From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH 16/22] virtio_pci: use separate notification offsets for each vq. Date: Wed, 27 Mar 2013 21:50:54 -0700 Message-ID: <5153CC2E.3090908@zytor.com> References: <1363854584-25795-1-git-send-email-rusty@rustcorp.com.au> <1363854584-25795-17-git-send-email-rusty@rustcorp.com.au> <20130321101300.GA30493@redhat.com> <87wqt0du2e.fsf@rustcorp.com.au> <20130324201910.GA31631@redhat.com> <8738vjer43.fsf@rustcorp.com.au> <20130326193911.GA19251@redhat.com> <87ip4d4sef.fsf@rustcorp.com.au> <20130327112535.GE24243@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130327112535.GE24243@redhat.com> 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: "Michael S. Tsirkin" Cc: virtualization@lists.linux-foundation.org List-Id: virtualization@lists.linuxfoundation.org On 03/27/2013 04:25 AM, Michael S. Tsirkin wrote: > > Aha. Yes, good idea. As for how large the offsets are, > I am guessing we should either just say offset is vqn * X and data is > vqn, or give hypervisors full flexibility with 32 bit offset and > arbitrary data. > 16 bit offsets seem neither here nor there ... Shift count? -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.