linux-kernel - Re: Question about config UPROBES and UPROBE

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Message-ID: <20240930100630.7894c442@gandalf.local.home>
Date: Mon, 30 Sep 2024 10:06:30 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc: "Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
 linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Question about config UPROBES and UPROBE_EVENTS

On Mon, 30 Sep 2024 09:33:42 +0800
Tiezhu Yang <yangtiezhu@...ngson.cn> wrote:

> > the CONFIG_UPROBES is disabled by default and make CONFIG_UPROBE_EVENTS
> > depending on it, the uprobe_events menu is hidden. I don't like this.  
> 
> This is somehow like the current status of CONFIG_KPROBES and
> CONFIG_KPROBE_EVENTS.

The question is, can uprobes be used without uprobe_events? With the
current BPF work that I haven't been following, it may be possible now.

If uprobes can be used without uprobe events, like kprobes can be used
without kprobe events, then I can see having uprobes as a separate config
menu option. If not, then no, it shouldn't be.

-- Steve