arm64: KVM: Dynamically compute the HYP VA mask
As we're moving towards a much more dynamic way to compute our HYP VA, let's express the mask in a slightly different way. Instead of comparing the idmap position to the "low" VA mask, we directly compute the mask by taking into account the idmap's (VA_BIT-1) bit. No functionnal change. Acked-by: NCatalin Marinas <catalin.marinas@arm.com> Reviewed-by: NChristoffer Dall <christoffer.dall@linaro.org> Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>
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