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Diffstat (limited to 'tools/testing/selftests/kvm/x86_64/hyperv_features.c')
-rw-r--r--tools/testing/selftests/kvm/x86_64/hyperv_features.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_features.c b/tools/testing/selftests/kvm/x86_64/hyperv_features.c
index 79ab0152d281..05b32e550a80 100644
--- a/tools/testing/selftests/kvm/x86_64/hyperv_features.c
+++ b/tools/testing/selftests/kvm/x86_64/hyperv_features.c
@@ -26,7 +26,8 @@ static inline uint8_t hypercall(u64 control, vm_vaddr_t input_address,
: "=a" (*hv_status),
"+c" (control), "+d" (input_address),
KVM_ASM_SAFE_OUTPUTS(vector)
- : [output_address] "r"(output_address)
+ : [output_address] "r"(output_address),
+ "a" (-EFAULT)
: "cc", "memory", "r8", KVM_ASM_SAFE_CLOBBERS);
return vector;
}
@@ -81,13 +82,13 @@ static void guest_hcall(vm_vaddr_t pgs_gpa, struct hcall_data *hcall)
}
vector = hypercall(hcall->control, input, output, &res);
- if (hcall->ud_expected)
+ if (hcall->ud_expected) {
GUEST_ASSERT_2(vector == UD_VECTOR, hcall->control, vector);
- else
+ } else {
GUEST_ASSERT_2(!vector, hcall->control, vector);
+ GUEST_ASSERT_2(res == hcall->expect, hcall->expect, res);
+ }
- GUEST_ASSERT_2(!hcall->ud_expected || res == hcall->expect,
- hcall->expect, res);
GUEST_DONE();
}
@@ -507,7 +508,7 @@ static void guest_test_hcalls_access(void)
switch (stage) {
case 0:
feat->eax |= HV_MSR_HYPERCALL_AVAILABLE;
- hcall->control = 0xdeadbeef;
+ hcall->control = 0xbeef;
hcall->expect = HV_STATUS_INVALID_HYPERCALL_CODE;
break;