KVM: arm64: ARMv8 header changes for page logging
This patch adds arm64 helpers to write protect pmds/ptes and retrieve permissions while logging dirty pages. Also adds prototype to write protect a memory slot and adds a pmd define to check for read-only pmds. Reviewed-by: NChristoffer Dall <christoffer.dall@linaro.org> Signed-off-by: NMario Smarduch <m.smarduch@samsung.com>
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