From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756859Ab0BQVca (ORCPT ); Wed, 17 Feb 2010 16:32:30 -0500 Received: from cantor.suse.de ([195.135.220.2]:54353 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756353Ab0BQVc2 (ORCPT ); Wed, 17 Feb 2010 16:32:28 -0500 Date: Wed, 17 Feb 2010 22:32:25 +0100 Message-ID: From: Takashi Iwai To: Thomas Gleixner Cc: LKML , x86 team , Ralf Baechle , Dmitry Torokhov , Jens Axboe Subject: Re: [patch] i8253: Convert i8253_lock to raw_spinlock In-Reply-To: <20100217163751.030764372@linutronix.de> References: <20100217163751.030764372@linutronix.de> User-Agent: Wanderlust/2.15.6 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.7 Emacs/23.1 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Wed, 17 Feb 2010 16:47:10 -0000, Thomas Gleixner wrote: > > i8253_lock needs to be a real spinlock in preempt-rt, i.e. it can > not be converted to a sleeping lock. > > Convert it to raw_spinlock and fix up all users. > > Signed-off-by: Thomas Gleixner > Cc: Ralf Baechle > Cc: Dmitry Torokhov > Cc: Takashi Iwai Acked-by: Takashi Iwai thanks, Takashi