netdev - [PATCH bpf-next v4 1/3] bpf: Remove unused member rcu from bpf_struct_ops

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Message-Id: <20241112145849.3436772-2-xukuohai@huaweicloud.com>
Date: Tue, 12 Nov 2024 22:58:47 +0800
From: Xu Kuohai <xukuohai@...weicloud.com>
To: bpf@...r.kernel.org,
	netdev@...r.kernel.org
Cc: 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>,
	Yonghong Song <yonghong.song@...ux.dev>,
	Kui-Feng Lee <thinker.li@...il.com>
Subject: [PATCH bpf-next v4 1/3] bpf: Remove unused member rcu from bpf_struct_ops_map

From: Xu Kuohai <xukuohai@...wei.com>

The rcu member in bpf_struct_ops_map is not used after commit
b671c2067a04 ("bpf: Retire the struct_ops map kvalue->refcnt.")

Remove it.

Suggested-by: Martin KaFai Lau <martin.lau@...ux.dev>
Signed-off-by: Xu Kuohai <xukuohai@...wei.com>
---
 kernel/bpf/bpf_struct_ops.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c
index fda3dd2ee984..40a93e690473 100644
--- a/kernel/bpf/bpf_struct_ops.c
+++ b/kernel/bpf/bpf_struct_ops.c
@@ -23,7 +23,6 @@ struct bpf_struct_ops_value {
 
 struct bpf_struct_ops_map {
 	struct bpf_map map;
-	struct rcu_head rcu;
 	const struct bpf_struct_ops_desc *st_ops_desc;
 	/* protect map_update */
 	struct mutex lock;
-- 
2.39.5