Add X86_FEATURE_X2APIC and use vcpu_clear_cpuid_feature() to clear x2APIC
support in the xAPIC state test.
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
tools/testing/selftests/kvm/include/x86_64/processor.h | 1 +
tools/testing/selftests/kvm/x86_64/xapic_state_test.c | 10 +---------
2 files changed, 2 insertions(+), 9 deletions(-)
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index a1cac0b7d8b2..c2e3ea55b697 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -81,6 +81,7 @@ struct kvm_x86_cpu_feature {
#define X86_FEATURE_SMX KVM_X86_CPU_FEATURE(0x1, 0, ECX, 6)
#define X86_FEATURE_PDCM KVM_X86_CPU_FEATURE(0x1, 0, ECX, 15)
#define X86_FEATURE_PCID KVM_X86_CPU_FEATURE(0x1, 0, ECX, 17)
+#define X86_FEATURE_X2APIC KVM_X86_CPU_FEATURE(0x1, 0, ECX, 21)
#define X86_FEATURE_MOVBE KVM_X86_CPU_FEATURE(0x1, 0, ECX, 22)
#define X86_FEATURE_TSC_DEADLINE_TIMER KVM_X86_CPU_FEATURE(0x1, 0, ECX, 24)
#define X86_FEATURE_XSAVE KVM_X86_CPU_FEATURE(0x1, 0, ECX, 26)
diff --git a/tools/testing/selftests/kvm/x86_64/xapic_state_test.c b/tools/testing/selftests/kvm/x86_64/xapic_state_test.c
index 7728730c2dda..1bc091f3b58b 100644
--- a/tools/testing/selftests/kvm/x86_64/xapic_state_test.c
+++ b/tools/testing/selftests/kvm/x86_64/xapic_state_test.c
@@ -122,9 +122,7 @@ int main(int argc, char *argv[])
.vcpu = NULL,
.is_x2apic = true,
};
- struct kvm_cpuid2 *cpuid;
struct kvm_vm *vm;
- int i;
vm = vm_create_with_one_vcpu(&x.vcpu, x2apic_guest_code);
test_icr(&x);
@@ -138,13 +136,7 @@ int main(int argc, char *argv[])
vm = vm_create_with_one_vcpu(&x.vcpu, xapic_guest_code);
x.is_x2apic = false;
- cpuid = x.vcpu->cpuid;
- for (i = 0; i < cpuid->nent; i++) {
- if (cpuid->entries[i].function == 1)
- break;
- }
- cpuid->entries[i].ecx &= ~BIT(21);
- vcpu_set_cpuid(x.vcpu);
+ vcpu_clear_cpuid_feature(x.vcpu, X86_FEATURE_X2APIC);
virt_pg_map(vm, APIC_DEFAULT_GPA, APIC_DEFAULT_GPA);
test_icr(&x);
--
2.36.1.255.ge46751e96f-goog
