Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937564AbWLFTsA (ORCPT ); Wed, 6 Dec 2006 14:48:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S937568AbWLFTsA (ORCPT ); Wed, 6 Dec 2006 14:48:00 -0500 Received: from mx1.redhat.com ([66.187.233.31]:50398 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937564AbWLFTr7 (ORCPT ); Wed, 6 Dec 2006 14:47:59 -0500 From: David Howells In-Reply-To: <20061206191252.GH32748@xi.wantstofly.org> References: <20061206191252.GH32748@xi.wantstofly.org> <20061206164314.19870.33519.stgit@warthog.cambridge.redhat.com> To: Lennert Buytenhek Cc: David Howells , torvalds@osdl.org, akpm@osdl.org, linux-arm-kernel@lists.arm.linux.org.uk, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] WorkStruct: Implement generic UP cmpxchg() where an arch doesn't support it X-Mailer: MH-E 8.0; nmh 1.1; GNU Emacs 22.0.50 Date: Wed, 06 Dec 2006 19:47:22 +0000 Message-ID: <28668.1165434442@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 633 Lines: 23 Lennert Buytenhek wrote: > > Pre-v6 ARM doesn't support SMP according to ARM's atomic.h, > > That's not quite true, there exist ARMv5 processors that in theory > can support SMP. I meant that the Linux ARM arch doesn't support it: #else /* ARM_ARCH_6 */ #include #ifdef CONFIG_SMP #error SMP not supported on pre-ARMv6 CPUs #endif David - 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/