122 	struct kvm_cpuid_entry2 *best;  in kvm_check_cpuid()  local
129 	best = cpuid_entry2_find(entries, nent, 0x80000008,  in kvm_check_cpuid()
131 	if (best) {  in kvm_check_cpuid()
132 		int vaddr_bits = (best->eax & 0xff00) >> 8;  in kvm_check_cpuid()
142 	best = cpuid_entry2_find(entries, nent, 0xd, 0);  in kvm_check_cpuid()
143 	if (!best)  in kvm_check_cpuid()
146 	xfeatures = best->eax | ((u64)best->edx << 32);  in kvm_check_cpuid()
223 	struct kvm_cpuid_entry2 *best = kvm_find_kvm_cpuid_features(vcpu);  in kvm_update_pv_runtime()  local
229 	if (best)  in kvm_update_pv_runtime()
230 		vcpu->arch.pv_cpuid.features = best->eax;  in kvm_update_pv_runtime()
239 	struct kvm_cpuid_entry2 *best;  in cpuid_get_supported_xcr0()  local
241 	best = cpuid_entry2_find(entries, nent, 0xd, 0);  in cpuid_get_supported_xcr0()
242 	if (!best)  in cpuid_get_supported_xcr0()
245 	return (best->eax | ((u64)best->edx << 32)) & kvm_caps.supported_xcr0;  in cpuid_get_supported_xcr0()
251 	struct kvm_cpuid_entry2 *best;  in __kvm_update_cpuid_runtime()  local
254 	best = cpuid_entry2_find(entries, nent, 1, KVM_CPUID_INDEX_NOT_SIGNIFICANT);  in __kvm_update_cpuid_runtime()
255 	if (best) {  in __kvm_update_cpuid_runtime()
258 			cpuid_entry_change(best, X86_FEATURE_OSXSAVE,  in __kvm_update_cpuid_runtime()
261 		cpuid_entry_change(best, X86_FEATURE_APIC,  in __kvm_update_cpuid_runtime()
265 	best = cpuid_entry2_find(entries, nent, 7, 0);  in __kvm_update_cpuid_runtime()
266 	if (best && boot_cpu_has(X86_FEATURE_PKU) && best->function == 0x7)  in __kvm_update_cpuid_runtime()
267 		cpuid_entry_change(best, X86_FEATURE_OSPKE,  in __kvm_update_cpuid_runtime()
270 	best = cpuid_entry2_find(entries, nent, 0xD, 0);  in __kvm_update_cpuid_runtime()
271 	if (best)  in __kvm_update_cpuid_runtime()
272 		best->ebx = xstate_required_size(vcpu->arch.xcr0, false);  in __kvm_update_cpuid_runtime()
274 	best = cpuid_entry2_find(entries, nent, 0xD, 1);  in __kvm_update_cpuid_runtime()
275 	if (best && (cpuid_entry_has(best, X86_FEATURE_XSAVES) ||  in __kvm_update_cpuid_runtime()
276 		     cpuid_entry_has(best, X86_FEATURE_XSAVEC)))  in __kvm_update_cpuid_runtime()
277 		best->ebx = xstate_required_size(vcpu->arch.xcr0, true);  in __kvm_update_cpuid_runtime()
279 	best = __kvm_find_kvm_cpuid_features(vcpu, entries, nent);  in __kvm_update_cpuid_runtime()
280 	if (kvm_hlt_in_guest(vcpu->kvm) && best &&  in __kvm_update_cpuid_runtime()
281 		(best->eax & (1 << KVM_FEATURE_PV_UNHALT)))  in __kvm_update_cpuid_runtime()
282 		best->eax &= ~(1 << KVM_FEATURE_PV_UNHALT);  in __kvm_update_cpuid_runtime()
285 		best = cpuid_entry2_find(entries, nent, 0x1, KVM_CPUID_INDEX_NOT_SIGNIFICANT);  in __kvm_update_cpuid_runtime()
286 		if (best)  in __kvm_update_cpuid_runtime()
287 			cpuid_entry_change(best, X86_FEATURE_MWAIT,  in __kvm_update_cpuid_runtime()
300 	best = cpuid_entry2_find(entries, nent, 0x12, 0x1);  in __kvm_update_cpuid_runtime()
301 	if (best) {  in __kvm_update_cpuid_runtime()
302 		best->ecx &= guest_supported_xcr0 & 0xffffffff;  in __kvm_update_cpuid_runtime()
303 		best->edx &= guest_supported_xcr0 >> 32;  in __kvm_update_cpuid_runtime()
304 		best->ecx |= XFEATURE_MASK_FPSSE;  in __kvm_update_cpuid_runtime()
326 	struct kvm_cpuid_entry2 *best;  in kvm_vcpu_after_set_cpuid()  local
328 	best = kvm_find_cpuid_entry(vcpu, 1);  in kvm_vcpu_after_set_cpuid()
329 	if (best && apic) {  in kvm_vcpu_after_set_cpuid()
330 		if (cpuid_entry_has(best, X86_FEATURE_TSC_DEADLINE_TIMER))  in kvm_vcpu_after_set_cpuid()
373 	struct kvm_cpuid_entry2 *best;  in cpuid_query_maxphyaddr()  local
375 	best = kvm_find_cpuid_entry(vcpu, 0x80000000);  in cpuid_query_maxphyaddr()
376 	if (!best || best->eax < 0x80000008)  in cpuid_query_maxphyaddr()
378 	best = kvm_find_cpuid_entry(vcpu, 0x80000008);  in cpuid_query_maxphyaddr()
379 	if (best)  in cpuid_query_maxphyaddr()
380 		return best->eax & 0xff;  in cpuid_query_maxphyaddr()