From: Jan Kiszka <[email protected]>

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 <[email protected]>
---
 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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