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

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Message-Id: <20230316170149.4106586-5-jolsa@kernel.org>
Date:   Thu, 16 Mar 2023 18:01:44 +0100
From:   Jiri Olsa <jolsa@...nel.org>
To:     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>
Cc:     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: [PATCHv3 bpf-next 4/9] bpf: Switch BUILD_ID_SIZE_MAX to enum

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>
---
 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