea.novell.com> X-Mailer: Novell GroupWise Internet Agent 14.0.0 Date: Thu, 29 May 2014 07:44:31 +0100 From: "Jan Beulich" To: , Cc: Subject: Re: [RFC PATCH] crypto: crc32c-pclmul - Use pmovzxdq to shrink K_table References: <5386596402000078000B51F8@mail.emea.novell.com> <20140528214703.26413.qmail@ns.horizon.com> In-Reply-To: <20140528214703.26413.qmail@ns.horizon.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> "George Spelvin" 05/28/14 11:47 PM >>> >Jan Beulich wrote: >> "George Spelvin" 05/28/14 4:40 PM >>> Jan: Is support for SLE10's pre-2.18 binutils still required? >>> Your PEXTRD fix was only a year ago, so I expect, but I wanted to ask. > >> I'd much appreciate if I would be able to build the kernel that way for >> another while. > >Does it matter that the code I'm working on is 64-bit only? No. >It aready >uses crc32q instruction (added with SSE4.2) with no assembler workarounds, >so I figure pmovzxdq (part of SSE 4.1) doesn't make it any worse. If that's the case, then adding another (earlier) one shouldn't be an issue. Jan