linux-kernel - [PATCH bpf-next 4/4] bpf: use bpf_prog_run_pin_on_cpu_rcu() in bpf_prog_run_clear

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Message-ID: <20251014112640.261770-5-dongml2@chinatelecom.cn>
Date: Tue, 14 Oct 2025 19:26:40 +0800
From: Menglong Dong <menglong8.dong@...il.com>
To: ast@...nel.org,
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Cc: daniel@...earbox.net,
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Subject: [PATCH bpf-next 4/4] bpf: use bpf_prog_run_pin_on_cpu_rcu() in bpf_prog_run_clear_cb

All the calling of bpf_prog_run_clear_cb() is protected with
rcu_read_lock, so we can replace bpf_prog_run_pin_on_cpu() with
bpf_prog_run_pin_on_cpu_rcu() for it.

Signed-off-by: Menglong Dong <dongml2@...natelecom.cn>
---
 include/linux/filter.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/filter.h b/include/linux/filter.h
index 48eb42358543..5ec5b16538f4 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -995,7 +995,7 @@ static inline u32 bpf_prog_run_clear_cb(const struct bpf_prog *prog,
 	if (unlikely(prog->cb_access))
 		memset(cb_data, 0, BPF_SKB_CB_LEN);
 
-	res = bpf_prog_run_pin_on_cpu(prog, skb);
+	res = bpf_prog_run_pin_on_cpu_rcu(prog, skb);
 	return res;
 }
 
-- 
2.51.0