Re: [PATCH 1/4] selftests: sev_migrate_tests: free all VMs

From: Peter Gonda
Date: Wed Nov 17 2021 - 11:52:55 EST


I think we are still missing the kvm_vm_free() from
test_sev_migrate_locking(). Should we have this at the end?

for (i = 0; i < NR_LOCK_TESTING_THREADS; ++i)
kvm_vm_free(input[i].vm);


On Wed, Nov 17, 2021 at 9:38 AM Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
>
> Ensure that the ASID are freed promptly, which becomes more important
> when more tests are added to this file.
>
> Cc: Peter Gonda <pgonda@xxxxxxxxxx>
> Cc: Sean Christopherson <seanjc@xxxxxxxxxx>
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> ---
> tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> 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 5ba325cd64bf..4a5d3728412b 100644
> --- a/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c
> +++ b/tools/testing/selftests/kvm/x86_64/sev_migrate_tests.c
> @@ -162,7 +162,6 @@ static void test_sev_migrate_parameters(void)
> sev_ioctl(sev_es_vm_no_vmsa->fd, KVM_SEV_ES_INIT, NULL);
> vm_vcpu_add(sev_es_vm_no_vmsa, 1);
>
> -
> ret = __sev_migrate_from(sev_vm->fd, sev_es_vm->fd);
> TEST_ASSERT(
> ret == -1 && errno == EINVAL,
> @@ -191,6 +190,12 @@ static void test_sev_migrate_parameters(void)
> TEST_ASSERT(ret == -1 && errno == EINVAL,
> "Migrations require SEV enabled. ret %d, errno: %d\n", ret,
> errno);
> +
> + kvm_vm_free(sev_vm);
> + kvm_vm_free(sev_es_vm);
> + kvm_vm_free(sev_es_vm_no_vmsa);
> + kvm_vm_free(vm_no_vcpu);
> + kvm_vm_free(vm_no_sev);
> }
>
> int main(int argc, char *argv[])
> --
> 2.27.0
>
>