linux-ext4 - Re: [PATCH v5 15/15] Compiler Attributes: ext4: remove local _

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Message-ID: <CAKwvOdnF=65Fj3zXP5KWVqWkKKFoPMvKox0iWFTObxdQiSgqog@mail.gmail.com>
Date:   Thu, 20 Sep 2018 11:13:48 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>, adilger.kernel@...ger.ca,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>, rostedt@...dmis.org,
        mchehab+samsung@...nel.org, olof@...m.net,
        konstantin@...uxfoundation.org,
        "David S. Miller" <davem@...emloft.net>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Kees Cook <keescook@...omium.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Paul Lawrence <paullawrence@...gle.com>,
        sandipan@...ux.vnet.ibm.com,
        Andrey Konovalov <andreyknvl@...gle.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Will Deacon <will.deacon@....com>,
        Philippe Ombredanne <pombredanne@...b.com>,
        paul.burton@...s.com, David Rientjes <rientjes@...gle.com>,
        w@....eu, msebor@...il.com, sparse@...isli.org,
        Jonathan Corbet <corbet@....net>, tytso@....edu,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>, joe@...ches.com,
        Arnd Bergmann <arnd@...db.de>, asmadeus@...ewreck.org,
        Stefan Agner <stefan@...er.ch>,
        Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-doc@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-sparse@...r.kernel.org,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH v5 15/15] Compiler Attributes: ext4: remove local
 __nonstring definition

On Thu, Sep 20, 2018 at 10:23 AM Miguel Ojeda
<miguel.ojeda.sandonis@...il.com> wrote:
>
> Commit 072ebb3bffe6 ("ext4: add nonstring annotations to ext4.h")
> introduced a local definition of __nonstring to suppress some false
> positives in gcc 8's -Wstringop-truncation.
>
> Since now we support __nonstring for everyone, remove it.

... from a patch in the current series (Note to other reviewers).

>
> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
> ---
>  fs/ext4/ext4.h | 9 ---------
>  1 file changed, 9 deletions(-)
>
> diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
> index caff935fbeb8..2acdfdad3d3f 100644
> --- a/fs/ext4/ext4.h
> +++ b/fs/ext4/ext4.h
> @@ -45,15 +45,6 @@
>
>  #include <linux/compiler.h>
>
> -/* Until this gets included into linux/compiler-gcc.h */
> -#ifndef __nonstring
> -#if defined(GCC_VERSION) && (GCC_VERSION >= 80000)
> -#define __nonstring __attribute__((nonstring))
> -#else
> -#define __nonstring
> -#endif
> -#endif
> -
>  /*
>   * The fourth extended filesystem constants/structures
>   */
> --
> 2.17.1
>

Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

-- 
Thanks,
~Nick Desaulniers