diff options
| -rw-r--r-- | xen/arch/x86/hvm/viridian.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/xen/arch/x86/hvm/viridian.c b/xen/arch/x86/hvm/viridian.c index 1ee0f7fec8..46492cbb32 100644 --- a/xen/arch/x86/hvm/viridian.c +++ b/xen/arch/x86/hvm/viridian.c @@ -87,8 +87,9 @@ int cpuid_viridian_leaves(unsigned int leaf, unsigned int *eax, if ( (d->arch.hvm_domain.viridian.guest_os_id.raw == 0) || (d->arch.hvm_domain.viridian.guest_os_id.fields.os < 4) ) break; - *eax = (CPUID4A_MSR_BASED_APIC | - CPUID4A_RELAX_TIMER_INT); + *eax = CPUID4A_RELAX_TIMER_INT; + if ( !cpu_has_vmx_apic_reg_virt ) + *eax |= CPUID4A_MSR_BASED_APIC; *ebx = 2047; /* long spin count */ break; } |