Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937605AbWLFUML (ORCPT ); Wed, 6 Dec 2006 15:12:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S937603AbWLFUML (ORCPT ); Wed, 6 Dec 2006 15:12:11 -0500 Received: from omx1-ext.sgi.com ([192.48.179.11]:55936 "EHLO omx1.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S937602AbWLFUMI (ORCPT ); Wed, 6 Dec 2006 15:12:08 -0500 Date: Wed, 6 Dec 2006 12:11:01 -0800 (PST) From: Christoph Lameter To: Matthew Wilcox cc: Linus Torvalds , Russell King , David Howells , Andrew Morton , linux-arm-kernel@lists.arm.linux.org.uk, Linux Kernel Mailing List , linux-arch@vger.kernel.org Subject: Re: [PATCH] WorkStruct: Implement generic UP cmpxchg() where an arch doesn't support it In-Reply-To: <20061206195050.GA3013@parisc-linux.org> Message-ID: References: <20061206164314.19870.33519.stgit@warthog.cambridge.redhat.com> <20061206192647.GW3013@parisc-linux.org> <20061206193641.GY3013@parisc-linux.org> <20061206195050.GA3013@parisc-linux.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 690 Lines: 18 On Wed, 6 Dec 2006, Matthew Wilcox wrote: > On Wed, Dec 06, 2006 at 11:47:40AM -0800, Christoph Lameter wrote: > > Nope this is a UP implementation. There is no cpu B. > > Follow the thread back. I'm talking about parisc. Machines exist (are > still being sold) with up to 128 cores. I think the largest we've > confirmed work are 8 CPUs. And you only have an atomic get and clear atomic op? Amazing. Is this really still in production? - 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/