From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60744) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5bxp-0005HU-4M for qemu-devel@nongnu.org; Thu, 18 Jun 2015 11:42:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z5bxl-00023c-SJ for qemu-devel@nongnu.org; Thu, 18 Jun 2015 11:42:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51370) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5bxl-00023W-ML for qemu-devel@nongnu.org; Thu, 18 Jun 2015 11:42:45 -0400 Message-ID: <5582E6F1.7080001@redhat.com> Date: Thu, 18 Jun 2015 17:42:41 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1434641064-8405-1-git-send-email-rkrcmar@redhat.com> <1434641064-8405-2-git-send-email-rkrcmar@redhat.com> <5582E3EA.2070407@redhat.com> <20150618154018.GA10217@potion.brq.redhat.com> In-Reply-To: <20150618154018.GA10217@potion.brq.redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH 1/2] target-i386: emulate CPUID level of real hardware List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= Cc: bsd@redhat.com, qemu-devel@nongnu.org, ehabkost@redhat.com, rth@twiddle.net On 18/06/2015 17:40, Radim Kr=C4=8Dm=C3=A1=C5=99 wrote: > > This unfortunately has to be done only for new machine types. Old ty= pes > > will remain buggy forever. > > Ah, ok, which machine type should I target, 2.4? Yes. > And is patch 2 is only supposed to work with new machine types? I'm a bit undecided there, since it only triggers with explicitly specified CPU flags and the old code would basically never work (it's a known bug, triggered by libvirt's "host-model" code in some cases). Paolo