archive mirror
 help / color / mirror / Atom feed
From: Walter Wu <>
To: Andrey Ryabinin <>,
	Alexander Potapenko <>,
	Dmitry Vyukov <>,
	Jonathan Corbet <>
Cc: <>, <>,
	wsd_upstream <>,
	Walter Wu <>
Subject: [PATCH v7 4/4] kasan: update documentation for generic kasan
Date: Mon, 1 Jun 2020 13:11:11 +0800	[thread overview]
Message-ID: <> (raw)

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 <>
Reviewed-and-tested-by: Dmitry Vyukov <>
Reviewed-by: Andrey Konovalov <>
Cc: Andrey Ryabinin <>
Cc: Alexander Potapenko <>
Cc: Jonathan Corbet <>
 Documentation/dev-tools/kasan.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index c652d740735d..fede42e6536b 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -193,6 +193,9 @@ 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

                 reply	other threads:[~2020-06-01  5:11 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \ \ \ \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).