Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
References: <20181029200920.28901-1-semen.protsenko@linaro.org>
In-Reply-To: <20181029200920.28901-1-semen.protsenko@linaro.org>
From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Mon, 29 Oct 2018 22:11:52 +0200
Message-ID: <CAHp75Vd7XpPgx+RuOon6HD0U7LcKrqJLgukEk0wfYFrii=2DJg@mail.gmail.com>
Subject: Re: [PATCH v2] kernel/SRCU: Fix ctags
To:     Sam Protsenko <semen.protsenko@linaro.org>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Mon, Oct 29, 2018 at 10:09 PM Sam Protsenko
<semen.protsenko@linaro.org> wrote:
>
> ctags indexing ("make tags" command) throws this warning:
>
>     ctags: Warning: include/linux/notifier.h:125:
>     null expansion of name pattern "\1"
>
> This is the result of DEFINE_PER_CPU() macro exapansion. Fix that by
> getting rid of line break.
>
> Similar fix was already done in commit 25528213fe9f ("tags: Fix
> DEFINE_PER_CPU expansions"), but this one probably wasn't noticed.

Why not to add Fixes tag here as well?

>
> Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
> ---
>  include/linux/notifier.h | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/include/linux/notifier.h b/include/linux/notifier.h
> index f35c7bf76143..0096a05395e3 100644
> --- a/include/linux/notifier.h
> +++ b/include/linux/notifier.h
> @@ -122,8 +122,7 @@ extern void srcu_init_notifier_head(struct srcu_notifier_head *nh);
>
>  #ifdef CONFIG_TREE_SRCU
>  #define _SRCU_NOTIFIER_HEAD(name, mod)                         \
> -       static DEFINE_PER_CPU(struct srcu_data,                 \
> -                       name##_head_srcu_data);                 \
> +       static DEFINE_PER_CPU(struct srcu_data, name##_head_srcu_data); \
>         mod struct srcu_notifier_head name =                    \
>                         SRCU_NOTIFIER_INIT(name, name##_head_srcu_data)
>
> --
> 2.19.1
>


-- 
With Best Regards,
Andy Shevchenko