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SubjectRe: [PATCH 3/3] Gdt page isolation

* Zachary Amsden <zach@vmware.com> wrote:

> Make GDT page aligned and page padded to support running inside of a
> hypervisor. This prevents false sharing of the GDT page with other
> hot data, which is not allowed in Xen, and causes performance problems
> in VMware.
>
> Rather than go back to the old method of statically allocating the GDT
> (which wastes unneded space for non-present CPUs), the GDT for APs is
> allocated dynamically.
>
> Signed-off-by: Zachary Amsden <zach@vmware.com>

Acked-by: Ingo Molnar <mingo@elte.hu>

Ingo
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