From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58471) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YDAxX-00023m-P2 for qemu-devel@nongnu.org; Mon, 19 Jan 2015 06:57:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YDAxS-00085R-QK for qemu-devel@nongnu.org; Mon, 19 Jan 2015 06:57:31 -0500 Received: from mx1.redhat.com ([209.132.183.28]:57293) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YDAxS-00085D-Ic for qemu-devel@nongnu.org; Mon, 19 Jan 2015 06:57:26 -0500 Message-ID: <1421668638.3610.23.camel@nilsson.home.kraxel.org> From: Gerd Hoffmann Date: Mon, 19 Jan 2015 12:57:18 +0100 In-Reply-To: <1421659723-2496-8-git-send-email-tiejun.chen@intel.com> References: <1421659723-2496-1-git-send-email-tiejun.chen@intel.com> <1421659723-2496-8-git-send-email-tiejun.chen@intel.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [v6][PATCH 07/10] xen, gfx passthrough: register a isa bridge List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Tiejun Chen Cc: mst@redhat.com, allen.m.kay@intel.com, qemu-devel@nongnu.org, aliguori@amazon.com, yang.z.zhang@intel.com, pbonzini@redhat.com, rth@twiddle.net On Mo, 2015-01-19 at 17:28 +0800, Tiejun Chen wrote: > Currently IGD drivers always need to access PCH by 1f.0. But we Obvious question: q35? q35 already has a isa bridge @ 0x1f.0. Guess that needs to be extended for the pass-through then (simliar to the host bridge) instead of adding a dummy bridge. Also: again xen naming here. cheers, Gerd