From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:42505) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R1vFX-00080Y-Ef for qemu-devel@nongnu.org; Fri, 09 Sep 2011 03:11:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1R1vFW-0000zf-F3 for qemu-devel@nongnu.org; Fri, 09 Sep 2011 03:11:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60528) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R1vFW-0000zb-0r for qemu-devel@nongnu.org; Fri, 09 Sep 2011 03:11:42 -0400 Date: Fri, 9 Sep 2011 10:12:37 +0300 From: "Michael S. Tsirkin" Message-ID: <20110909071237.GA5593@redhat.com> References: <20110704094358.GA10960@redhat.com> <4E4B7DE1.3050405@cn.fujitsu.com> <4E4C8577.5000608@cn.fujitsu.com> <4E4D2C9F.6040805@redhat.com> <4E4DF0A0.6000108@cn.fujitsu.com> <4E4E808C.4000205@redhat.com> <4E69B58C.2010606@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4E69B58C.2010606@cn.fujitsu.com> Subject: Re: [Qemu-devel] [PATCH] pci: add standard bridge device List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Wen Congyang Cc: Kevin Wolf , Isaku Yamahata , Avi Kivity , qemu-devel@nongnu.org On Fri, Sep 09, 2011 at 02:43:24PM +0800, Wen Congyang wrote: > > However, filtering doesn't work. You could put a BAR outside the > > filtered area and it would be visible to the guest. > > > > I test it on real hardware. If I put a BAR outside the filterer area, and > then run 'lspci -vv', the BAR does not change: ... > The BAR1 is feafbc00, and it is in the bus2's range. > I map the BAR(mmap /sys/bus/pci/devices/0000\:03\:01.0/resource1), and find > I can read and write the memory. > > Thanks > Wen Congyang So, it's as expected. Nothing seems wrong with this picture. But this is not the test that Avi suggested. -- MST