linux-kernel - Re: [PATCH] x86: Include asm/ptrace.h in syscall

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Message-Id: <6c859203-68a4-4dd9-bd7c-e93c65c686f2@app.fastmail.com>
Date:   Mon, 24 Oct 2022 16:26:21 +0100
From:   "Lorenz Bauer" <oss@....io>
To:     "Jiri Olsa" <jolsa@...nel.org>,
        "Alexei Starovoitov" <ast@...nel.org>,
        "Daniel Borkmann" <daniel@...earbox.net>,
        "Andrii Nakryiko" <andrii@...nel.org>,
        "Peter Zijlstra" <peterz@...radead.org>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        "Ingo Molnar" <mingo@...hat.com>, "Borislav Petkov" <bp@...en8.de>,
        "Dave Hansen" <dave.hansen@...ux.intel.com>,
        "Andy Lutomirski" <luto@...nel.org>
Cc:     "Akihiro HARAI" <jharai0815@...il.com>, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org, "Martin KaFai Lau" <kafai@...com>,
        "Song Liu" <songliubraving@...com>, "Yonghong Song" <yhs@...com>,
        "John Fastabend" <john.fastabend@...il.com>,
        "KP Singh" <kpsingh@...omium.org>,
        "Stanislav Fomichev" <sdf@...gle.com>,
        "Hao Luo" <haoluo@...gle.com>
Subject: Re: [PATCH] x86: Include asm/ptrace.h in syscall_wrapper header

On Tue, 18 Oct 2022, at 13:27, Jiri Olsa wrote:
> From: Jiri Olsa <olsajiri@...il.com>
>
> With just the forward declaration of the 'struct pt_regs' in
> syscall_wrapper.h, the syscall stub functions:
>
>   __[x64|ia32]_sys_*(struct pt_regs *regs)

I think arm64 has a similar problem: https://elixir.bootlin.com/linux/v6.1-rc2/source/arch/arm64/include/asm/syscall_wrapper.h#L11

Best
Lorenz