From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Bader Subject: Re: Xen HVM regression on certain Intel CPUs Date: Wed, 27 Mar 2013 18:40:05 +0100 Message-ID: <51532EF5.6090300@canonical.com> References: <51530F9F.10805@canonical.com> <515315EC.4030803@canonical.com> <20130327160427.GB6688@phenom.dumpdata.com> <5153222B.3030605@canonical.com> <51532C43.8010808@canonical.com> <51532CA1.6030809@zytor.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0481890654836549816==" Return-path: In-Reply-To: <51532CA1.6030809@zytor.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: "H. Peter Anvin" Cc: wei.y.yang@intel.com, "xen-devel@lists.xensource.com" , haitao.shan@intel.com, xin.li@intel.com, Konrad Rzeszutek Wilk List-Id: xen-devel@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --===============0481890654836549816== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="------------enigCE766D860D7FEB220C9304E1" This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigCE766D860D7FEB220C9304E1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 27.03.2013 18:30, H. Peter Anvin wrote: > On 03/27/2013 10:28 AM, Stefan Bader wrote: >> >> I will need more time to look into this (and unlikely today) but it >> feels like at least the cpuid flags passed on to HVM guest may be >> not influenced by the smep boot argument. Probably rather something >> I could do by masking in the config of the guest (which could be >> another pain as I normally configure those via libvirt). >> >=20 > There is an "nosmep" kernel command line option. Ignoring it on that side does help. >=20 > -hpa >=20 >=20 --------------enigCE766D860D7FEB220C9304E1 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with undefined - http://www.enigmail.net/ iQIcBAEBCgAGBQJRUy72AAoJEOhnXe7L7s6jM5QP/jqRRbUbS8NhBqtJeqdtAA1S 7z052Hf9C0d+H8HkvkqZKVykdwRcrEpdeRga4HndjtJ0GWTcOjQ7EmHbMJYtplaI UmovFLHCGvs+k8LT8rDH5AmvEZmMY6rEYvTDTVIENSLbpDA2NWNKxwGg5nannRDf WVL45IsoDaOddbugMdQ5Fwd/EJqhMghWyG39K833YcO42TuYY13WR0UqMPfhbtSn oo3FE5Z2+xW/P2uPO+DoT6tdO9WVKDziq+BLdvqhFQP90PGDfC/Ca+V9+sijM2jv HhT28BEpDGshIIpFJjsfbyspRJYv1N1gFyAIKtzHj0Uyyz8yrDLJTbKvZk3luwYS GBBkGSCX9TUjkAFpNngj8Cett0dzng7Kgk0c7KBmX8b39o+Y0pEkvVK2x9KLRnPG nBrzLUHW8GGxxGZg0SB060WvC8wKgDchKDcLnkzYgFNY4T65/HJMx+KgatyU0fPI JZXx78JU6plPbrQYkighiExeNOBuHqJid4V7pHmUZuYYEvjWYykCZF/5e95vPHGy R/Y2n3vVk1qM6zlRQZQQfDW7mkLt25tZszottCBHEqID1I/yEqUygx5Y2yRKvKfP sNYhDzP4s1JZT8JbzP3yyNHkATFSkrKGQavx0/8mexOGBlxYXmyUAk2iy5sK8hDY XniF/5VAaTHup+eE6NFb =7nUe -----END PGP SIGNATURE----- --------------enigCE766D860D7FEB220C9304E1-- --===============0481890654836549816== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel --===============0481890654836549816==--