[PATCH 2/2] selftests/x86: add generic prctl shadow stack test

[Edgecombe, Rick P]

On Tue, 2026-07-14 at 10:47 -0500, Bill Roberts wrote:
> diff --git a/tools/testing/selftests/x86/test_shadow_stack_prctl.c
> b/tools/testing/selftests/x86/test_shadow_stack_prctl.c
> new file mode 100644
> index 000000000000..9c9e2728a9f9
> --- /dev/null
> +++ b/tools/testing/selftests/x86/test_shadow_stack_prctl.c
> @@ -0,0 +1,3 @@
> +// SPDX-License-Identifier: GPL-2.0
> +#define BUILD_PRCTL 1
> +#include "test_shadow_stack.c"
> --

Hmm, do we really need a full re-test for the different prctl routing?