Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758375Ab0BRTnN (ORCPT ); Thu, 18 Feb 2010 14:43:13 -0500 Received: from fg-out-1718.google.com ([72.14.220.156]:36161 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751524Ab0BRTnL convert rfc822-to-8bit (ORCPT ); Thu, 18 Feb 2010 14:43:11 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=WSSiZGDaP+J6Rk9tZxvZ5K9T+YMaMNRuRwupD0HMJiZD6DrDI/mwZHkkC4cD/X+dCB DYZ3pQFPPM3itWcRZqzxV56tPZOhVRCkDufJWO6mwh/Pq2jxtRdV6RpdGQ6k/419KDkV 59pfHOIKmwhlTji9RPQVNJZ117BHMXpTdL3qw= MIME-Version: 1.0 In-Reply-To: <4B7D8FA5.40901@zytor.com> References: <1266406962-17463-1-git-send-email-luca@luca-barbieri.com> <1266406962-17463-10-git-send-email-luca@luca-barbieri.com> <87eikj54wp.fsf@basil.nowhere.org> <20100218101156.GE5964@basil.fritz.box> <4B7D7060.1080908@zytor.com> <4B7D8FA5.40901@zytor.com> Date: Thu, 18 Feb 2010 20:43:10 +0100 X-Google-Sender-Auth: 9a45414ba9462f9e Message-ID: Subject: Re: [PATCH 09/10] x86-32: use SSE for atomic64_read/set if available From: Luca Barbieri To: "H. Peter Anvin" Cc: Andi Kleen , mingo@elte.hu, a.p.zijlstra@chello.nl, akpm@linux-foundation.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 604 Lines: 12 > We don't care about 486 SMP. ?And yes, I think it is a better option. > At least an assembly option, once implemented, will *stay* implemented > and won't break due to some obscure gcc change. After looking at it a bit more I fully agree: I'll resubmit with a cli/popf assembly implementation and without the SSE code (which can be done later if desired). -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/