From: Dmitry Vyukov <dvyukov@google.com>
To: Walter Wu <walter-zh.wu@mediatek.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>,
Alexander Potapenko <glider@google.com>,
Jonathan Corbet <corbet@lwn.net>,
kasan-dev <kasan-dev@googlegroups.com>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
wsd_upstream <wsd_upstream@mediatek.com>,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v6 4/4] kasan: update documentation for generic kasan
Date: Mon, 25 May 2020 11:56:53 +0200 [thread overview]
Message-ID: <CACT4Y+agmL5ZOWmNBJyLSTuhy7ekp4HTafABUsqqP+XFd7ErKw@mail.gmail.com> (raw)
In-Reply-To: <20200522020212.23460-1-walter-zh.wu@mediatek.com>
On Fri, May 22, 2020 at 4:02 AM Walter Wu <walter-zh.wu@mediatek.com> wrote:
>
> 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.
Reviewed-and-tested-by: Dmitry Vyukov <dvyukov@google.com>
> Signed-off-by: Walter Wu <walter-zh.wu@mediatek.com>
> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
> Cc: Dmitry Vyukov <dvyukov@google.com>
> Cc: Alexander Potapenko <glider@google.com>
> Cc: Jonathan Corbet <corbet@lwn.net>
> ---
> 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
> ~~~~~~~~~~~~~~~~~~~~~~~~
>
> --
> 2.18.0
>
> --
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> To view this discussion on the web visit https://groups.google.com/d/msgid/kasan-dev/20200522020212.23460-1-walter-zh.wu%40mediatek.com.
prev parent reply other threads:[~2020-05-25 9:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 2:02 [PATCH v6 4/4] kasan: update documentation for generic kasan Walter Wu
2020-05-25 9:56 ` Dmitry Vyukov [this message]
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