From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: Xen as L1 support Date: Wed, 15 May 2013 16:59:24 +0200 Message-ID: <5193A2CC.9050304@redhat.com> References: <1B4B44D9196EFF41AE41FDA404FC0A100112FE48@SHSMSX101.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Alex Palesandro , "kvm@vger.kernel.org" To: "Ren, Yongjie" Return-path: Received: from mail-yh0-f50.google.com ([209.85.213.50]:46301 "EHLO mail-yh0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759259Ab3EOPGm (ORCPT ); Wed, 15 May 2013 11:06:42 -0400 Received: by mail-yh0-f50.google.com with SMTP id z20so418231yhz.23 for ; Wed, 15 May 2013 08:06:42 -0700 (PDT) In-Reply-To: <1B4B44D9196EFF41AE41FDA404FC0A100112FE48@SHSMSX101.ccr.corp.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: Il 15/05/2013 03:24, Ren, Yongjie ha scritto: >> -----Original Message----- >> From: kvm-owner@vger.kernel.org [mailto:kvm-owner@vger.kernel.org] >> On Behalf Of Alex Palesandro >> Sent: Tuesday, May 14, 2013 10:51 PM >> To: kvm@vger.kernel.org >> Subject: Fwd: Xen as L1 support >> >> Hi, >> I'm new to KVM. I'm doing some test on nested Virtualization with Xe= n >> and KVM. I tried to test the Xen hypervisor as L1 over KVM ( Linux >> 3.9.0) and I found this in >> "xm dmesg" log ( for the complete log, see the attached file). >> -------------------------------------------- >> (XEN) VMX: CPU0 has insufficent VMExit Control (00036fff but require= s >> min 00008200) >> (XEN) VMX: failed to initialise. >> -------------------------------------------- This is the "Acknowledge interrupt on exit" control. It shouldn't be hard to implement it. Paolo >> I found some bug-traces [1] [2] but the hex value here is different = from the >> previously reported one, so maybe that is a different issue. >> >> Will Xen be supported as L1? >> > So far, I think it's NO. VMX doesn't work, but PV guest can work in L= 1 Xen. > There's a bug tracking 'Xen on KVM' issue. > https://bugzilla.kernel.org/show_bug.cgi?id=3D45931 >=20 > Best Regards, > Yongjie (Jay) >=20 >=20 >> Many Thanks. >> >> Alex >> >> [1] https://patchwork.kernel.org/patch/1318301/ >> [2} https://patchwork.kernel.org/patch/789632/ > N=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BDr=EF=BF=BD=EF=BF=BDy=EF= =BF=BD=EF=BF=BD=EF=BF=BDb=EF=BF=BDX=EF=BF=BD=EF=BF=BD=C7=A7v=EF=BF=BD^=EF= =BF=BD)=DE=BA{.n=EF=BF=BD+=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BDh=EF=BF=BD= =EF=BF=BD=17=EF=BF=BD=EF=BF=BD=DC=A8}=EF=BF=BD=EF=BF=BD=EF=BF=BD=C6=A0z= =EF=BF=BD&j:+v=EF=BF=BD=EF=BF=BD=EF=BF=BD=07=EF=BF=BD=EF=BF=BD=EF=BF=BD= =EF=BF=BDzZ+=EF=BF=BD=EF=BF=BD+zf=EF=BF=BD=EF=BF=BD=EF=BF=BDh=EF=BF=BD=EF= =BF=BD=EF=BF=BD~=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BDi=EF=BF=BD=EF=BF=BD= =EF=BF=BDz=EF=BF=BD=1E=EF=BF=BDw=EF=BF=BD=EF=BF=BD=EF=BF=BD?=EF=BF=BD=EF= =BF=BD=EF=BF=BD=EF=BF=BD&=EF=BF=BD)=DF=A2=1Bfl=3D=3D=3D >=20