From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755197Ab2DPS3g (ORCPT ); Mon, 16 Apr 2012 14:29:36 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:40628 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752861Ab2DPS3f (ORCPT ); Mon, 16 Apr 2012 14:29:35 -0400 Date: Mon, 16 Apr 2012 19:29:27 +0100 From: Andy Whitcroft To: Alan Cox Cc: Jeff Garzik , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, "K. Y. Srinivasan" , Mike Sterling Subject: Re: [PATCH 0/2] Hyper-V disk support V3 Message-ID: <20120416182927.GB3346@shadowen.org> References: <20120414170223.24f6ea31@pyramind.ukuu.org.uk> <1334575229-7493-1-git-send-email-apw@canonical.com> <20120416122634.7d1357e1@ultron> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120416122634.7d1357e1@ultron> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 16, 2012 at 12:26:34PM +0100, Alan Cox wrote: > On Mon, 16 Apr 2012 12:20:27 +0100 > Andy Whitcroft wrote: > > > Add support for ignoring disks devices on specific host controllers to > > libata. Use this support to trigger us to ignore Hyper-V disk devices > > on the emulated SATA device based on the system DMI information. > > > > Jeff, I believe the first patch is what you had in mind in your comments. > > Alan, the piix sadly has no subvendor/subdevice identifiers at all > > So its 0x0000,0x0000 ? > > > though we are able to detect the platform from the DMI information, > > this any better? > > What happens if you have a PIIX device which is being passed through from > the underlying hardware or will hyper-v never support pass through ? A good question indeed. KY perhaps you can comment. -apw