Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267620AbUIOV5m (ORCPT ); Wed, 15 Sep 2004 17:57:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267595AbUIOV4o (ORCPT ); Wed, 15 Sep 2004 17:56:44 -0400 Received: from dragnfire.mtl.istop.com ([66.11.160.179]:23761 "EHLO dsl.commfireservices.com") by vger.kernel.org with ESMTP id S267646AbUIOVzb (ORCPT ); Wed, 15 Sep 2004 17:55:31 -0400 Date: Wed, 15 Sep 2004 17:55:30 +0000 (UTC) From: Zwane Mwaikambo To: Andrew Morton Cc: Linux Kernel , Andi Kleen , William Lee Irwin III , Ingo Molnar Subject: Re: [PATCH] remove LOCK_SECTION from x86_64 spin_lock asm In-Reply-To: <20040915144523.0fec2070.akpm@osdl.org> Message-ID: References: <20040915144523.0fec2070.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: 825 Lines: 24 On Wed, 15 Sep 2004, Andrew Morton wrote: > 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 ;) Yeah profile_pc on x86_64 is just broken, i'll have a look. Thanks, Zwane - 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/