From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763495AbYF3Shp (ORCPT ); Mon, 30 Jun 2008 14:37:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754280AbYF3ShH (ORCPT ); Mon, 30 Jun 2008 14:37:07 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:60853 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753552AbYF3ShF (ORCPT ); Mon, 30 Jun 2008 14:37:05 -0400 Date: Mon, 30 Jun 2008 20:35:50 +0200 From: Ingo Molnar To: Joerg Roedel Cc: mingo@redhat.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, bhavna.sarathy@amd.com, "Rafael J. Wysocki" Subject: Re: [PATCH] AMD IOMMU: disable suspend/resume with IOMMU enabled (for now) Message-ID: <20080630183550.GE32211@elte.hu> References: <1214849882-18550-1-git-send-email-joerg.roedel@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1214849882-18550-1-git-send-email-joerg.roedel@amd.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Joerg Roedel wrote: > This patch disables suspend/resume on machines with AMD IOMMU enabled. > Real suspend/resume support for AMD IOMMU is currently being worked > on. Until this is ready it will be disabled to avoid data corruption > when the IOMMU is not properly re-enabled at resume. The patch is > based on a similar patch for the GART driver written by Pavel Machek. > The overall driver merged into tip/master is tested with parallel disk > and network loads and showed no problems in a test running for 3 days. applied to tip/x86/amd-iommu, thanks Joerg. Ingo