From: Geert Uytterhoeven <geert@linux-m68k.org>
To: kbuild test robot <lkp@intel.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>,
kbuild-all@lists.01.org, Ard Biesheuvel <ardb@kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [arm:for-next 9/26] arch/arm/boot/compressed/fdt_check_mem_start.c:62:10: warning: no previous prototype for 'fdt_check_mem_start'
Date: Wed, 3 Feb 2021 08:57:46 +0100 [thread overview]
Message-ID: <CAMuHMdVmMLvvJ4mAa+y8JCJ2+5Bwu2W=psgn3toC1msTghn=Xg@mail.gmail.com> (raw)
In-Reply-To: <202102030618.Xyy5oFqy-lkp@intel.com>
On Tue, Feb 2, 2021 at 11:31 PM kernel test robot <lkp@intel.com> wrote:
> tree: git://git.armlinux.org.uk/~rmk/linux-arm.git for-next
> head: d6bae7564ab1254b46ee3a3953ce1eb682a09602
> commit: 0673cb38951215060d7993b43ad3c45cd413c2c3 [9/26] ARM: 9045/1: uncompress: Validate start of physical memory against passed DTB
> config: arm-randconfig-r035-20210202 (attached as .config)
> compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git remote add arm git://git.armlinux.org.uk/~rmk/linux-arm.git
> git fetch --no-tags arm for-next
> git checkout 0673cb38951215060d7993b43ad3c45cd413c2c3
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> >> arch/arm/boot/compressed/fdt_check_mem_start.c:62:10: warning: no previous prototype for 'fdt_check_mem_start' [-Wmissing-prototypes]
> 62 | uint32_t fdt_check_mem_start(uint32_t mem_start, const void *fdt)
> | ^~~~~~~~~~~~~~~~~~~
Most global C functions in arch/arm/boot/compressed/ do not have previous
prototypes, as they are called from assembler only. The only exception is
arch/arm/boot/compressed/misc.h.
Russell: do you want to have prototypes for all of them?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-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
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prev parent reply other threads:[~2021-02-03 7:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-02 22:31 [arm:for-next 9/26] arch/arm/boot/compressed/fdt_check_mem_start.c:62:10: warning: no previous prototype for 'fdt_check_mem_start' kernel test robot
2021-02-03 7:57 ` Geert Uytterhoeven [this message]
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