[PATCH 2/2] samples/livepatch: Add README.rst disclaimer
STALE849d
From: Joe Lawrence <joe.lawrence@redhat.com>
Date: 2020-07-21 16:14:23
Also in:
lkml
Subsystem:
live patching, the rest · Maintainers:
Josh Poimboeuf, Jiri Kosina, Miroslav Benes, Petr Mladek, Linus Torvalds
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 <redacted> Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com> --- samples/livepatch/README.rst | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 samples/livepatch/README.rst
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.
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2.21.3