From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55666) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XyLy0-0005BH-BS for qemu-devel@nongnu.org; Tue, 09 Dec 2014 09:40:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XyLxq-0000WB-V0 for qemu-devel@nongnu.org; Tue, 09 Dec 2014 09:40:44 -0500 Received: from e38.co.us.ibm.com ([32.97.110.159]:43359) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XyLxq-0000Vg-35 for qemu-devel@nongnu.org; Tue, 09 Dec 2014 09:40:34 -0500 Received: from /spool/local by e38.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 9 Dec 2014 07:40:33 -0700 Received: from b03cxnp07029.gho.boulder.ibm.com (b03cxnp07029.gho.boulder.ibm.com [9.17.130.16]) by d03dlp02.boulder.ibm.com (Postfix) with ESMTP id ECA733E40044 for ; Tue, 9 Dec 2014 07:40:30 -0700 (MST) Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id sB9EeU4m49938516 for ; Tue, 9 Dec 2014 07:40:30 -0700 Received: from d03av02.boulder.ibm.com (localhost [127.0.0.1]) by d03av02.boulder.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id sB9EeUds005235 for ; Tue, 9 Dec 2014 07:40:30 -0700 Message-ID: <548709DC.4020304@linux.vnet.ibm.com> Date: Tue, 09 Dec 2014 09:40:28 -0500 From: Stefan Berger MIME-Version: 1.0 References: <1418134739-21627-1-git-send-email-stefanb@linux.vnet.ibm.com> <20141209143531.GA13728@redhat.com> In-Reply-To: <20141209143531.GA13728@redhat.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 0/5] tpm: Extend the TPM TIS implementation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: PeterHuewe@gmx.de, qemu-devel@nongnu.org On 12/09/2014 09:35 AM, Michael S. Tsirkin wrote: > On Tue, Dec 09, 2014 at 09:18:54AM -0500, Stefan Berger wrote: >> The following series of patches extends the TPM TIS implementation to >> version 1.3. This will lead to a TIS version that supports TPM 2. >> For this I would post relatively small patches afterwards. >> >> Regards, >> Stefan > > Since this is guest visible, should this be limited > to new machine types, to avoid breaking migrating > guests across hypervisor versions? Migration is not currently possible with TPM, since TPM (passthrough) is preventing it. Stefan