Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964801AbVLMK0K (ORCPT ); Tue, 13 Dec 2005 05:26:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932612AbVLMK0K (ORCPT ); Tue, 13 Dec 2005 05:26:10 -0500 Received: from smtp.osdl.org ([65.172.181.4]:39048 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S932609AbVLMK0I (ORCPT ); Tue, 13 Dec 2005 05:26:08 -0500 Date: Tue, 13 Dec 2005 02:25:29 -0800 From: Andrew Morton To: Andi Kleen Cc: jakub@redhat.com, ak@suse.de, mingo@elte.hu, dhowells@redhat.com, torvalds@osdl.org, hch@infradead.org, arjan@infradead.org, matthew@wil.cx, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Subject: Re: [PATCH 1/19] MUTEX: Introduce simple mutex implementation Message-Id: <20051213022529.6f88a981.akpm@osdl.org> In-Reply-To: <20051213101152.GU23384@wotan.suse.de> References: <20051212161944.3185a3f9.akpm@osdl.org> <20051213075441.GB6765@elte.hu> <20051213075835.GZ15804@wotan.suse.de> <20051213004257.0f87d814.akpm@osdl.org> <20051213084926.GN23384@wotan.suse.de> <20051213010126.0832356d.akpm@osdl.org> <20051213010233.50fce969.akpm@osdl.org> <20051213100715.GH31785@devserv.devel.redhat.com> <20051213101152.GU23384@wotan.suse.de> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 930 Lines: 27 Andi Kleen wrote: > > > Guess > > > > #if __GNUC__ == 3 && __GNUC_MINOR__ < 3 > > #error Your compiler is too buggy; it is known to miscompile kernels. > > #error Known good compilers: 3.3, 3.4, 4.0 > > #endif > > > > would be better. __GNUC__ < 2 will certainly be errored about in other > > places and it is bad to suggest compilers that are no longer supported > > as known good ones. > > Are there really any known serious miscompilation with 3.1/3.2? > (I knew it used to miscompile some loops on x86-64, but I think I worked > around all that) > > Preventing SLES9 and RHEL3 users from easily compiling new kernels > isn't good. > 3.2.1 works OK on x86. - 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/