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Date:   Mon, 28 Feb 2022 23:21:31 -0500
From:   Steven Rostedt <rostedt@goodmis.org>
To:     Daniel Latypov <dlatypov@google.com>
Cc:     Kees Cook <keescook@chromium.org>,
        Eric Biederman <ebiederm@xmission.com>,
        David Gow <davidgow@google.com>,
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        kunit-dev@googlegroups.com, linux-fsdevel@vger.kernel.org,
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        linux-hardening@vger.kernel.org
Subject: Re: [PATCH] binfmt_elf: Introduce KUnit test
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On Mon, 28 Feb 2022 17:48:27 -0800
Daniel Latypov <dlatypov@google.com> wrote:

> He also prototyped a more intrusive alternative to using ftrace and
> kernel livepatch since they don't work on all arches, like UML.

Perhaps instead of working on a intrusive alternative on archs that do
not support live kernel patching, implement live kernel patching on
those archs! ;-)

It's probably the same amount of work. Well, really, you only need to
implement the klp_arch_set_pc(fregs, new_function); part.

-- Steve