From: mpdesouza@xxxxxxxx On Tue, 21 Jul 2020 12:14:07 -0400 Joe Lawrence <joe.lawrence@xxxxxxxxxx> 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@xxxxxxxxxx> > Signed-off-by: Joe Lawrence <joe.lawrence@xxxxxxxxxx> > --- > samples/livepatch/README.rst | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > create mode 100644 samples/livepatch/README.rst Acked-by: Marcos Paulo de Souza <mpdesouza@xxxxxxxx> > > 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
