Re: [PATCH v6 1/5] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls

[Song Liu <song@kernel.org>]

On Fri, Oct 10, 2025 at 6:27 AM Maxime Bélair
<maxime.belair@canonical.com> wrote:
[...]
> --- a/security/lsm_syscalls.c
> +++ b/security/lsm_syscalls.c
> @@ -118,3 +118,15 @@ SYSCALL_DEFINE3(lsm_list_modules, u64 __user *, ids, u32 __user *, size,
>
>         return lsm_active_cnt;
>  }
> +
> +SYSCALL_DEFINE6(lsm_config_self_policy, u32, lsm_id, u32, op, void __user *,
> +               buf, u32 __user, size, u32, common_flags, u32, flags)
> +{
> +       return 0;
> +}
> +
> +SYSCALL_DEFINE6(lsm_config_system_policy, u32, lsm_id, u32, op, void __user *,
> +               buf, u32 __user, size, u32, common_flags, u32, flags)
> +{
> +       return 0;
> +}

These two APIs look the same. Why not just keep one API and use
one bit in the flag to differentiate "self" vs. "system"?

Thanks,
Song