Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753146AbdIFVEV (ORCPT ); Wed, 6 Sep 2017 17:04:21 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:16926 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752807AbdIFVET (ORCPT ); Wed, 6 Sep 2017 17:04:19 -0400 Subject: Re: SME/32-bit regression To: Borislav Petkov , Brijesh Singh References: <4c07148a-5d97-0fc2-aa9b-1db31429736d@oracle.com> <20170906092618.fkvzrqx32z6iqf2t@pd.tnic> <20170906094504.6pp4xdsmcxaympth@pd.tnic> <20170906164417.2terp5ioelzglehq@pd.tnic> <56f022a2-e363-0524-68ba-c31950d96e0d@amd.com> <20170906181946.savnnahph7wtr76b@pd.tnic> Cc: "Lendacky, Thomas" , X86 ML , "linux-kernel@vger.kernel.org" , Ingo Molnar , "H. Peter Anvin" , Thomas Gleixner From: Boris Ostrovsky Message-ID: <80046e97-9d4f-728f-337a-37969aac297e@oracle.com> Date: Wed, 6 Sep 2017 17:03:51 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <20170906181946.savnnahph7wtr76b@pd.tnic> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 950 Lines: 29 On 09/06/2017 02:19 PM, Borislav Petkov wrote: > On Wed, Sep 06, 2017 at 01:06:50PM -0500, Brijesh Singh wrote: >> I did the following quick run with your patch and everything seems to be >> working okay >> >> 64-bit build: >> ------- >> 1) Baremetal SME *enabled* - System boots fine >> a) 32-bit guest launch : successful (KVM HV) >> b) 64-bit guest launch : successful (KVM HV) >> c) 64-bit SEV guest launch : successful (KVM HV) >> >> 2) Baremetal SME *disabled* - System boots fine >> a) 32-bit guest launch : successful (KVM HV) >> b) 64-bit guest launch : successful (KVM HV) >> c) 64-bit SEV guest launch : successful (KVM HV) >> >> 32-bit build >> ---------- >> I am installing 32-bit distro to verify 32-bit baremetal boot and will >> report my findings soon. > Thanks Brijesh, that's awesome! > > I'll add your Tested-by once you're done testing successfully. You can have my Tested-by (mostly Xen but some baremetal too). -boris