[LTP] [PATCH 2/2] pkey: correct the PKEY_DISABLE_ACCESS definitions on PowerPC

[Jan Stancek]

On Mon, Apr 11, 2022 at 11:41 AM Li Wang <liwang@redhat.com> wrote:
>
> Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e9506394a159
>
> Signed-off-by: Li Wang <liwang@redhat.com>
> ---
>  testcases/kernel/syscalls/pkeys/pkey.h | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/testcases/kernel/syscalls/pkeys/pkey.h b/testcases/kernel/syscalls/pkeys/pkey.h
> index 6e32326b6..6cda88ff1 100644
> --- a/testcases/kernel/syscalls/pkeys/pkey.h
> +++ b/testcases/kernel/syscalls/pkeys/pkey.h
> @@ -11,6 +11,13 @@
>  #include "lapi/syscalls.h"
>  #include "lapi/mmap.h"
>
> +#if defined(__powerpc__) || defined(__ppc__)
> +# undef PKEY_DISABLE_ACCESS
> +# define PKEY_DISABLE_ACCESS 0x3

Where does powerpc define PKEY_DISABLE_ACCESS as 0x3?

Comment in tools/testing/selftests/powerpc/include/pkeys.h says it's
older glibc that has this problem, but looking at latest glibc it
still defines it as 0x1:
https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/bits/mman-shared.h;h=00a1f27c0ef51de1ec657071c5744e09299f7ff2;hb=HEAD#l41



> +# undef PKEY_DISABLE_WRITE
> +# define PKEY_DISABLE_WRITE  0x2
> +#endif
> +
>  #ifndef PKEY_DISABLE_ACCESS
>  # define PKEY_DISABLE_ACCESS 0x1
>  # define PKEY_DISABLE_WRITE  0x2
> --
> 2.31.1
>
>
> --
> Mailing list info: https://lists.linux.it/listinfo/ltp
>