From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1L00Ok-0003TV-KY for qemu-devel@nongnu.org; Tue, 11 Nov 2008 16:03:42 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1L00Oh-0003Rk-L2 for qemu-devel@nongnu.org; Tue, 11 Nov 2008 16:03:41 -0500 Received: from [199.232.76.173] (port=50744 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1L00Oh-0003Re-Hz for qemu-devel@nongnu.org; Tue, 11 Nov 2008 16:03:39 -0500 Received: from an-out-0708.google.com ([209.85.132.240]:13373) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1L00Og-0006Se-VX for qemu-devel@nongnu.org; Tue, 11 Nov 2008 16:03:39 -0500 Received: by an-out-0708.google.com with SMTP id c38so46207ana.37 for ; Tue, 11 Nov 2008 13:03:37 -0800 (PST) Message-ID: <4919F326.4070902@codemonkey.ws> Date: Tue, 11 Nov 2008 15:03:34 -0600 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] [patch] kvm: also fill 0x40000000 (vmm) cpuid leafes. References: <49140DEE.7070000@redhat.com> In-Reply-To: <49140DEE.7070000@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Gerd Hoffmann wrote: > Hi, > > $subject says all, patch attached. > It really doesn't :-) 0x4000xxxx are the virtualization leaves, that we don't set so there is no functional change from this patch. The KVM PV ABI doesn't use eax as the max CPUID leaf of 0x40000000 so that's at least one example of them not behaving like this. So can you be a lot more specific about how you intend on using these leaves? Regards, Anthony Liguori > please apply, > Gerd >