From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NSXRx-0000kb-Dc for qemu-devel@nongnu.org; Wed, 06 Jan 2010 10:05:29 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NSXRs-0000fw-PR for qemu-devel@nongnu.org; Wed, 06 Jan 2010 10:05:29 -0500 Received: from [199.232.76.173] (port=55768 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NSXRs-0000fl-J2 for qemu-devel@nongnu.org; Wed, 06 Jan 2010 10:05:24 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55675) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NSXRs-0008M2-1x for qemu-devel@nongnu.org; Wed, 06 Jan 2010 10:05:24 -0500 Date: Wed, 6 Jan 2010 17:02:25 +0200 From: "Michael S. Tsirkin" Subject: Re: [Qemu-devel] cpuid problem in upstream qemu with kvm Message-ID: <20100106150223.GA4001@redhat.com> References: <4B43D4E2.9050102@codemonkey.ws> <4B4402B1.1030605@redhat.com> <4B448F36.8030605@codemonkey.ws> <4B449467.4070606@redhat.com> <4B4494FC.1080907@codemonkey.ws> <4B449608.7040102@redhat.com> <4B4496E9.2030201@redhat.com> <20100106142231.GF2248@redhat.com> <4B449EE7.4050401@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4B449EE7.4050401@redhat.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: Gleb Natapov , John Cooper , dlaor@redhat.com, Alexander Graf , qemu-devel@nongnu.org On Wed, Jan 06, 2010 at 04:32:07PM +0200, Avi Kivity wrote: > On 01/06/2010 04:22 PM, Michael S. Tsirkin wrote: >>> We can probably default -enable-kvm to -cpu host, as long as we explain >>> very carefully that if users wish to preserve cpu features across >>> upgrades, they can't depend on the default. >>> >> Hardware upgrades or software upgrades? >> > > Yes. IMO software upgrades should not change anything as long as user uses -M . CPU flags should be whitelisted in machine description. > -- > error compiling committee.c: too many arguments to function