From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: packed ring layout proposal v3 Date: Mon, 30 Oct 2017 04:08:46 +0200 Message-ID: <20171030040341-mutt-send-email-mst@kernel.org> References: <20160915223915.qjlnlvf2w7u37bu3@redhat.com> <20171025191346-mutt-send-email-mst@kernel.org> <20171029162117-mutt-send-email-mst@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Ilya Lesokhin Cc: "virtio-dev@lists.oasis-open.org" , "virtualization@lists.linux-foundation.org" List-Id: virtualization@lists.linuxfoundation.org On Sun, Oct 29, 2017 at 02:34:56PM +0000, Ilya Lesokhin wrote: > > -----Original Message----- > > From: Michael S. Tsirkin [mailto:mst@redhat.com] > > Sent: Sunday, October 29, 2017 4:22 PM > > To: Ilya Lesokhin > > Cc: virtio-dev@lists.oasis-open.org; virtualization@lists.linux-foundation.org > > Subject: Re: packed ring layout proposal v3 > > > > If you do this whats the point of the id? Just use descriptor offset like virtio 0 did. > > > > I agree that ID is pointless when requests are completed in order. > > But I'm not sure what you mean by descriptor offset? Where the descriptor is within the ring. -- MST