KVM: PPC: Book3S HV: Outline of KVM-HV HPT resizing implementation
This adds a not yet working outline of the HPT resizing PAPR extension. Specifically it adds the necessary ioctl() functions, their basic steps, the work function which will handle preparation for the resize, and synchronization between these, the guest page fault path and guest HPT update path. The actual guts of the implementation isn't here yet, so for now the calls will always fail. Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au> Signed-off-by: NPaul Mackerras <paulus@ozlabs.org>
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