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

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Message-ID: <875xa2g0m0.fsf@igel.home>
Date: Fri, 19 Dec 2025 12:41:27 +0100
From: Andreas Schwab <schwab@...ux-m68k.org>
To: Menglong Dong <menglong.dong@...ux.dev>
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 Dez 19 2025, Menglong Dong wrote:

> BPF_TRAMP_F_ORIG_STACK

How can that ever be set?

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

-- 
Andreas Schwab, schwab@...ux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
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