RE: [Xen-devel] [PATCH][retry 2][2/2] new platform hypervisor call to get APICIDs

["Langsdorf, Mark" <mark.langsdorf@xxxxxxx>]

> > Anyway, if we make it a singleton-apicid vcpu_op, which 
> > fails on anything other than a pinned dom0

Will do.

> Also there is no particular reason not to have this vcpu_op return the
> acpiid as well. Call it something like VCPUOP_phys_id, returns an
> arch-specific uint64_t phys_id. On x86 we could have 8-bit 
> apicid plus 8-bit acpiid packed into that uint64_t, with the
> other 48 bits being MBZ for future expansion (e.g., x2apic extra
> id bits should we ever care). Either id can be 0xff indicating
> 'not available'.

Okay.  I'll add that.

-Mark Langsdorf
Operating System Research Center
AMD


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