From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1fYB5E-0006dL-Cg for mharc-qemu-trivial@gnu.org; Wed, 27 Jun 2018 10:06:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39850) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYB59-0006a2-DS for qemu-trivial@nongnu.org; Wed, 27 Jun 2018 10:06:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fYB58-0006P4-KU for qemu-trivial@nongnu.org; Wed, 27 Jun 2018 10:06:03 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50300) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fYB51-0006JA-H4; Wed, 27 Jun 2018 10:05:55 -0400 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B8132356E8; Wed, 27 Jun 2018 14:05:54 +0000 (UTC) Received: from localhost (ovpn-116-35.gru2.redhat.com [10.97.116.35]) by smtp.corp.redhat.com (Postfix) with ESMTP id D83E2308BDBF; Wed, 27 Jun 2018 14:05:43 +0000 (UTC) Date: Wed, 27 Jun 2018 11:05:42 -0300 From: Eduardo Habkost To: Paolo Bonzini Cc: Markus Armbruster , Thomas Huth , zhang.zhanghailiang@huawei.com, Ben Warren , qemu-trivial@nongnu.org, Cornelia Huck , qemu-devel@nongnu.org, Stefan Hajnoczi Message-ID: <20180627140542.GC7451@localhost.localdomain> References: <87lgb3xsv8.fsf@dusky.pond.sub.org> <4292432f-5f26-6925-4c14-ad1370e36e5b@redhat.com> <20180625173056.GM7451@localhost.localdomain> <97504b42-9ebe-45c5-6ff3-b43102c8374a@redhat.com> <20180625195126.GN7451@localhost.localdomain> <20180626122908.GQ7451@localhost.localdomain> <577768c0-5205-2fb4-209f-845332fe158d@redhat.com> <20180626160623.GT7451@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Fnord: you can see the fnord User-Agent: Mutt/1.9.2 (2017-12-15) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 27 Jun 2018 14:05:54 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-trivial] [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore X-BeenThere: qemu-trivial@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jun 2018 14:06:07 -0000 On Wed, Jun 27, 2018 at 10:39:29AM +0200, Paolo Bonzini wrote: > On 26/06/2018 18:06, Eduardo Habkost wrote: > >> On the other hand I see no benefit in changing a default that people are > >> obviously not using (since most people use KVM, not TCG). Distros will > >> keep shipping, and people will keep using qemu-kvm even if we change the > >> default. > > > > Not changing the default is different from promising we will keep > > ABI compatibility if the accelerator is omitted. I just want to > > get rid of the latter. > > I understand; what I don't understand is why do the latter unless you > plan to change the default. Why should we make a compatibility promise if we don't have to? Making and keeping promises have a cost, and I'd like us to spend our energy elsewhere. -- Eduardo