From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NMiG9-0004gd-G0 for qemu-devel@nongnu.org; Mon, 21 Dec 2009 08:25:13 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NMiG4-0004bQ-3h for qemu-devel@nongnu.org; Mon, 21 Dec 2009 08:25:12 -0500 Received: from [199.232.76.173] (port=46575 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NMiG3-0004ay-Sv for qemu-devel@nongnu.org; Mon, 21 Dec 2009 08:25:07 -0500 Received: from mx1.redhat.com ([209.132.183.28]:27190) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NMiG3-0004Hi-Ct for qemu-devel@nongnu.org; Mon, 21 Dec 2009 08:25:07 -0500 Message-ID: <4B2F772D.5000808@redhat.com> Date: Mon, 21 Dec 2009 14:25:01 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <20091220155101.GB31257@redhat.com> <4B2E49E5.6050709@redhat.com> <20091220165612.GC31257@redhat.com> <20091220171822.GD31257@redhat.com> <20091220172341.GB21163@redhat.com> <2162E312-0110-42E1-A391-D75A6F013554@suse.de> <20091220173702.GC21163@redhat.com> <4B2E660F.1050703@codemonkey.ws> <04509ED0-8B29-4013-ACDC-AD3D28974433@suse.de> <20091221074800.GV4490@redhat.com> In-Reply-To: <20091221074800.GV4490@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: cpuid problem in upstream qemu with kvm List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gleb Natapov Cc: qemu-devel@nongnu.org, Avi Kivity , Alexander Graf , "Michael S. Tsirkin" On 12/21/2009 08:48 AM, Gleb Natapov wrote: >> > Well, I wouldn't be too sure on that one. Software may use SSE3 instructions to access MMIO in which case we do have to emulate it. > Unfortunately this is already a reality. Look here: > http://groups.google.com/group/linux.kernel/browse_thread/thread/ada9fa2d2574a8af Emulating 16-byte moves is a tad simpler than emulating the whole of SSE3 though. :-) Paolo