Il 06/05/2013 16:26, Jan Kiszka ha scritto: > Simplify the sub-page handling by implementing it directly in the > dispatcher instead of using a redirection memory region. We extend the > phys_sections entries to optionally hold a pointer to the sub-section > table that used to reside in the subpage_t structure. IOW, we add one > optional dispatch level below the existing radix tree. > > address_space_lookup_region is extended to take this additional level > into account. This direct dispatching to that target memory region will > also be helpful when we want to add per-region locking control. > > Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
I wonder if subpage_ram is needed at all now. Should be a separate patch anyway, so Reviewed-by: Paolo Bonzini <pbonz...@redhat.com>
