From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264595AbUG0L0m (ORCPT ); Tue, 27 Jul 2004 07:26:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264633AbUG0L0m (ORCPT ); Tue, 27 Jul 2004 07:26:42 -0400 Received: from cantor.suse.de ([195.135.220.2]:24010 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S264595AbUG0L0l (ORCPT ); Tue, 27 Jul 2004 07:26:41 -0400 Date: Tue, 27 Jul 2004 13:26:38 +0200 From: Andi Kleen To: Zwane Mwaikambo Cc: linux-kernel@vger.kernel.org, akpm@osdl.org Subject: Re: [PATCH][2.6] Allow x86_64 to reenable interrupts on contention Message-Id: <20040727132638.7d26e825.ak@suse.de> In-Reply-To: References: X-Mailer: Sylpheed version 0.9.11 (GTK+ 1.2.10; i686-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 On Tue, 27 Jul 2004 05:29:10 -0400 (EDT) Zwane Mwaikambo wrote: > This is a follow up to the previous patches for ia64 and i386, it will > allow x86_64 to reenable interrupts during contested locks depending on > previous interrupt enable status. It has been runtime and compile tested > on UP and 2x SMP Linux-tiny/x86_64. This will likely increase code size. Do you have numbers by how much? And is it really worth it? -Andi