From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758401AbYETI7H (ORCPT ); Tue, 20 May 2008 04:59:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758857AbYETI6z (ORCPT ); Tue, 20 May 2008 04:58:55 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:36836 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758645AbYETI6y (ORCPT ); Tue, 20 May 2008 04:58:54 -0400 Date: Tue, 20 May 2008 09:46:04 +0100 From: Alan Cox To: Arnd Bergmann Cc: Jonathan Corbet , Linus Torvalds , Ingo Molnar , Andrew Morton , Peter Zijlstra , Thomas Gleixner , Alexander Viro , linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3, RFC] misc char dev BKL pushdown Message-ID: <20080520094604.5efc323e@core> In-Reply-To: <200805200126.29738.arnd@arndb.de> References: <13762.1211142411@vena.lwn.net> <200805200107.51659.arnd@arndb.de> <200805200126.29738.arnd@arndb.de> X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 20 May 2008 01:26:28 +0200 Arnd Bergmann wrote: > The Big Kernel Lock has been pushed down from chardev_open > to misc_open, this change moves it to the individual misc > driver open functions. > > As before, the change was purely mechanical, most drivers > should actually not need the BKL. In particular, we still > hold the misc_mtx() while calling the open() function > The patch should probably be split into one changeset > per driver. > > Signed-off-by: Arnd Bergmann Acked-by: Alan Cox