linux-kernel - Re: [PATCH bpf-next v3 3/6] bpf: fix the usage of BPF_TRAMP_F_SKIP

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Message-ID: <5070743.31r3eYUQgx@7950hx>
Date: Fri, 19 Dec 2025 20:27:37 +0800
From: Menglong Dong <menglong.dong@...ux.dev>
To: Andreas Schwab <schwab@...ux-m68k.org>
Cc: Menglong Dong <menglong8.dong@...il.com>, ast@...nel.org,
 rostedt@...dmis.org, daniel@...earbox.net, john.fastabend@...il.com,
 andrii@...nel.org, martin.lau@...ux.dev, eddyz87@...il.com, song@...nel.org,
 yonghong.song@...ux.dev, kpsingh@...nel.org, sdf@...ichev.me,
 haoluo@...gle.com, jolsa@...nel.org, mhiramat@...nel.org,
 mark.rutland@....com, mathieu.desnoyers@...icios.com, jiang.biao@...ux.dev,
 bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject:
 Re: [PATCH bpf-next v3 3/6] bpf: fix the usage of BPF_TRAMP_F_SKIP_FRAME

On 2025/12/19 19:41, Andreas Schwab wrote:
> On Dez 19 2025, Menglong Dong wrote:
> 
> > BPF_TRAMP_F_ORIG_STACK
> 
> How can that ever be set?

Oops, my bad! It should be BPF_TRAMP_F_CALL_ORIG here. I think
it is some kind of copy-paste mistake. I'll send a fix for it.

Thanks!
Menglong Dong

> 
> 	if (flags & (BPF_TRAMP_F_ORIG_STACK | BPF_TRAMP_F_SHARE_IPMODIFY))
> 		return -ENOTSUPP;
> 
>