[PATCH v2 6/6] kasan: update documentation for generic kasan

Walter Wu walter-zh.wu at mediatek.com
Mon Aug 24 04:14:33 EDT 2020


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 <walter-zh.wu at mediatek.com>
Cc: Andrey Ryabinin <aryabinin at virtuozzo.com>
Cc: Dmitry Vyukov <dvyukov at google.com>
Cc: Alexander Potapenko <glider at google.com>
Cc: Jonathan Corbet <corbet at lwn.net>
---
 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,
+or workqueue queueing stacks in reports, the last one and the second to last.
 
 Software tag-based KASAN
 ~~~~~~~~~~~~~~~~~~~~~~~~
-- 
2.18.0


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