linux-kernel - Re: [kbuild-all] Re: [mcgrof-next:20210908-firmware-builtin-v4 2/11] drivers/base/firmware_loader/builtin/main.c:36:6: error: no previous prototype for function 'firmware_is

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Date:   Wed, 15 Sep 2021 16:15:43 +0800
From:   "Chen, Rong A" <rong.a.chen@...el.com>
To:     Luis Chamberlain <mcgrof@...nel.org>,
        Philip Li <philip.li@...el.com>
Cc:     kernel test robot <lkp@...el.com>, llvm@...ts.linux.dev,
        kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Borislav Petkov <bp@...e.de>
Subject: Re: [kbuild-all] Re: [mcgrof-next:20210908-firmware-builtin-v4 2/11]
 drivers/base/firmware_loader/builtin/main.c:36:6: error: no previous
 prototype for function 'firmware_is_builtin'



On 9/14/2021 12:21 AM, Luis Chamberlain wrote:
> On Mon, Sep 13, 2021 at 08:59:50AM -0700, Luis Chamberlain wrote:
>> On Sat, Sep 11, 2021 at 09:28:53AM +0800, Philip Li wrote:
>>> On Fri, Sep 10, 2021 at 05:48:23PM -0700, Luis Chamberlain wrote:
>>>> On Fri, Sep 10, 2021 at 03:41:31PM +0800, kernel test robot wrote:
>>>>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20210908-firmware-builtin-v4
>>>>> head:   1c69d6a17750179d68bcaf6b16f9a08d2e475989
>>>>> commit: 79e9fce20ee88ffe37542a66277628e6c53dde14 [2/11] firmware_loader: formalize built-in firmware API
>>>>> config: hexagon-buildonly-randconfig-r004-20210910 (attached as .config)
>>>>> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 261cbe98c38f8c1ee1a482fe76511110e790f58a)
>>>>> 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
>>>>>          # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=79e9fce20ee88ffe37542a66277628e6c53dde14
>>>>>          git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
>>>>>          git fetch --no-tags mcgrof-next 20210908-firmware-builtin-v4
>>>>>          git checkout 79e9fce20ee88ffe37542a66277628e6c53dde14
>>>>>          # save the attached .config to linux build tree
>>>>>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=hexagon
>>>>>
>>>>> If you fix the issue, kindly add following tag as appropriate
>>>>> Reported-by: kernel test robot <lkp@...el.com>
>>>>>
>>>>> All errors (new ones prefixed by >>):
>>>>>
>>>>>>> drivers/base/firmware_loader/builtin/main.c:36:6: error: no previous prototype for function 'firmware_is_builtin' [-Werror,-Wmissing-prototypes]
>>>>>     bool firmware_is_builtin(const struct firmware *fw)
>>>>
>>>> This is a lie though its defined on drivers/base/firmware_loader/firmware.h
>>>>
>>>>>          ^
>>>>>     drivers/base/firmware_loader/builtin/main.c:36:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
>>>>>     bool firmware_is_builtin(const struct firmware *fw)
>>>>>     ^
>>>>>     static
>>>>>     1 error generated.
>>>>
>>>> I get these odd errors:
>>>>
>>>> Compiler will be installed in /home/mcgrof/0day
>>> hi Luis, would you mind to download the make.cross tool again to give a try, it
>>> was updated recently to use latest clang instead of this 12.0.0?
>>
>> I had clang+llvm-12.0.0-cross-hexagon-unknown-linux-musl and this was
>> used already. Is there a more recent one? Just in case I rm -rf'd it
>> and tried again with the latest make.cross.
> 
> I rm -rf ~/0day and tried again but the failure I get is:
> 
>    CALL    scripts/checksyscalls.sh
>    <stdin>:1515:2: warning: syscall clone3 not implemented [-W#warnings]
>    #warning syscall clone3 not implemented
> 
> Even if I disable CONFIG_WERROR and COMPILE_TEST this still fails here
> and so I can't even test compile the code in question.
> 
>    Luis

Hi Luis,

Sorry for the inconvenience, the error can be reproduced with W=1,
we'll update the reproduce step.

Best Regards,
Rong Chen