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Re: [Xen-devel] [RFC PATCH 1/8] x86/domctl: introduce a pair of hypercall to set and get cpu topology

>>> On 08.01.18 at 05:01, <chao.gao@xxxxxxxxx> wrote:
> Define interface, structures and hypercalls for toolstack to build
> cpu topology and for guest that will retrieve it [1].
> Two subop hypercalls introduced by this patch:
> XEN_DOMCTL_set_cpu_topology to define cpu topology information per domain
> and XENMEM_get_cpu_topology to retrieve cpu topology information.
> [1]: during guest creation, those information helps hvmloader to build ACPI.
> Signed-off-by: Chao Gao <chao.gao@xxxxxxxxx>

This will want revisiting once Andrew's domain creation rework series has
landed. In no case do I view XENMEM_get_cpu_topology as something
sensible - XENMEM, as its name says, is about memory.


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