From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: Xen as L1 support Date: Wed, 15 May 2013 20:44:04 +0300 Message-ID: <20130515174404.GE24814@redhat.com> References: <1B4B44D9196EFF41AE41FDA404FC0A100112FE48@SHSMSX101.ccr.corp.intel.com> <5193A2CC.9050304@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "Ren, Yongjie" , Alex Palesandro , "kvm@vger.kernel.org" To: Paolo Bonzini Return-path: Received: from mx1.redhat.com ([209.132.183.28]:44148 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756698Ab3EORoM convert rfc822-to-8bit (ORCPT ); Wed, 15 May 2013 13:44:12 -0400 Content-Disposition: inline In-Reply-To: <5193A2CC.9050304@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Wed, May 15, 2013 at 04:59:24PM +0200, Paolo Bonzini wrote: > 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 = Xen > >> 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 requi= res > >> min 00008200) > >> (XEN) VMX: failed to initialise. > >> -------------------------------------------- >=20 > This is the "Acknowledge interrupt on exit" control. It shouldn't be > hard to implement it. >=20 To run 3.10 as L1 we need it anyway. > Paolo >=20 > >> I found some bug-traces [1] [2] but the hex value here is differen= t 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= L1 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 >=20 > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Gleb.