Re: [Xen-devel] [PATCH v2] x86/hvm: Extend HVM cpuid leaf with vcpu id

2014-12-12 Thread Paul Durrant
> -Original Message- > From: Matt Wilson [mailto:mswil...@gmail.com] On Behalf Of Matt Wilson > Sent: 11 December 2014 23:17 > To: Paul Durrant > Cc: xen-devel@lists.xen.org; Keir (Xen.org); Jan Beulich > Subject: Re: [Xen-devel] [PATCH v2] x86/hvm: Extend HVM cpuid l

Re: [Xen-devel] [PATCH v2] x86/hvm: Extend HVM cpuid leaf with vcpu id

2014-12-11 Thread Matt Wilson
On Thu, Nov 06, 2014 at 03:26:24PM +, Paul Durrant wrote: > To perform certain hypercalls HVM guests need to use Xen's idea of > vcpu id, which may well not match the guest OS idea of CPU id. > This patch adds vcpu id to the HVM cpuid leaf allowing the guest > to build a mapping. One more tang