From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52861) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WFJa0-0001yF-Pn for qemu-devel@nongnu.org; Mon, 17 Feb 2014 03:29:38 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WFJZu-0008Qt-RB for qemu-devel@nongnu.org; Mon, 17 Feb 2014 03:29:32 -0500 Received: from mx1.redhat.com ([209.132.183.28]:60028) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WFJZu-0008Qc-JD for qemu-devel@nongnu.org; Mon, 17 Feb 2014 03:29:26 -0500 Message-ID: <1392625760.26953.9.camel@nilsson.home.kraxel.org> From: Gerd Hoffmann Date: Mon, 17 Feb 2014 09:29:20 +0100 In-Reply-To: <1391777496-3882-1-git-send-email-imammedo@redhat.com> References: <1391777496-3882-1-git-send-email-imammedo@redhat.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC 0/9] generate dynamic _CRS for motherboard resources List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Igor Mammedov Cc: qemu-devel@nongnu.org, anthony@codemonkey.ws, mst@redhat.com On Fr, 2014-02-07 at 13:51 +0100, Igor Mammedov wrote: > Since introduction of PCIHP, it became problematic to > punch hole in PCI0._CRS statically since PCI hotplug > region size became runtime changeable. > > So replace static hole punching with dynamically consumed > resources in a child device on PCI0 bus. i.e generate > PNP0C02 device as a child of PCI0 bus at runtime and > consume GPE0, PCI/CPU hotplug IO resources in it instead > of punching holes in static PCI0._CRS. Nice. Can you try to do that for the mmconf xbar in memory space too while being at it? cheers, Gerd