Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261233AbVC0RvA (ORCPT ); Sun, 27 Mar 2005 12:51:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261235AbVC0RvA (ORCPT ); Sun, 27 Mar 2005 12:51:00 -0500 Received: from one.firstfloor.org ([213.235.205.2]:2492 "EHLO one.firstfloor.org") by vger.kernel.org with ESMTP id S261233AbVC0Ru4 (ORCPT ); Sun, 27 Mar 2005 12:50:56 -0500 To: Willy Tarreau Cc: linux-kernel@vger.kernel.org, davej@redhat.com Subject: Re: Linux 2.4.30-rc2 References: <20050326004631.GC17637@logos.cnet> <20050326113426.GO30052@alpha.home.local> From: Andi Kleen Date: Sun, 27 Mar 2005 19:50:54 +0200 In-Reply-To: <20050326113426.GO30052@alpha.home.local> (Willy Tarreau's message of "Sat, 26 Mar 2005 12:34:26 +0100") Message-ID: User-Agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3 (gnu/linux) 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: 792 Lines: 21 Willy Tarreau writes: > Marcelo, > > just another one and that's all. Zachary Amsden found an unconditional > write to a debug register in the signal delivery path which is only > needed when we use a breakpoint. This is a very expensive operation on > x86, and doing it conditionnaly enhanced signal delivery speed by 33% > for him. > > His patch got merged in 2.6.10, and I've merged it a month ago in my > local tree. Could we get it in 2.4.30, please ? I dont think it belongs in 2.4.x. It is not a critical bug fix. -Andi - 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/