summaryrefslogtreecommitdiffstats
path: root/tools
diff options
context:
space:
mode:
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/kvm/x86_64/hyperv_features.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_features.c b/tools/testing/selftests/kvm/x86_64/hyperv_features.c
index ad01868548f9..4d55e038c2d7 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;
}