From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: virtio-pci new configuration proposal Date: Thu, 3 Nov 2011 13:03:39 +0200 Message-ID: <20111103110339.GB18296@redhat.com> References: <1320259767.22582.2.camel@lappy> <8762j2t19l.fsf@rustcorp.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <8762j2t19l.fsf@rustcorp.com.au> 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: Rusty Russell Cc: Anthony Liguori , virtualization , Sasha Levin , kvm , linux-kernel List-Id: virtualization@lists.linuxfoundation.org On Thu, Nov 03, 2011 at 12:28:46PM +1030, Rusty Russell wrote: > 3) If we're changing the queue layout, it's a chance to fix a > longstanding bug: let the guest notify the host of preferred > queue size and alignment. With device config split from the common one, we can just tuck new fields at the tail of the common one. -- MST From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754467Ab1KCLCb (ORCPT ); Thu, 3 Nov 2011 07:02:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59945 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753215Ab1KCLC2 (ORCPT ); Thu, 3 Nov 2011 07:02:28 -0400 Date: Thu, 3 Nov 2011 13:03:39 +0200 From: "Michael S. Tsirkin" To: Rusty Russell Cc: Sasha Levin , linux-kernel , kvm , virtualization , Anthony Liguori Subject: Re: virtio-pci new configuration proposal Message-ID: <20111103110339.GB18296@redhat.com> References: <1320259767.22582.2.camel@lappy> <8762j2t19l.fsf@rustcorp.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8762j2t19l.fsf@rustcorp.com.au> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 03, 2011 at 12:28:46PM +1030, Rusty Russell wrote: > 3) If we're changing the queue layout, it's a chance to fix a > longstanding bug: let the guest notify the host of preferred > queue size and alignment. With device config split from the common one, we can just tuck new fields at the tail of the common one. -- MST