From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rusty Russell Subject: Re: [PATCH RFC] virtio-pci: add MMIO property Date: Tue, 20 Mar 2012 10:22:42 +1030 Message-ID: <877gygqhbp.fsf@rustcorp.com.au> References: <20120319155650.GA6430@redhat.com> <4F6786C5.3080902@codemonkey.ws> <20120319204952.GA9747@redhat.com> <4F67A021.6040601@us.ibm.com> <20120319212916.GC9747@redhat.com> <4F67AF72.8080905@codemonkey.ws> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Anthony Liguori , kvm@vger.kernel.org, Alexey Kardashevskiy , qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org, avi@redhat.com To: Anthony Liguori , "Michael S. Tsirkin" Return-path: In-Reply-To: <4F67AF72.8080905@codemonkey.ws> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org List-Id: kvm.vger.kernel.org On Mon, 19 Mar 2012 17:13:06 -0500, Anthony Liguori wrote: > > Maybe just make this a hidden option like x-miio? > > x-violate-the-virtio-spec-to-trick-old-linux-drivers-into-working-on-power? "To configure the device, we use the first I/O region of the PCI device." Meh, it does sound a little like we are specifying that it's an PCI I/O bar. Let's resurrect the PCI-v2 idea, which is ready to implement now, and a nice cleanup? Detach it from the change-of-ring-format idea which is turning out to be a tarpit. Thanks, Rusty. -- How could I marry someone with more hair than me? http://baldalex.org From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:54207) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S9mWu-0006Cf-57 for qemu-devel@nongnu.org; Mon, 19 Mar 2012 20:02:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S9mWr-0003Y8-Ql for qemu-devel@nongnu.org; Mon, 19 Mar 2012 20:02:23 -0400 Received: from ozlabs.org ([203.10.76.45]:38832) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S9mWr-0003Xa-FC for qemu-devel@nongnu.org; Mon, 19 Mar 2012 20:02:21 -0400 From: Rusty Russell In-Reply-To: <4F67AF72.8080905@codemonkey.ws> References: <20120319155650.GA6430@redhat.com> <4F6786C5.3080902@codemonkey.ws> <20120319204952.GA9747@redhat.com> <4F67A021.6040601@us.ibm.com> <20120319212916.GC9747@redhat.com> <4F67AF72.8080905@codemonkey.ws> Date: Tue, 20 Mar 2012 10:22:42 +1030 Message-ID: <877gygqhbp.fsf@rustcorp.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: Re: [Qemu-devel] [PATCH RFC] virtio-pci: add MMIO property List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori , "Michael S. Tsirkin" Cc: Anthony Liguori , kvm@vger.kernel.org, Alexey Kardashevskiy , qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org, avi@redhat.com On Mon, 19 Mar 2012 17:13:06 -0500, Anthony Liguori wrote: > > Maybe just make this a hidden option like x-miio? > > x-violate-the-virtio-spec-to-trick-old-linux-drivers-into-working-on-power? "To configure the device, we use the first I/O region of the PCI device." Meh, it does sound a little like we are specifying that it's an PCI I/O bar. Let's resurrect the PCI-v2 idea, which is ready to implement now, and a nice cleanup? Detach it from the change-of-ring-format idea which is turning out to be a tarpit. Thanks, Rusty. -- How could I marry someone with more hair than me? http://baldalex.org