From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52062) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZICwr-0004dj-VA for qemu-devel@nongnu.org; Thu, 23 Jul 2015 05:37:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZICwm-0001rL-O8 for qemu-devel@nongnu.org; Thu, 23 Jul 2015 05:37:53 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56088) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZICwm-0001rB-Jm for qemu-devel@nongnu.org; Thu, 23 Jul 2015 05:37:48 -0400 References: <1437544792-3949-3-git-send-email-jasowang@redhat.com> <20150722105843.41d22942.cornelia.huck@de.ibm.com> <20150722121913-mutt-send-email-mst@redhat.com> <20150722122531.5f0218e7.cornelia.huck@de.ibm.com> <20150722132638-mutt-send-email-mst@redhat.com> <20150722123840.0fcb9b95.cornelia.huck@de.ibm.com> <20150722133908-mutt-send-email-mst@redhat.com> <20150722125522.25109a04.cornelia.huck@de.ibm.com> <20150722175008-mutt-send-email-mst@redhat.com> <20150722181116.75ff1e7b.cornelia.huck@de.ibm.com> <20150722192544-mutt-send-email-mst@redhat.com> <20150723110718.4bd4ae5d.cornelia.huck@de.ibm.com> From: Paolo Bonzini Message-ID: <55B0B5E8.6030104@redhat.com> Date: Thu, 23 Jul 2015 11:37:44 +0200 MIME-Version: 1.0 In-Reply-To: <20150723110718.4bd4ae5d.cornelia.huck@de.ibm.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH V3 2/3] virtio-blk: fail get_features when both scsi and 1.0 were set List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Cornelia Huck , "Michael S. Tsirkin" Cc: Jason Wang , qemu-devel@nongnu.org On 23/07/2015 11:07, Cornelia Huck wrote: > > Paolo said this specific feature has been deprecated for years, no > > one should be using it, so we dropped it from spec. > > Nothing wrong with that. But "it's deprecated" does not mean "nobody's > using it", I fear. The question is: Should qemu accommodate those users? "It's deprecated" does mean (or at least can mean) "it's going to go away in relatively exceptional circumstances". virtio 1 counts as relatively exceptional, I think. Paolo