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

2014-12-11 Thread Matt Wilson
On Thu, Dec 11, 2014 at 07:00:55PM +, Andrew Cooper wrote: > On 11/12/14 18:19, Matt Wilson wrote: > > On Wed, Dec 10, 2014 at 10:36:18AM +, Andrew Cooper wrote: > >> On 10/12/14 06:00, Matt Wilson wrote: > >>> That's not strictly true. You can use the processor index in ACPI. > >> The LAPI

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

2014-12-11 Thread Andrew Cooper
On 11/12/14 18:19, Matt Wilson wrote: > On Wed, Dec 10, 2014 at 10:36:18AM +, Andrew Cooper wrote: >> On 10/12/14 06:00, Matt Wilson wrote: >>> That's not strictly true. You can use the processor index in ACPI. >> The LAPIC objects in the MADT/APIC table? That is still constructed >> with the

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

2014-12-11 Thread Matt Wilson
On Wed, Dec 10, 2014 at 10:36:18AM +, Andrew Cooper wrote: > On 10/12/14 06:00, Matt Wilson wrote: > > > > That's not strictly true. You can use the processor index in ACPI. > > The LAPIC objects in the MADT/APIC table? That is still constructed > with the broken LAPIC_ID = 2 * processor_id l

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

2014-12-11 Thread Matt Wilson
On Wed, Dec 10, 2014 at 10:29:46AM +, Jan Beulich wrote: > >>> On 10.12.14 at 07:00, wrote: > > On Thu, Nov 06, 2014 at 09:27:59PM +, Andrew Cooper wrote: > >> On 06/11/2014 19:32, Konrad Rzeszutek Wilk wrote: > >> > On Thu, Nov 06, 2014 at 03:07:10PM +, Paul Durrant wrote: > >> >> To

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

2014-12-10 Thread Andrew Cooper
On 10/12/14 06:00, Matt Wilson wrote: > On Thu, Nov 06, 2014 at 09:27:59PM +, Andrew Cooper wrote: >> On 06/11/2014 19:32, Konrad Rzeszutek Wilk wrote: >>> On Thu, Nov 06, 2014 at 03:07:10PM +, Paul Durrant wrote: To perform certain hypercalls HVM guests need to use Xen's idea of >>> W

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

2014-12-10 Thread Jan Beulich
>>> On 10.12.14 at 07:00, wrote: > On Thu, Nov 06, 2014 at 09:27:59PM +, Andrew Cooper wrote: >> On 06/11/2014 19:32, Konrad Rzeszutek Wilk wrote: >> > On Thu, Nov 06, 2014 at 03:07:10PM +, Paul Durrant wrote: >> >> To perform certain hypercalls HVM guests need to use Xen's idea of >> > Wh

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

2014-12-09 Thread Matt Wilson
On Thu, Nov 06, 2014 at 09:27:59PM +, Andrew Cooper wrote: > On 06/11/2014 19:32, Konrad Rzeszutek Wilk wrote: > > On Thu, Nov 06, 2014 at 03:07:10PM +, Paul Durrant wrote: > >> To perform certain hypercalls HVM guests need to use Xen's idea of > > What are those 'certain'? > > Some HVM hy