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Commit e453aa0f authored by Jan Kiszka's avatar Jan Kiszka Committed by Paolo Bonzini
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KVM: x86: Allow ARAT CPU feature 



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: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent c028dd6b

arch/x86/kvm/cpuid.c

+6 −1
Original line number Diff line number Diff line
@@ -415,6 +415,12 @@ 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 */
@@ -591,7 +597,6 @@ 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: