linux-kernel - Re: [PATCH 2/2] sh: math-emu: fix macro redefined warning

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Date:   Mon, 15 Nov 2021 11:04:38 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        kernel test robot <lkp@...el.com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        Linux-sh list <linux-sh@...r.kernel.org>
Subject: Re: [PATCH 2/2] sh: math-emu: fix macro redefined warning

On Mon, Nov 15, 2021 at 7:42 AM Randy Dunlap <rdunlap@...radead.org> wrote:
> Fix a warning that was reported by the kernel test robot:
>
> In file included from ../include/math-emu/soft-fp.h:27,
>                  from ../arch/sh/math-emu/math.c:22:
> ../arch/sh/include/asm/sfp-machine.h:17: warning: "__BYTE_ORDER" redefined
>    17 | #define __BYTE_ORDER __BIG_ENDIAN
> In file included from ../arch/sh/math-emu/math.c:21:
> ../arch/sh/math-emu/sfp-util.h:71: note: this is the location of the previous definition
>    71 | #define __BYTE_ORDER __LITTLE_ENDIAN
>
> Fixes: b929926f01f2 ("sh: define __BIG_ENDIAN for math-emu")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

> --- linux-next-20211112.orig/arch/sh/math-emu/sfp-util.h
> +++ linux-next-20211112/arch/sh/math-emu/sfp-util.h
> @@ -67,7 +67,3 @@
>    } while (0)
>
>  #define abort()        return 0
> -
> -#define __BYTE_ORDER __LITTLE_ENDIAN
> -
> -

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds