Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964860AbVJDRXv (ORCPT ); Tue, 4 Oct 2005 13:23:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964861AbVJDRXv (ORCPT ); Tue, 4 Oct 2005 13:23:51 -0400 Received: from free.hands.com ([83.142.228.128]:37262 "EHLO free.hands.com") by vger.kernel.org with ESMTP id S964860AbVJDRXv (ORCPT ); Tue, 4 Oct 2005 13:23:51 -0400 Date: Tue, 4 Oct 2005 18:23:38 +0100 From: Luke Kenneth Casson Leighton To: Nikita Danilov Cc: "Martin J. Bligh" , Rik van Riel , linux-kernel@vger.kernel.org Subject: Re: what's next for the linux kernel? Message-ID: <20051004172338.GZ10538@lkcl.net> References: <20051002204703.GG6290@lkcl.net> <54300000.1128297891@[10.10.2.4]> <20051003011041.GN6290@lkcl.net> <200510022028.07930.chase.venters@clientec.com> <20051004125955.GQ10538@lkcl.net> <17218.39427.421249.448094@gargle.gargle.HOWL> <20051004161702.GU10538@lkcl.net> <17218.47309.332739.836271@gargle.gargle.HOWL> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <17218.47309.332739.836271@gargle.gargle.HOWL> User-Agent: Mutt/1.5.5.1+cvs20040105i X-hands-com-MailScanner: Found to be clean X-MailScanner-From: lkcl@lkcl.net Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1053 Lines: 35 On Tue, Oct 04, 2005 at 09:15:57PM +0400, Nikita Danilov wrote: > Luke Kenneth Casson Leighton writes: > > [...] > > > > > assuming that you have an intelligent programmer (or some really good > > and working parallelisation tools) who really knows his threads? > > Well, I'd like to have a hardware with CAS-n operation for one > thing. CAS - compare and swap - by CAS-n i presume that you mean effectively a SIMD CAS instruction? > But what would this buy us? you do not say :) i am genuinely interested to hear what it would buy. > Having different kernel algorithms > for x86 and mythical cas-n-able hardware is not viable. if i can get an NPTL .deb package for glibc for x86 only it would tend to imply that that isn't a valid conclusion: am i missing something? cheers, l. - 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/