Re: [PATCH 0/3] selftests: Skip SUD tests when unsupported

[Christian Loehle]

On 8/17/26 12:16, Christian Loehle wrote:
> Syscall User Dispatch (SUD) is unavailable on architectures without
> generic syscall entry. Such architectures return -EINVAL for otherwise
> valid SUD prctl and ptrace requests, which the SUD selftests currently
> report as failures.
> 
> Probe SUD with a valid disabled configuration and skip the affected tests
> when that probe returns EINVAL. Unexpected errors remain failures, and the
> existing coverage is unchanged on kernels that support SUD.
> 
> Christian Loehle (3):
>   selftests/ptrace: Skip get_set_sud if SUD is unsupported
>   selftests/syscall_user_dispatch: Skip tests if SUD is unsupported
>   selftests/syscall_user_dispatch: Skip benchmark if SUD is unsupported
> 
>  tools/testing/selftests/ptrace/get_set_sud.c  |  8 +++++
>  .../syscall_user_dispatch/sud_benchmark.c     |  9 +++++
>  .../syscall_user_dispatch/sud_test.c          | 36 +++++++++++++++++++
>  3 files changed, 53 insertions(+)
> 
> 
> base-commit: 8d3ae59288f1e7d58d76558a6ee96d533bc5019f

Gentle ping on this