From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56182) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bmkDo-0002x1-7O for qemu-devel@nongnu.org; Wed, 21 Sep 2016 12:18:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bmkDk-0006BO-Pz for qemu-devel@nongnu.org; Wed, 21 Sep 2016 12:18:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53628) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bmkDk-0006BE-JD for qemu-devel@nongnu.org; Wed, 21 Sep 2016 12:18:04 -0400 References: <147377800565.11859.4411044563640180545.stgit@brijesh-build-machine> <147377816978.11859.942423377333907417.stgit@brijesh-build-machine> <20160913183728.qcmhrxii44pug7ck@redhat.com> <8cee9c38-2948-83d1-81b4-8a282bc27fae@redhat.com> From: Paolo Bonzini Message-ID: Date: Wed, 21 Sep 2016 18:17:58 +0200 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC PATCH v1 16/22] i386: pc: load OS images at fixed location in SEV-enabled guest List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Brijesh Singh , "Michael S. Tsirkin" Cc: ehabkost@redhat.com, crosthwaite.peter@gmail.com, armbru@redhat.com, p.fedin@samsung.com, qemu-devel@nongnu.org, lcapitulino@redhat.com, rth@twiddle.net On 21/09/2016 18:08, Brijesh Singh wrote: > Hi Paolo, > > On 09/21/2016 10:58 AM, Paolo Bonzini wrote: >> >> >> On 21/09/2016 17:55, Brijesh Singh wrote: >>> I'm working on v2 and getting ready for another review but not sure how >>> to address this feedback. For now, I can drop this patch from the series >>> and get other patches reviewed. But I would like to get some direction >>> on how do I go about adding -kernel support for SEV guest. >> >> Don't. The solution is to use UEFI, which runs in 64-bit mode and can >> do DMA to shared pages. >> > > Thanks. > > I will explore UEFI BIOS path. Just for confirmation you mean the OVMF > project [1] right ? Yes. Paolo > [1] http://www.linux-kvm.org/page/OVMF > https://github.com/tianocore/tianocore.github.io/wiki/How-to-run-OVMF > > >> Paolo >>