From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56869) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYbbK-0002BD-AW for qemu-devel@nongnu.org; Wed, 24 Feb 2016 10:43:43 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aYbbF-0000jZ-DS for qemu-devel@nongnu.org; Wed, 24 Feb 2016 10:43:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:44180) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYbbF-0000jV-7s for qemu-devel@nongnu.org; Wed, 24 Feb 2016 10:43:37 -0500 References: <1456239585-13324-1-git-send-email-den@openvz.org> <1456239585-13324-2-git-send-email-den@openvz.org> <20160223172048-mutt-send-email-mst@redhat.com> <56CC7ADD.5080508@openvz.org> <20160223174837-mutt-send-email-mst@redhat.com> <20160224100133.GA2519@rkaganb.sw.ru> <20160224162344-mutt-send-email-mst@redhat.com> From: Eric Blake Message-ID: <56CDCFA7.90308@redhat.com> Date: Wed, 24 Feb 2016 08:43:35 -0700 MIME-Version: 1.0 In-Reply-To: <20160224162344-mutt-send-email-mst@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LKCum3XPa1bspDurTBnO43IrD8qaNiJSq" Subject: Re: [Qemu-devel] [PATCH 1/2] virtio-balloon: export all balloon statistics List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" , Roman Kagan , "Denis V. Lunev" , Igor Redko , qemu-devel@nongnu.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --LKCum3XPa1bspDurTBnO43IrD8qaNiJSq Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 02/24/2016 07:31 AM, Michael S. Tsirkin wrote: >> One of the benefits is forward compatibility, so that counters that ha= ve >> graduated into supported ones and have got their own number and name, >> can be made to work with qemu that doesn't yet recognize them. >=20 > Then management does start relying on the x- prefixed things, > and once it's used to that it's a slippery slope. Any management tool that relies on an x- prefix name is broken. We've explicitly documented that the x- prefix is unstable and liable to go away with a future release. Any management app that wants to use a feature beginning with x- should FIRST push hard to get the x- removed and stabilize the interface (and libvirt, at least, does just that). --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --LKCum3XPa1bspDurTBnO43IrD8qaNiJSq Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJWzc+nAAoJEKeha0olJ0NqQGMH/RLk5uaOuxCeNY+kAJ/OG/Os PhA7FhBzcghJEiTF12NkNYePTJbrfvXP9b82nsB9wq7yZijs6B9C5S2MohnbM+oN laLFcveEY7FM/hTR8F+zEobcbzvIOamcG0+pUgz2Nvt4Q5x24HhoYZh4K4ndru+P kAaXd6SOT5w1hxYWe9+os9OxbVe3TrA+PuXZc18Dc+yUJ49TZtoE+HydmlM5mThX sqL/3GuKBqQh43UcRJb/HNHuENRfEBs8u9guS+NL1k9ZwCuBu8dJ70QGhhYWp+ap f9dUXYrF8k94JpHkbkkPx2bWi9R04qjz6/MA4GaHs/LjZ+Qwvvt4mz+UqD6u9rE= =iDFq -----END PGP SIGNATURE----- --LKCum3XPa1bspDurTBnO43IrD8qaNiJSq--