linux-kernel - Re: [kbuild-all] Re: [ardb:for-kernelci 25/25] arch/arm/kernel/traps.c:865:17: warning: no previous prototype for function 'handle_bad

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Message-ID: <1eba3a99-9861-084d-34d8-9da060b1e6b3@intel.com>
Date:   Thu, 2 Dec 2021 16:03:27 +0800
From:   Rong Chen <rong.a.chen@...el.com>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     kernel test robot <lkp@...el.com>, llvm@...ts.linux.dev,
        kbuild-all@...ts.01.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [kbuild-all] Re: [ardb:for-kernelci 25/25]
 arch/arm/kernel/traps.c:865:17: warning: no previous prototype for function
 'handle_bad_stack'



On 12/2/21 15:53, Ard Biesheuvel wrote:
> On Thu, 2 Dec 2021 at 08:34, Rong Chen <rong.a.chen@...el.com> wrote:
>>
>>
>> On 11/30/21 21:12, Ard Biesheuvel wrote:
>>> On Thu, 25 Nov 2021 at 02:35, kernel test robot <lkp@...el.com> wrote:
>>>> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git for-kernelci
>>>> head:   5da04a8b7050432b72f6551b6c95e4b5b5fd68d1
>>>> commit: 5da04a8b7050432b72f6551b6c95e4b5b5fd68d1 [25/25] ARM: implement THREAD_INFO_IN_TASK for uniprocessor systems
>>>> config: arm-randconfig-r024-20211124 (https://download.01.org/0day-ci/archive/20211125/202111250918.ErFZktQF-lkp@intel.com/config)
>>>> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 67a1c45def8a75061203461ab0060c75c864df1c)
>>>> 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
>>>>           # install arm cross compiling tool for clang build
>>>>           # apt-get install binutils-arm-linux-gnueabi
>>>>           # https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?id=5da04a8b7050432b72f6551b6c95e4b5b5fd68d1
>>>>           git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git
>>>>           git fetch --no-tags ardb for-kernelci
>>>>           git checkout 5da04a8b7050432b72f6551b6c95e4b5b5fd68d1
>>>>           # save the config file to linux build tree
>>>>           COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm
>>>>
>>>> If you fix the issue, kindly add following tag as appropriate
>>>> Reported-by: kernel test robot <lkp@...el.com>
>>>>
>>>> All warnings (new ones prefixed by >>):
>>>>
>>> This is yet another false positive. asmlinkage routines don't need a
>>> prototype because they are called from assembler. This is not going to
>>> get fixed, so please don't report this error anymore.
>> Hi Ard,
>>
>> Sorry for the noise, we'll ignore the warnings in the future.
>>
> Thanks! And if at all possible, please extend this to all routines
> marked as asmlinkage?
>

got it, thanks for your reminding.

Best Regards,
Rong Chen