2020-08-10 07:31:51

by Walter Wu

[permalink] [raw]
Subject: [PATCH 5/5] kasan: update documentation for generic KASAN

Generic KASAN support to record the last two timer and workqueue
stacks and print them in KASAN report. So that need to update
documentation.

Signed-off-by: Walter Wu <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Jonathan Corbet <[email protected]>
---
Documentation/dev-tools/kasan.rst | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index fede42e6536b..5a4c5da8bda8 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -193,8 +193,8 @@ 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.
+Generic KASAN prints up to 2 call_rcu() call stacks, timer queueing stacks,
+and workqueue queueing stacks in reports, the last one and the second to last.

Software tag-based KASAN
~~~~~~~~~~~~~~~~~~~~~~~~
--
2.18.0