diff options
| author | Walter Wu <[email protected]> | 2020-08-06 23:24:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-08-07 11:33:28 -0700 |
| commit | 9793b62663f54e369a3986543b296992a8a0589c (patch) | |
| tree | a33d2202902957fec6fa864bd6843e133dd4759c | |
| parent | 387d6e46681b0d5b64f5d13639f90e3df15e020d (diff) | |
kasan: update documentation for generic kasan
Generic KASAN will support to record the last two call_rcu() call stacks
and print them in KASAN report. So that need to update documentation.
Signed-off-by: Walter Wu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Tested-by: Dmitry Vyukov <[email protected]>
Reviewed-by: Dmitry Vyukov <[email protected]>
Reviewed-by: Andrey Konovalov <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Matthias Brugger <[email protected]>
Cc: "Paul E . McKenney" <[email protected]>
Cc: Josh Triplett <[email protected]>
Cc: Mathieu Desnoyers <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Joel Fernandes <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | Documentation/dev-tools/kasan.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst index 15a2a53e77b0..38fd5681fade 100644 --- a/Documentation/dev-tools/kasan.rst +++ b/Documentation/dev-tools/kasan.rst @@ -190,6 +190,9 @@ function calls GCC directly inserts the code to check the shadow memory. This option significantly enlarges kernel but it gives x1.1-x2 performance boost over outline instrumented kernel. +Generic KASAN prints up to 2 call_rcu() call stacks in reports, the last one +and the second to last. + Software tag-based KASAN ~~~~~~~~~~~~~~~~~~~~~~~~ |