Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932090AbWJNALp (ORCPT ); Fri, 13 Oct 2006 20:11:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932089AbWJNALp (ORCPT ); Fri, 13 Oct 2006 20:11:45 -0400 Received: from gw.goop.org ([64.81.55.164]:62172 "EHLO mail.goop.org") by vger.kernel.org with ESMTP id S932090AbWJNALo (ORCPT ); Fri, 13 Oct 2006 20:11:44 -0400 Message-ID: <45302C01.4070503@goop.org> Date: Fri, 13 Oct 2006 17:14:57 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 1.5.0.7 (X11/20061004) MIME-Version: 1.0 To: Alan Cox CC: Andreas Mohr , John Richard Moser , Chris Friesen , linux-kernel@vger.kernel.org Subject: Re: Can context switches be faster? References: <452E62F8.5010402@comcast.net> <452E9E47.8070306@nortel.com> <452EA441.6070703@comcast.net> <452EA700.9060009@goop.org> <20061013233238.GA6038@rhlx01.fht-esslingen.de> <1160785812.25218.99.camel@localhost.localdomain> In-Reply-To: <1160785812.25218.99.camel@localhost.localdomain> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 519 Lines: 15 Alan Cox wrote: > We already do. The newer x86 processors also have TLB tagging so they > can (if you find one without errata!) avoid the actual flush and instead > track the tag. Are there any? I think AMD dropped it rather than spend the effort to make it work. J - 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/