From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Rusty Russell Subject: Re: [RFC][PATCH] virtio: 64 bit features In-Reply-To: <20110411165525.GA1395@redhat.com> References: <20110411165525.GA1395@redhat.com> Date: Tue, 12 Apr 2011 12:55:42 +0930 Message-ID: <87ei58cfrd.fsf@rustcorp.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: "Michael S. Tsirkin" , Carsten Otte , Christian Borntraeger , linux390@de.ibm.com, Martin Schwidefsky , Heiko Carstens "Michael S. Tsirkin" , lguest@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, virtualization@lists.linux-foundation.org List-ID: On Mon, 11 Apr 2011 19:55:25 +0300, "Michael S. Tsirkin" wrote: > Extend features to 64 bit so we can use more > transport bits. > > Future patches add two new feature bits which would > exhaust the supply of transport feature bits, > so let's add bit 31 to tell the guest that > there are now 64 worth of features. > > For PCI this also changes the config layout. > > Signed-off-by: Michael S. Tsirkin This was pretty much the way I imagined it would work. We need a patch to the spec and a lot of cross testing... Thanks! Rusty.