From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33541) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wsazr-0002Du-Uc for qemu-devel@nongnu.org; Thu, 05 Jun 2014 12:58:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wsazk-0007ea-Bk for qemu-devel@nongnu.org; Thu, 05 Jun 2014 12:58:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58623) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wsazk-0007eO-3W for qemu-devel@nongnu.org; Thu, 05 Jun 2014 12:58:28 -0400 Message-ID: <5390A195.4000003@redhat.com> Date: Thu, 05 Jun 2014 18:57:57 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1401984741-26882-1-git-send-email-ehabkost@redhat.com> <539099B6.2090000@suse.de> <53909A41.1060800@redhat.com> <53909D79.1070609@suse.de> <53909E53.9050300@redhat.com> <53909E9C.6080009@suse.de> <5390A06A.9070200@redhat.com> <5390A0B6.8050000@suse.de> In-Reply-To: <5390A0B6.8050000@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC 0/2] GET_EMULATED_CPUID support with "allow-emulation" option List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexander Graf , Eduardo Habkost , qemu-devel@nongnu.org Cc: Michael Mueller , kvm@vger.kernel.org, "Michael S. Tsirkin" , Christian Borntraeger , "Gabriel L. Somlo" , Borislav Petkov , "Jason J. Herne" , =?UTF-8?B?QW5kcmVhcyBGw6RyYmVy?= Il 05/06/2014 18:54, Alexander Graf ha scritto: >> >> What about: >> >> - letting "-cpu foo,+emulatedfeature" just work >> >> - adding emulated=yes that blindly enables all emulated features >> >> - making "-cpu ...,check" prints a warning for emulated features >> unless emulated=yes > > How about we remove the emulated=yes from this list? Then I'm happy :). So: - "-cpu foo" doesn't enable any emulated feature - "-cpu foo,+movbe" does - "-cpu foo,check" and "-cpu foo,enforce" print a nice and descriptive message if the feature is not available but could be enabled as emulated Ok? Paolo