From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH 08/13] KVM: x86: stubs for SMM support Date: Tue, 05 May 2015 11:37:54 +0200 Message-ID: <55488F72.4030101@redhat.com> References: <1430393772-27208-1-git-send-email-pbonzini@redhat.com> <1430393772-27208-9-git-send-email-pbonzini@redhat.com> <20150504175102.GC11234@potion.brq.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, bsd@redhat.com, guangrong.xiao@linux.intel.com, Yang Zhang , wanpeng.li@linux.intel.com To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= Return-path: Received: from mx1.redhat.com ([209.132.183.28]:46463 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752171AbbEEJiC (ORCPT ); Tue, 5 May 2015 05:38:02 -0400 In-Reply-To: <20150504175102.GC11234@potion.brq.redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 04/05/2015 19:51, Radim Kr=C4=8Dm=C3=A1=C5=99 wrote: > (I'm not sure if this is supported if IA32_VMX_BASIC[49] =3D 0. > 34.15.6.4 Saving Guest State > The SMM-transfer monitor (STM) can also discover the current value= of > the SMBASE register by using the RDMSR >=20 > but it's not possible to get into STM without having a support for i= t > noted in IA32_VMX_BASIC[49] and more magic we also don't emulate to > actually enable it.) I can certainly make the SMBASE MSR host-accessible only. Paolo