Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752391Ab3GEGXv (ORCPT ); Fri, 5 Jul 2013 02:23:51 -0400 Received: from mail-ea0-f169.google.com ([209.85.215.169]:43656 "EHLO mail-ea0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750716Ab3GEGXu (ORCPT ); Fri, 5 Jul 2013 02:23:50 -0400 Date: Fri, 5 Jul 2013 08:23:45 +0200 From: Ingo Molnar To: Maarten Lankhorst Cc: Linus Torvalds , Linux Kernel Mailing List , Peter Zijlstra , Thomas Gleixner , Andrew Morton , Dave Airlie Subject: Re: [GIT PULL] core/mutexes changes for v3.11: W/W mutex support Message-ID: <20130705062345.GA29487@gmail.com> References: <20130701082221.GA14112@gmail.com> <51D3C4C8.8060701@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <51D3C4C8.8060701@canonical.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1572 Lines: 42 * Maarten Lankhorst wrote: > Hey, > > Op 03-07-13 02:54, Linus Torvalds schreef: > > On Mon, Jul 1, 2013 at 1:22 AM, Ingo Molnar wrote: > >> Please pull the latest core-mutexes-for-linus git tree from: > >> > >> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core-mutexes-for-linus > >> > >> HEAD: 166989e366ffa66108b2f37b870e66b85b2185ad locking-selftests: Handle unexpected failures more strictly > >> > >> This tree adds support for wound/wait style locks, which the graphics guys > >> would like to make use of in the TTM graphics subsystem. > > So I pulled this, but I'm not particularly happy with how this (very > > unusual) lock pollutes that pretty much every single > > file ends up including. > > > > So I'd really prefer to see the ww_mutex() support split up into > > , rather than making the compiler have to parse and > > remember that stuff when 99.99% of all files do not care about it or > > need it. > > Sounds good to me, but can it wait until with the drm pull is done? The ordering should not matter much as the combination will be tested in linux-next anyway. > Preliminary diff below. Looks good to me at first sight. Please send a tested, changelogged, signed off version. Thanks, Ingo -- 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/