Re: [PATCH 1/3] selftests: sev_migrate_tests: Fix test_sev_mirror()

[Marc Orr]

On Wed, Dec 8, 2021 at 11:16 AM Peter Gonda <pgonda@xxxxxxxxxx> wrote:
>
> Mirrors should not be able to call LAUNCH_START. Remove the call on the
> mirror to correct the test before fixing sev_ioctl() to correctly assert
> on this failed ioctl.
>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Cc: Sean Christopherson <seanjc@xxxxxxxxxx>
> Cc: Marc Orr <marcorr@xxxxxxxxxx>
> Signed-off-by: Peter Gonda <pgonda@xxxxxxxxxx>
> ---
>  tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c b/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c
> index 29b18d565cf4..fbc742b42145 100644
> --- a/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c
> +++ b/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c
> @@ -228,9 +228,6 @@ static void sev_mirror_create(int dst_fd, int src_fd)
>  static void test_sev_mirror(bool es)
>  {
>         struct kvm_vm *src_vm, *dst_vm;
> -       struct kvm_sev_launch_start start = {
> -               .policy = es ? SEV_POLICY_ES : 0
> -       };
>         int i;
>
>         src_vm = sev_vm_create(es);
> @@ -241,7 +238,7 @@ static void test_sev_mirror(bool es)
>         /* Check that we can complete creation of the mirror VM.  */
>         for (i = 0; i < NR_MIGRATE_TEST_VCPUS; ++i)
>                 vm_vcpu_add(dst_vm, i);
> -       sev_ioctl(dst_vm->fd, KVM_SEV_LAUNCH_START, &start);
> +
>         if (es)
>                 sev_ioctl(dst_vm->fd, KVM_SEV_LAUNCH_UPDATE_VMSA, NULL);
>
> --
> 2.34.1.400.ga245620fadb-goog
>

Reviewed-by: Marc Orr <marcorr@xxxxxxxxxx>