| Message ID | 20220408210545.3915712-3-vannapurve@google.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 281106f938d3daaea6f8b6723a8217a2a1ef6936 |
| Headers | show |
| Series | selftests: KVM: selftests for fd-based approach of supporting private memory | expand |
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c index 9f000dfb5594..4d88e1a553bf 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c @@ -1461,7 +1461,7 @@ uint64_t kvm_hypercall(uint64_t nr, uint64_t a0, uint64_t a1, uint64_t a2, asm volatile("vmcall" : "=a"(r) - : "b"(a0), "c"(a1), "d"(a2), "S"(a3)); + : "a"(nr), "b"(a0), "c"(a1), "d"(a2), "S"(a3)); return r; }
Fix inline assembly for hypercall to explicitly set eax with hypercall number to allow the implementation to work even in cases where compiler would inline the function. Signed-off-by: Vishal Annapurve <vannapurve@google.com> --- tools/testing/selftests/kvm/lib/x86_64/processor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)