Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751931Ab0DDHaH (ORCPT ); Sun, 4 Apr 2010 03:30:07 -0400 Received: from smtprelay03.ispgateway.de ([80.67.31.37]:40228 "EHLO smtprelay03.ispgateway.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751553Ab0DDHaB (ORCPT ); Sun, 4 Apr 2010 03:30:01 -0400 X-Greylist: delayed 321 seconds by postgrey-1.27 at vger.kernel.org; Sun, 04 Apr 2010 03:30:01 EDT Message-ID: <4BB83EAE.5090609@bwalle.de> Date: Sun, 04 Apr 2010 09:24:30 +0200 From: Bernhard Walle User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; de; rv:1.9.1.9) Gecko/20100317 Thunderbird/3.0.4 MIME-Version: 1.0 To: "Eric W. Biederman" CC: Joerg Roedel , nhorman@redhat.com, nhorman@tuxdriver.com, Joerg Roedel , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Chris Wright , hbabu@us.ibm.com, iommu@lists.linux-foundation.org, vgoyal@redhat.com Subject: Re: [PATCH 3/4] Revert "x86: disable IOMMUs on kernel crash" References: <20100403012751.834020949@sous-sol.org> <20100403012820.229410717@sous-sol.org> <20100403174128.GQ24846@8bytes.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Df-Sender: bernhard@bwalle.de Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 626 Lines: 16 Am 03.04.10 19:49, schrieb Eric W. Biederman: > Not a problem. We require a lot of things of the kdump kernel, > and it is immediately apparent in a basic sanity test. Also, in most cases (for example: distribution kernels), the kdump kernel nowadays is identical to the running kernel. So, if the running kernel has IOMMU support, the kdump kernel also has. Regards, Bernhard -- 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/