Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751872AbWCDOF0 (ORCPT ); Sat, 4 Mar 2006 09:05:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751871AbWCDOF0 (ORCPT ); Sat, 4 Mar 2006 09:05:26 -0500 Received: from scrub.xs4all.nl ([194.109.195.176]:42423 "EHLO scrub.xs4all.nl") by vger.kernel.org with ESMTP id S1751157AbWCDOFZ (ORCPT ); Sat, 4 Mar 2006 09:05:25 -0500 Date: Sat, 4 Mar 2006 15:01:52 +0100 (CET) From: Roman Zippel X-X-Sender: roman@scrub.home To: Andrew Morton cc: Linus Torvalds , bunk@stusta.de, ".geert"@linux-m68k.org, linux-m68k@vger.kernel.org, linux-kernel@vger.kernel.org, nickpiggin@yahoo.com.au Subject: Re: 2.6.16-rc regression: m68k CONFIG_RMW_INSNS=n compile broken In-Reply-To: <20060303155913.2e299736.akpm@osdl.org> Message-ID: References: <20060303230149.GB9295@stusta.de> <20060303155913.2e299736.akpm@osdl.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: 618 Lines: 17 Hi, On Fri, 3 Mar 2006, Andrew Morton wrote: > Yes, we now require cmpxchg of all architectures. Actually I'd prefer if we used atomic_cmpxchg() instead. The cmpxchg() emulation was never added for a good reason - to keep code from assuming it can be used it for userspace synchronisation. Using an atomic_t here would probably get at least some attention. bye, Roman - 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/