linux-kernel - [PATCH bpf-next v1] bpf,arena: Rename the kfunc set variable

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Message-ID: <20240507024952.1590681-1-haiyue.wang@intel.com>
Date: Tue,  7 May 2024 10:49:15 +0800
From: Haiyue Wang <haiyue.wang@...el.com>
To: bpf@...r.kernel.org
Cc: Haiyue Wang <haiyue.wang@...el.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Eduard Zingerman <eddyz87@...il.com>,
	Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	John Fastabend <john.fastabend@...il.com>,
	KP Singh <kpsingh@...nel.org>,
	Stanislav Fomichev <sdf@...gle.com>,
	Hao Luo <haoluo@...gle.com>,
	Jiri Olsa <jolsa@...nel.org>,
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH bpf-next v1] bpf,arena: Rename the kfunc set variable

Rename the kfunc set variable to specify the 'arena' function scope,
although the 'UNSPEC' type BPF program is mapped to 'COMMON' hook.

And there is 'common_kfunc_set' defined for real 'common' function in
file 'kernel/bpf/helpers.c'.

Signed-off-by: Haiyue Wang <haiyue.wang@...el.com>
---
 kernel/bpf/arena.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/bpf/arena.c b/kernel/bpf/arena.c
index 6c81630c5293..ef2177c0465f 100644
--- a/kernel/bpf/arena.c
+++ b/kernel/bpf/arena.c
@@ -557,13 +557,13 @@ BTF_ID_FLAGS(func, bpf_arena_alloc_pages, KF_TRUSTED_ARGS | KF_SLEEPABLE)
 BTF_ID_FLAGS(func, bpf_arena_free_pages, KF_TRUSTED_ARGS | KF_SLEEPABLE)
 BTF_KFUNCS_END(arena_kfuncs)
 
-static const struct btf_kfunc_id_set common_kfunc_set = {
+static const struct btf_kfunc_id_set arena_kfunc_set = {
 	.owner = THIS_MODULE,
 	.set   = &arena_kfuncs,
 };
 
 static int __init kfunc_init(void)
 {
-	return register_btf_kfunc_id_set(BPF_PROG_TYPE_UNSPEC, &common_kfunc_set);
+	return register_btf_kfunc_id_set(BPF_PROG_TYPE_UNSPEC, &arena_kfunc_set);
 }
 late_initcall(kfunc_init);
-- 
2.43.2