linux-kernel - Re: [PATCH 1/5] Documentation/kcov: Include types.h in the example.

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Message-ID: <CACT4Y+aj3UkhEBq+ROyM=Ns138xpEfCNXSvGRLAXTFyOVkFA8A@mail.gmail.com>
Date:   Fri, 17 Sep 2021 16:34:56 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Marco Elver <elver@...gle.com>,
        Clark Williams <williams@...hat.com>
Subject: Re: [PATCH 1/5] Documentation/kcov: Include types.h in the example.

On Mon, 30 Aug 2021 at 19:26, Sebastian Andrzej Siewior
<bigeasy@...utronix.de> wrote:
>
> The first example code has includes at the top, the following two
> example share that part. The last example (remote coverage collection)
> requires the linux/types.h header file due its __aligned_u64 usage.
>
> Add the linux/types.h to the top most example and a comment that the
> header files from above are required as it is done in the second
> example.
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>

Acked-by: Dmitry Vyukov <dvyukov@...gle.com>


> ---
>  Documentation/dev-tools/kcov.rst | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/dev-tools/kcov.rst b/Documentation/dev-tools/kcov.rst
> index d2c4c27e1702d..347f3b6de8d40 100644
> --- a/Documentation/dev-tools/kcov.rst
> +++ b/Documentation/dev-tools/kcov.rst
> @@ -50,6 +50,7 @@ The following program demonstrates coverage collection from within a test
>      #include <sys/mman.h>
>      #include <unistd.h>
>      #include <fcntl.h>
> +    #include <linux/types.h>
>
>      #define KCOV_INIT_TRACE                    _IOR('c', 1, unsigned long)
>      #define KCOV_ENABLE                        _IO('c', 100)
> @@ -251,6 +252,8 @@ selectively from different subsystems.
>
>  .. code-block:: c
>
> +    /* Same includes and defines as above. */
> +
>      struct kcov_remote_arg {
>         __u32           trace_mode;
>         __u32           area_size;
> --
> 2.33.0
>