linux-kernel - Re: [PATCH v3 49/56] refcount.h: fix a kernel-doc markup

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Date:   Fri, 23 Oct 2020 10:40:09 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>,
        Ard Biesheuvel <ardb@...nel.org>,
        Ingo Molnar <mingo@...nel.org>, Jann Horn <jannh@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Will Deacon <will@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 49/56] refcount.h: fix a kernel-doc markup

On Fri, Oct 23, 2020 at 06:33:36PM +0200, Mauro Carvalho Chehab wrote:
> The documented typedef just after the kernel-doc markup
> is named "refcount_struct".
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
>  include/linux/refcount.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/refcount.h b/include/linux/refcount.h
> index 497990c69b0b..8f431b0e69e4 100644
> --- a/include/linux/refcount.h
> +++ b/include/linux/refcount.h
> @@ -101,7 +101,7 @@
>  struct mutex;
>  
>  /**
> - * struct refcount_t - variant of atomic_t specialized for reference counts
> + * struct refcount_struct - variant of atomic_t specialized for reference counts

Hm, this is a weird one. Yes, it's actually "struct refcount_struct",
but the usage should be refcount_t (through the typedef). I'm not sure
what the right way to document this is.

-Kees

>   * @refs: atomic_t counter field
>   *
>   * The counter saturates at REFCOUNT_SATURATED and will not move once
> -- 
> 2.26.2
> 

-- 
Kees Cook