From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
There is no reason to deny this feature to guests. We are emulating the
APIC timer, thus are exposing it without stops in power-saving states.
Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
---
arch/x86/kvm/cpuid.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 59b69f6..6d84a9e 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -411,6 +411,12 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
}
break;
}
+ case 6: /* Thermal management */
+ entry->eax = 0x4; /* allow ARAT */
+ entry->ebx = 0;
+ entry->ecx = 0;
+ entry->edx = 0;
+ break;
case 7: {
entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
/* Mask ebx against host capability word 9 */
@@ -587,7 +593,6 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
break;
case 3: /* Processor serial number */
case 5: /* MONITOR/MWAIT */
- case 6: /* Thermal management */
case 0xC0000002:
case 0xC0000003:
case 0xC0000004:
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