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| author | Marco Elver <elver@google.com> | 2021-06-07 14:56:49 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2021-07-20 22:49:43 +0200 |
| commit | e675d2533a74acfa95c62e7bb088335866f44fd2 (patch) | |
| tree | 576b958d47c0161ee9088d62ac476a5861a0e739 /Documentation/dev-tools/kcsan.rst | |
| parent | kcsan: Remove CONFIG_KCSAN_DEBUG (diff) | |
| download | linux-e675d2533a74acfa95c62e7bb088335866f44fd2.tar.xz linux-e675d2533a74acfa95c62e7bb088335866f44fd2.zip | |
kcsan: Introduce CONFIG_KCSAN_STRICT
Add a simpler Kconfig variable to configure KCSAN's "strict" mode. This
makes it simpler in documentation or messages to suggest just a single
configuration option to select the strictest checking mode (vs.
currently having to list several options).
Signed-off-by: Marco Elver <elver@google.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'Documentation/dev-tools/kcsan.rst')
| -rw-r--r-- | Documentation/dev-tools/kcsan.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/dev-tools/kcsan.rst b/Documentation/dev-tools/kcsan.rst index 6a600cf8430b..69dc9c502ccc 100644 --- a/Documentation/dev-tools/kcsan.rst +++ b/Documentation/dev-tools/kcsan.rst @@ -127,6 +127,10 @@ Kconfig options: causes KCSAN to not report data races due to conflicts where the only plain accesses are aligned writes up to word size. +To use the strictest possible rules, select ``CONFIG_KCSAN_STRICT=y``, which +configures KCSAN to follow the Linux-kernel memory consistency model (LKMM) as +closely as possible. + DebugFS interface ~~~~~~~~~~~~~~~~~ |