arm64: ioremap/iounmap use range for MMIO guard hypercalls

The hypervisor can accept a range for the mmio guard hypercall. This
intends to reduce back and forth between with the hypervisor.

The feature is advertised via the KVM_FUNC_HAS_RANGE flag from the
MEM_INFO HVC.

Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
1 file changed