Re: [PATCH 1/5] selftests/mm: mseal, self_elf: fix missing __NR_mseal

[Jeff Xu <jeffxu@chromium.org>]

Hi

On Fri, Jun 7, 2024 at 7:10 PM John Hubbard <jhubbard@nvidia.com> wrote:
>
> The selftests/mm build isn't exactly "broken", according to the current
> documentation, which still claims that one must run "make headers",
> before building the kselftests. However, according to the new plan to
> get rid of that requirement [1], they are future-broken: attempting to
> build selftests/mm *without* first running "make headers" will fail due
> to not finding __NR_mseal.
>
> Therefore, add __NR_mseal, to a new mseal_helpers.h file. That file is
> small right now, but subsequent patches will add a lot more content to
> it.
>
> [1] commit e076eaca5906 ("selftests: break the dependency upon local
> header files")
>
> Fixes: 4926c7a52de7 ("selftest mm/mseal memory sealing")
> Cc: Jeff Xu <jeffxu@chromium.org>
> Signed-off-by: John Hubbard <jhubbard@nvidia.com>

Reviewed-by: Jeff Xu <jeffxu@chromium.org>
Tested-by: Jeff Xu <jeffxu@chromium.org>

> ---
>  tools/testing/selftests/mm/mseal_helpers.h | 5 +++++
>  tools/testing/selftests/mm/mseal_test.c    | 1 +
>  tools/testing/selftests/mm/seal_elf.c      | 1 +
>  3 files changed, 7 insertions(+)
>  create mode 100644 tools/testing/selftests/mm/mseal_helpers.h
>
> diff --git a/tools/testing/selftests/mm/mseal_helpers.h b/tools/testing/selftests/mm/mseal_helpers.h
> new file mode 100644
> index 000000000000..b922d453a014
> --- /dev/null
> +++ b/tools/testing/selftests/mm/mseal_helpers.h
> @@ -0,0 +1,5 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +
> +#ifndef __NR_mseal
> +#define __NR_mseal 462
> +#endif
> diff --git a/tools/testing/selftests/mm/mseal_test.c b/tools/testing/selftests/mm/mseal_test.c
> index 41998cf1dcf5..20949617a036 100644
> --- a/tools/testing/selftests/mm/mseal_test.c
> +++ b/tools/testing/selftests/mm/mseal_test.c
> @@ -17,6 +17,7 @@
>  #include <sys/ioctl.h>
>  #include <sys/vfs.h>
>  #include <sys/stat.h>
> +#include "mseal_helpers.h"
>
>  /*
>   * need those definition for manually build using gcc.
> diff --git a/tools/testing/selftests/mm/seal_elf.c b/tools/testing/selftests/mm/seal_elf.c
> index f2babec79bb6..4053951a535c 100644
> --- a/tools/testing/selftests/mm/seal_elf.c
> +++ b/tools/testing/selftests/mm/seal_elf.c
> @@ -16,6 +16,7 @@
>  #include <sys/ioctl.h>
>  #include <sys/vfs.h>
>  #include <sys/stat.h>
> +#include "mseal_helpers.h"
>
>  /*
>   * need those definition for manually build using gcc.
> --
> 2.45.2
>