linux-kernel - Re: [PATCH perf/core 03/11] perf: Add support to attach standard unique uprobe

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Message-ID: <20250903132226.GE18799@redhat.com>
Date: Wed, 3 Sep 2025 15:22:27 +0200
From: Oleg Nesterov <oleg@...hat.com>
To: Jiri Olsa <olsajiri@...il.com>
Cc: Masami Hiramatsu <mhiramat@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrii Nakryiko <andrii@...nel.org>, bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
	x86@...nel.org, Song Liu <songliubraving@...com>,
	Yonghong Song <yhs@...com>,
	John Fastabend <john.fastabend@...il.com>,
	Hao Luo <haoluo@...gle.com>, Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH perf/core 03/11] perf: Add support to attach standard
 unique uprobe

On 09/03, Jiri Olsa wrote:
>
> On Wed, Sep 03, 2025 at 01:59:13PM +0200, Oleg Nesterov wrote:
> >
> > I am wondering why (with or without this change) perf_uprobe_init() needs
> > the additional arguments besides "event". It can look at event->attr.config
> > itself?
> >
> > Same for perf_kprobe_init()...
>
> I think that's because we define enum perf_probe_config together
> with PMU_FORMAT_ATTRs and code for attr->config parsing, which
> makes sense to me

Ah, and "enum perf_probe_config" is not exported...

Thanks, please forget then.

Oleg.