KVM: ARM: vgic: abstract MISR decoding
Instead of directly dealing with the GICH_MISR bits, move the code to its own function and use a couple of public flags to represent the actual state. 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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