* [PATCH] bpf: update outdated comment for refactored btf_check_kfunc_arg_match()
@ 2026-03-21 10:56 Kexin Sun
2026-03-21 15:20 ` Yonghong Song
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Kexin Sun @ 2026-03-21 10:56 UTC (permalink / raw)
To: ast, daniel, john.fastabend, andrii, martin.lau, eddyz87, song,
yonghong.song, kpsingh, sdf, haoluo, jolsa, bpf, linux-kernel
Cc: julia.lawall, xutong.ma, kexinsun, yunbolyu, ratnadiraw
The function btf_check_kfunc_arg_match() was refactored into
check_kfunc_args() by commit 00b85860feb8 ("bpf: Rewrite kfunc
argument handling"). Update the comment accordingly.
Assisted-by: unnamed:deepseek-v3.2 coccinelle
Signed-off-by: Kexin Sun <kexinsun@smail.nju.edu.cn>
---
kernel/bpf/verifier.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index bb12ba020649..c0ecf02a1b78 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -14410,7 +14410,7 @@ static int check_kfunc_call(struct bpf_verifier_env *env, struct bpf_insn *insn,
if (btf_type_is_ptr(t))
mark_btf_func_reg_size(env, regno, sizeof(void *));
else
- /* scalar. ensured by btf_check_kfunc_arg_match() */
+ /* scalar. ensured by check_kfunc_args() */
mark_btf_func_reg_size(env, regno, t->size);
}
--
2.25.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] bpf: update outdated comment for refactored btf_check_kfunc_arg_match()
2026-03-21 10:56 [PATCH] bpf: update outdated comment for refactored btf_check_kfunc_arg_match() Kexin Sun
@ 2026-03-21 15:20 ` Yonghong Song
2026-03-23 7:39 ` Jiayuan Chen
2026-03-24 20:40 ` patchwork-bot+netdevbpf
2 siblings, 0 replies; 4+ messages in thread
From: Yonghong Song @ 2026-03-21 15:20 UTC (permalink / raw)
To: Kexin Sun, ast, daniel, john.fastabend, andrii, martin.lau,
eddyz87, song, kpsingh, sdf, haoluo, jolsa, bpf, linux-kernel
Cc: julia.lawall, xutong.ma, yunbolyu, ratnadiraw
On 3/21/26 3:56 AM, Kexin Sun wrote:
> The function btf_check_kfunc_arg_match() was refactored into
> check_kfunc_args() by commit 00b85860feb8 ("bpf: Rewrite kfunc
> argument handling"). Update the comment accordingly.
>
> Assisted-by: unnamed:deepseek-v3.2 coccinelle
> Signed-off-by: Kexin Sun <kexinsun@smail.nju.edu.cn>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] bpf: update outdated comment for refactored btf_check_kfunc_arg_match()
2026-03-21 10:56 [PATCH] bpf: update outdated comment for refactored btf_check_kfunc_arg_match() Kexin Sun
2026-03-21 15:20 ` Yonghong Song
@ 2026-03-23 7:39 ` Jiayuan Chen
2026-03-24 20:40 ` patchwork-bot+netdevbpf
2 siblings, 0 replies; 4+ messages in thread
From: Jiayuan Chen @ 2026-03-23 7:39 UTC (permalink / raw)
To: Kexin Sun, ast, daniel, john.fastabend, andrii, martin.lau,
eddyz87, song, yonghong.song, kpsingh, sdf, haoluo, jolsa, bpf,
linux-kernel
Cc: julia.lawall, xutong.ma, yunbolyu, ratnadiraw
On 3/21/26 6:56 PM, Kexin Sun wrote:
> The function btf_check_kfunc_arg_match() was refactored into
> check_kfunc_args() by commit 00b85860feb8 ("bpf: Rewrite kfunc
> argument handling"). Update the comment accordingly.
>
> Assisted-by: unnamed:deepseek-v3.2 coccinelle
> Signed-off-by: Kexin Sun <kexinsun@smail.nju.edu.cn>
Reviewed-by: Jiayuan Chen <jiayuan.chen@linux.dev>
> ---
> kernel/bpf/verifier.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
> index bb12ba020649..c0ecf02a1b78 100644
> --- a/kernel/bpf/verifier.c
> +++ b/kernel/bpf/verifier.c
> @@ -14410,7 +14410,7 @@ static int check_kfunc_call(struct bpf_verifier_env *env, struct bpf_insn *insn,
> if (btf_type_is_ptr(t))
> mark_btf_func_reg_size(env, regno, sizeof(void *));
> else
> - /* scalar. ensured by btf_check_kfunc_arg_match() */
> + /* scalar. ensured by check_kfunc_args() */
> mark_btf_func_reg_size(env, regno, t->size);
> }
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] bpf: update outdated comment for refactored btf_check_kfunc_arg_match()
2026-03-21 10:56 [PATCH] bpf: update outdated comment for refactored btf_check_kfunc_arg_match() Kexin Sun
2026-03-21 15:20 ` Yonghong Song
2026-03-23 7:39 ` Jiayuan Chen
@ 2026-03-24 20:40 ` patchwork-bot+netdevbpf
2 siblings, 0 replies; 4+ messages in thread
From: patchwork-bot+netdevbpf @ 2026-03-24 20:40 UTC (permalink / raw)
To: Kexin Sun
Cc: ast, daniel, john.fastabend, andrii, martin.lau, eddyz87, song,
yonghong.song, kpsingh, sdf, haoluo, jolsa, bpf, linux-kernel,
julia.lawall, xutong.ma, yunbolyu, ratnadiraw
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Sat, 21 Mar 2026 18:56:58 +0800 you wrote:
> The function btf_check_kfunc_arg_match() was refactored into
> check_kfunc_args() by commit 00b85860feb8 ("bpf: Rewrite kfunc
> argument handling"). Update the comment accordingly.
>
> Assisted-by: unnamed:deepseek-v3.2 coccinelle
> Signed-off-by: Kexin Sun <kexinsun@smail.nju.edu.cn>
>
> [...]
Here is the summary with links:
- bpf: update outdated comment for refactored btf_check_kfunc_arg_match()
https://git.kernel.org/bpf/bpf-next/c/70b5f3f7822a
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 4+ messages in thread
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2026-03-21 10:56 [PATCH] bpf: update outdated comment for refactored btf_check_kfunc_arg_match() Kexin Sun
2026-03-21 15:20 ` Yonghong Song
2026-03-23 7:39 ` Jiayuan Chen
2026-03-24 20:40 ` patchwork-bot+netdevbpf
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