From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: Xen as L1 support Date: Wed, 15 May 2013 19:43:25 +0200 Message-ID: <5193C93D.5020707@web.de> References: <1B4B44D9196EFF41AE41FDA404FC0A100112FE48@SHSMSX101.ccr.corp.intel.com> <5193A2CC.9050304@redhat.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="----enig2FFOSGISWVDVKRTDIWFEP" Cc: "Ren, Yongjie" , Alex Palesandro , "kvm@vger.kernel.org" To: Paolo Bonzini Return-path: Received: from mout.web.de ([212.227.17.11]:64998 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759799Ab3EORnk (ORCPT ); Wed, 15 May 2013 13:43:40 -0400 In-Reply-To: <5193A2CC.9050304@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) ------enig2FFOSGISWVDVKRTDIWFEP Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 2013-05-15 16:59, 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 requires= >>> min 00008200) >>> (XEN) VMX: failed to initialise. >>> -------------------------------------------- >=20 > This is the "Acknowledge interrupt on exit" control. It shouldn't be > hard to implement it. Isn't this a pretty recent feature Xen should be able to live without - if it finds itself on a (virtually) older CPU? Jan ------enig2FFOSGISWVDVKRTDIWFEP Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlGTyUIACgkQitSsb3rl5xSORgCfcxcAi7/3k8p1j2gO51IQ8eoT TyMAn238AYS9Ou4QvmxPgeL7p07aeK4G =7K90 -----END PGP SIGNATURE----- ------enig2FFOSGISWVDVKRTDIWFEP--