2020-08-03 06:49:26

by 王文虎

Subject: [PATCH] doc: kcsan: add support info of gcc for kcsan

KCSAN is also supported in GCC version 7.3.0 or later.
For Clang, the supported versions are 7.0.0 and later.

Signed-off-by: Wang Wenhu <[email protected]>
---
Documentation/dev-tools/kcsan.rst | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/dev-tools/kcsan.rst b/Documentation/dev-tools/kcsan.rst
index b38379f06194..05a4578839cf 100644
--- a/Documentation/dev-tools/kcsan.rst
+++ b/Documentation/dev-tools/kcsan.rst
@@ -8,7 +8,8 @@ approach to detect races. KCSAN's primary purpose is to detect `data races`_.
Usage
-----

-KCSAN requires Clang version 11 or later.
+KCSAN is supported in both GCC and Clang. With GCC it requires version 7.3.0
+or later. With Clang it requires version 7.0.0 or later.

To enable KCSAN configure the kernel with::

--
2.17.1

2020-08-03 06:51:12

by Marco Elver

Subject: Re: [PATCH] doc: kcsan: add support info of gcc for kcsan

On Mon, 3 Aug 2020 at 08:45, Wang Wenhu <[email protected]> wrote:
>
> KCSAN is also supported in GCC version 7.3.0 or later.
> For Clang, the supported versions are 7.0.0 and later.
>
> Signed-off-by: Wang Wenhu <[email protected]>
> ---

Nack.

Did you mean K-A-SAN?

In which case this is the wrong file (kasan.rst also has the right
information FWIW).

> Documentation/dev-tools/kcsan.rst | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/dev-tools/kcsan.rst b/Documentation/dev-tools/kcsan.rst
> index b38379f06194..05a4578839cf 100644
> --- a/Documentation/dev-tools/kcsan.rst
> +++ b/Documentation/dev-tools/kcsan.rst
> @@ -8,7 +8,8 @@ approach to detect races. KCSAN's primary purpose is to detect `data races`_.
> Usage
> -----
>
> -KCSAN requires Clang version 11 or later.
> +KCSAN is supported in both GCC and Clang. With GCC it requires version 7.3.0
> +or later. With Clang it requires version 7.0.0 or later.
>
> To enable KCSAN configure the kernel with::
>
> --
> 2.17.1
>