From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39831) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYB57-0006Xs-9j for qemu-devel@nongnu.org; Wed, 27 Jun 2018 10:06:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fYB51-0006K8-O7 for qemu-devel@nongnu.org; Wed, 27 Jun 2018 10:06:01 -0400 Date: Wed, 27 Jun 2018 11:05:42 -0300 From: Eduardo Habkost 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: Subject: Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 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