linux-kernel - Re: [PATCHv3 bpf-next 4/9] bpf: Switch BUILD_ID_SIZE

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Message-ID: <CAEf4Bza29CQzBusZ-x5QoJNjezBMx0FHdcj4p=Q+LM_qCtF=fg@mail.gmail.com>
Date:   Thu, 16 Mar 2023 15:07:58 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Hao Luo <haoluo@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Matthew Wilcox <willy@...radead.org>, bpf@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Namhyung Kim <namhyung@...il.com>,
        Dave Chinner <david@...morbit.com>
Subject: Re: [PATCHv3 bpf-next 4/9] bpf: Switch BUILD_ID_SIZE_MAX to enum

On Thu, Mar 16, 2023 at 10:02 AM Jiri Olsa <jolsa@...nel.org> wrote:
>
> Switching BUILD_ID_SIZE_MAX to enum, so we expose it to BPF
> programs through vmlinux.h.
>
> Suggested-by: Andrii Nakryiko <andrii@...nel.org>
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---

Thanks!

Acked-by: Andrii Nakryiko <andrii@...nel.org>

>  include/linux/buildid.h | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/buildid.h b/include/linux/buildid.h
> index b8b2e00420d6..316971c634fe 100644
> --- a/include/linux/buildid.h
> +++ b/include/linux/buildid.h
> @@ -5,7 +5,9 @@
>  #include <linux/mm_types.h>
>  #include <linux/slab.h>
>
> -#define BUILD_ID_SIZE_MAX 20
> +enum {
> +       BUILD_ID_SIZE_MAX = 20
> +};
>
>  struct build_id {
>         u32 sz;
> --
> 2.39.2
>