From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759512AbYELUno (ORCPT ); Mon, 12 May 2008 16:43:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759363AbYELUn0 (ORCPT ); Mon, 12 May 2008 16:43:26 -0400 Received: from outbound-mail-108.bluehost.com ([69.89.22.8]:36610 "HELO outbound-mail-108.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1759333AbYELUnY (ORCPT ); Mon, 12 May 2008 16:43:24 -0400 From: Jesse Barnes To: mgross@linux.intel.com Subject: Re: [PATCH]Make the intel-iommu_wait_op macro work when jiffies are not running Date: Mon, 12 May 2008 13:43:22 -0700 User-Agent: KMail/1.9.9 Cc: lkml References: <20080512204157.GA32017@linux.intel.com> In-Reply-To: <20080512204157.GA32017@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200805121343.22735.jbarnes@virtuousgeek.org> X-Identified-User: {642:box128.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 75.111.27.49 authed with jbarnes@virtuousgeek.org} DomainKey-Status: no signature Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday, May 12, 2008 1:41 pm mark gross wrote: > The following patch changes the intel-iommu.c code to use the TSC > instead of jiffies for detecting bad DMAR functionality. Some systems > with bad bios's have been seen to hang in early boot spinning in the > IOMMU_WAIT_IO macro. This patch will replace the forever spin with a > call to panic. > > > diffstat: > $ diffstat patches/wait_op_tsc.patch > intel-iommu.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > --mgross > > Signed-off-by:mark gross Applied to the 'for-linus' tree. Thanks, Jesse