On Fri, Aug 25, 2023 at 12:54 PM Yonghong Song <yonghong.song@xxxxxxxxx> wrote:
>
> Add __percpu_kptr macro definition in bpf_helpers.h.
>
> Signed-off-by: Yonghong Song <yonghong.song@xxxxxxxxx>
> ---
> tools/lib/bpf/bpf_helpers.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
> index bbab9ad9dc5a..77ceea575dc7 100644
> --- a/tools/lib/bpf/bpf_helpers.h
> +++ b/tools/lib/bpf/bpf_helpers.h
> @@ -181,6 +181,7 @@ enum libbpf_tristate {
> #define __ksym __attribute__((section(".ksyms")))
> #define __kptr_untrusted __attribute__((btf_type_tag("kptr_untrusted")))
> #define __kptr __attribute__((btf_type_tag("kptr")))
> +#define __percpu_kptr __attribute__((btf_type_tag("percpu_kptr")))
total nitpick, but given kptr_untrusted, should this stick to the
pattern and be __kptr_percpu? It keeps this "kptr" umbrella/namespace
consistent
>
> #define bpf_ksym_exists(sym) ({ \
> _Static_assert(!__builtin_constant_p(!!sym), #sym " should be marked as __weak"); \
> --
> 2.34.1
>
