static u64 xen_read_msr_safe(unsigned int msr, int *err)
{
	u64 val;

	if (pmu_msr_read(msr, &val, err))
		return val;

	val = native_read_msr_safe(msr, err);
	switch (msr) {
	case MSR_IA32_APICBASE:
		val &= ~X2APIC_ENABLE;
		break;
	}
	return val;
}
Unknown