From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH] x86: fix pv cpuid masking Date: Wed, 16 Jun 2010 14:21:03 +0100 Message-ID: <4C18EBDF0200007800006AF8@vpn.id2.novell.com> References: <4C1784F8020000780000677C@vpn.id2.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <4C1784F8020000780000677C@vpn.id2.novell.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org >>> On 15.06.10 at 13:49, "Jan Beulich" wrote: > Invert initial values of the variables parsed into from the command > line, so that completely clearing out one or more of the four bit > fields is possible. >=20 > Further, consolidate the command line parameter specifications into > a single place. >=20 > Finally, as per "Intel Virtualization Technology FlexMigration > Application Note" (http://www.intel.com/Assets/PDF/manual/323850.pdf), > also handle family 6 model 0x1f. >=20 > What remains open is the question whether pv_cpuid() shouldn't also > consume these masks. What is your opinion on this, Keir? Jan