linux-kernel - Re: [PATCH 22/22] man2: Add uprobe syscall page

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Message-ID: <cqih4qscx5jslfaq46bjcldt3dqoiyqg2dgbnif5eqa7ioygem@lorictjx3jrb>
Date: Thu, 1 May 2025 23:26:46 +0200
From: Alejandro Colomar <alx@...nel.org>
To: Jiri Olsa <olsajiri@...il.com>
Cc: Oleg Nesterov <oleg@...hat.com>, 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>, 
	Masami Hiramatsu <mhiramat@...nel.org>, Alan Maguire <alan.maguire@...cle.com>, 
	David Laight <David.Laight@...lab.com>, Thomas Weißschuh <thomas@...ch.de>, 
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH 22/22] man2: Add uprobe syscall page

Hi Jiri,

On Tue, Apr 22, 2025 at 10:45:41PM +0200, Alejandro Colomar wrote:
> On Tue, Apr 22, 2025 at 04:01:56PM +0200, Jiri Olsa wrote:
> > > > +is an alternative to breakpoint instructions
> > > > +for triggering entry uprobe consumers.
> > > 
> > > What are breakpoint instructions?
> > 
> > it's int3 instruction to trigger breakpoint (on x86_64)
> 
> I guess it's something that people who do that stuff understand.
> I don't, but I guess your intended audience will be okay with it.  :)
> 
> > > The pages are almost identical.  Should we document both pages in the
> > > same page?
> > 
> > great, I was wondering this was an option, looks much better
> > should we also add uprobe link, like below?
> 
> Yep, sure.  Thanks for the reminder!

From what I see, I should not yet merge the patch, right?  The kernel
code is under review, right?


Have a lovely night!
Alex

> 
> 
> Have a lovely night!
> Alex
> 
> -- 
> <https://www.alejandro-colomar.es/>



-- 
<https://www.alejandro-colomar.es/>

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