From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758847AbYEIXiM (ORCPT ); Fri, 9 May 2008 19:38:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756485AbYEIXh5 (ORCPT ); Fri, 9 May 2008 19:37:57 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:41104 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756427AbYEIXh5 (ORCPT ); Fri, 9 May 2008 19:37:57 -0400 Date: Fri, 9 May 2008 16:37:31 -0700 From: Andrew Morton To: Andreas Herrmann Cc: tglx@linutronix.de, mingo@elte.hu, hpa@zytor.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86: enable hpet=force for AMD SB400 Message-Id: <20080509163731.5f851bec.akpm@linux-foundation.org> In-Reply-To: <20080509094911.GG5023@alberich.amd.com> References: <20080509094911.GG5023@alberich.amd.com> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 9 May 2008 11:49:11 +0200 Andreas Herrmann wrote: > x86: enable hpet=force for ATI SB400 Sigh. > Add quirk to allow forced usage of HPET on ATI SB400. > I stumbled over machines where HPET is enabled but not reported > by BIOS. Is there no way in which we can probe for or identify this condition, rather than hoping that the user will find out about this boot option?