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KVM: arm64: Set ID_AA64DFR0_EL1.PMUVer to 0 when no PMU support
We always expose the HW view of PMU in ID_AA64FDR0_EL1.PMUver, even when the PMU feature is disabled, while the architecture says that FEAT_PMUv3 not being implemented should result in this field being zero. Let's follow the architecture's guidance. Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org>
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