linux-kernel - Re: [PATCH 2/2] samples/livepatch: Add README.rst disclaimer

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Message-ID: <20240529135129.16373-1-mpdesouza@suse.com>
Date: Wed, 29 May 2024 10:51:27 -0300
From: Marcos Paulo de Souza <mpdesouza@...e.com>
To: Joe Lawrence <joe.lawrence@...hat.com>
Cc: mpdesouza@...e.com,
	live-patching@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] samples/livepatch: Add README.rst disclaimer

From: mpdesouza@...e.com

On   Tue, 21 Jul 2020 12:14:07 -0400   Joe Lawrence <joe.lawrence@...hat.com> wrote:

> The livepatch samples aren't very careful with respect to compiler
> IPA-optimization of target kernel functions.
> 
> Add a quick disclaimer and pointer to the compiler-considerations.rst
> file to warn readers.
> 
> Suggested-by: Josh Poimboeuf <jpoimboe@...hat.com>
> Signed-off-by: Joe Lawrence <joe.lawrence@...hat.com>
> ---
>  samples/livepatch/README.rst | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>  create mode 100644 samples/livepatch/README.rst

Acked-by: Marcos Paulo de Souza <mpdesouza@...e.com>

> 
> diff --git a/samples/livepatch/README.rst b/samples/livepatch/README.rst
> new file mode 100644
> index 000000000000..2f8ef945f2ac
> --- /dev/null
> +++ b/samples/livepatch/README.rst
> @@ -0,0 +1,15 @@
> +.. SPDX-License-Identifier: GPL-2.0+
> +
> +==========
> +Disclaimer
> +==========
> +
> +The livepatch sample programs were written with idealized compiler
> +output in mind. That is to say that they do not consider ways in which
> +optimization may transform target kernel functions.
> +
> +The samples present only a simple API demonstration and should not be
> +considered completely safe.
> +
> +See the Documentation/livepatching/compiler-considerations.rst file for
> +more details on compiler optimizations and how they affect livepatching.
> -- 
> 2.21.3