linux-kernel - Re: [PATCH v3 5/9] tracing/probes: Support BTF field access from $retval

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Message-Id: <20230727075342.43f600a1850810f6e1dd6c2e@kernel.org>
Date:   Thu, 27 Jul 2023 07:53:42 +0900
From:   Masami Hiramatsu (Google) <mhiramat@...nel.org>
To:     "Masami Hiramatsu (Google)" <mhiramat@...nel.org>
Cc:     linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>, bpf@...r.kernel.org,
        Sven Schnelle <svens@...ux.ibm.com>,
        Alexei Starovoitov <ast@...nel.org>
Subject: Re: [PATCH v3 5/9] tracing/probes: Support BTF field access from
 $retval

On Wed, 26 Jul 2023 22:00:42 +0900
"Masami Hiramatsu (Google)" <mhiramat@...nel.org> wrote:


>  
> -static const struct btf_param *find_btf_func_param(const char *funcname, s32 *nr,
> -						   struct btf **btf_p, bool tracepoint)
> +static int query_btf_context(struct traceprobe_parse_context *ctx)
>  {
>  	return ERR_PTR(-EOPNOTSUPP);

Oops, kernel test bot reported this is wrong. I have to remove ERR_PTR().

Thanks,

>  }

-- 
Masami Hiramatsu (Google) <mhiramat@...nel.org>