linux-kernel - Re: [PATCH 7/8] verification/dot2k: Auto patch current kernel source

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Message-ID: <20241227144440.17171185@gandalf.local.home>
Date: Fri, 27 Dec 2024 14:44:40 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Gabriele Monaco <gmonaco@...hat.com>
Cc: linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org, Juri
 Lelli <juri.lelli@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, John
 Kacur <jkacur@...hat.com>
Subject: Re: [PATCH 7/8] verification/dot2k: Auto patch current kernel
 source

On Fri, 27 Dec 2024 15:47:51 +0100
Gabriele Monaco <gmonaco@...hat.com> wrote:

> dot2k suggests a list of changes to the kernel tree while adding a
> monitor: edit tracepoints header, Makefile, Kconfig and moving the
> monitor folder. Those changes can be easily run automatically.
> 
> This patch adds a flag to dot2k to alter the kernel source.

I'll pull in these patches for linux-next, but the above should be written
as:

  Add a flag to dot2k to alter the kernel source.

I made the update. This is for future reference. Never use "This patch" or
"This commit" in a change log.

Thanks,

-- Steve


> 
> The kernel source directory can be either assumed from the PWD, or from
> the running kernel, if installed.
> This feature works best if the kernel tree is a git repository, so that
> its easier to make sure there are no unintended changes.
> 
> The main RV files (e.g. Makefile) have now a comment placeholder that
> can be useful for manual editing (e.g. to know where to add new
> monitors) and it is used by the script to append the required lines.
> 
> We also slightly adapt the file handling functions in dot2k: __open_file
> is now called __read_file and also closes the file before returning the
> content; __create_file is now a more general __write_file, we no longer
> return on FileExistsError (not thrown while opening), a new
> __create_file simply calls __write_file specifying the monitor folder in
> the path.
> 
> Signed-off-by: Gabriele Monaco <gmonaco@...hat.com>