Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267587AbUIOVpt (ORCPT ); Wed, 15 Sep 2004 17:45:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267601AbUIOVow (ORCPT ); Wed, 15 Sep 2004 17:44:52 -0400 Received: from fw.osdl.org ([65.172.181.6]:43964 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S267587AbUIOVlk (ORCPT ); Wed, 15 Sep 2004 17:41:40 -0400 Date: Wed, 15 Sep 2004 14:45:23 -0700 From: Andrew Morton To: Zwane Mwaikambo Cc: linux-kernel@vger.kernel.org, ak@suse.de, wli@holomorphy.com, Ingo Molnar Subject: Re: [PATCH] remove LOCK_SECTION from x86_64 spin_lock asm Message-Id: <20040915144523.0fec2070.akpm@osdl.org> In-Reply-To: References: X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i586-pc-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: 682 Lines: 16 Zwane Mwaikambo wrote: > > William spotted this stray bit, LOCK_SECTION isn't used anymore on x86_64. btw, Ingo and I were scratching heads over an x86_64 oops in curent -linus trees. If you enable profiling and frame pointers, profile_pc() goes splat dereferencing the `regs' argument when it decides that the pc refers to a lock section. Ingo said `regs' had a value of 0x2, iirc. Consider this a bug report ;) - 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/