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Mask off OSPKE and OSXSAVE, which are toggled based on corresponding CR4 enabling bits, when comparing vCPU CPUID against KVM's supported CPUID. This will allow setting OSXSAVE by default when creating vCPUs, without causing test failures (KVM doesn't enumerate OSXSAVE=1). Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com> Link: https://lore.kernel.org/r/20241003234337.273364-4-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>