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* [ammarfaizi2-block:bpf/bpf-next/pr/bpf-sysctl 1/1] kernel/bpf/syscall.c:4944:13: warning: no previous prototype for 'unpriv_ebpf_notify'
@ 2022-04-13 22:42 kernel test robot
  2022-04-13 22:51 ` Daniel Borkmann
  0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2022-04-13 22:42 UTC (permalink / raw)
  To: Yan Zhu; +Cc: kbuild-all, GNU/Weeb Mailing List, linux-kernel, Daniel Borkmann

tree:   https://github.com/ammarfaizi2/linux-block bpf/bpf-next/pr/bpf-sysctl
head:   2900005ea287b11dcc8c1b9fcf24893b7ff41d6d
commit: 2900005ea287b11dcc8c1b9fcf24893b7ff41d6d [1/1] bpf: Move BPF sysctls from kernel/sysctl.c to BPF core
config: sh-buildonly-randconfig-r001-20220413 (https://download.01.org/0day-ci/archive/20220414/[email protected]/config)
compiler: sh4-linux-gcc (GCC) 11.2.0
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
        # https://github.com/ammarfaizi2/linux-block/commit/2900005ea287b11dcc8c1b9fcf24893b7ff41d6d
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block bpf/bpf-next/pr/bpf-sysctl
        git checkout 2900005ea287b11dcc8c1b9fcf24893b7ff41d6d
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>

All error/warnings (new ones prefixed by >>):

   sh4-linux-ld: arch/sh/lib/mcount.o: in function `stack_panic':
>> (.text+0x50): undefined reference to `dump_stack'
--
>> kernel/bpf/syscall.c:4944:13: warning: no previous prototype for 'unpriv_ebpf_notify' [-Wmissing-prototypes]
    4944 | void __weak unpriv_ebpf_notify(int new_state)
         |             ^~~~~~~~~~~~~~~~~~


vim +/unpriv_ebpf_notify +4944 kernel/bpf/syscall.c

  4943	
> 4944	void __weak unpriv_ebpf_notify(int new_state)
  4945	{
  4946	}
  4947	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [ammarfaizi2-block:bpf/bpf-next/pr/bpf-sysctl 1/1] kernel/bpf/syscall.c:4944:13: warning: no previous prototype for 'unpriv_ebpf_notify'
  2022-04-13 22:42 [ammarfaizi2-block:bpf/bpf-next/pr/bpf-sysctl 1/1] kernel/bpf/syscall.c:4944:13: warning: no previous prototype for 'unpriv_ebpf_notify' kernel test robot
@ 2022-04-13 22:51 ` Daniel Borkmann
  0 siblings, 0 replies; 2+ messages in thread
From: Daniel Borkmann @ 2022-04-13 22:51 UTC (permalink / raw)
  To: kernel test robot, Yan Zhu
  Cc: kbuild-all, GNU/Weeb Mailing List, linux-kernel

On 4/14/22 12:42 AM, kernel test robot wrote:
> tree:   https://github.com/ammarfaizi2/linux-block bpf/bpf-next/pr/bpf-sysctl
> head:   2900005ea287b11dcc8c1b9fcf24893b7ff41d6d
> commit: 2900005ea287b11dcc8c1b9fcf24893b7ff41d6d [1/1] bpf: Move BPF sysctls from kernel/sysctl.c to BPF core
> config: sh-buildonly-randconfig-r001-20220413 (https://download.01.org/0day-ci/archive/20220414/[email protected]/config)
> compiler: sh4-linux-gcc (GCC) 11.2.0
> 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
>          # https://github.com/ammarfaizi2/linux-block/commit/2900005ea287b11dcc8c1b9fcf24893b7ff41d6d
>          git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
>          git fetch --no-tags ammarfaizi2-block bpf/bpf-next/pr/bpf-sysctl
>          git checkout 2900005ea287b11dcc8c1b9fcf24893b7ff41d6d
>          # save the config file to linux build tree
>          mkdir build_dir
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <[email protected]>
> 
> All error/warnings (new ones prefixed by >>):
> 
>     sh4-linux-ld: arch/sh/lib/mcount.o: in function `stack_panic':
>>> (.text+0x50): undefined reference to `dump_stack'
> --
>>> kernel/bpf/syscall.c:4944:13: warning: no previous prototype for 'unpriv_ebpf_notify' [-Wmissing-prototypes]
>      4944 | void __weak unpriv_ebpf_notify(int new_state)
>           |             ^~~~~~~~~~~~~~~~~~
> 
> 
> vim +/unpriv_ebpf_notify +4944 kernel/bpf/syscall.c
> 
>    4943	
>> 4944	void __weak unpriv_ebpf_notify(int new_state)
>    4945	{
>    4946	}
>    4947	
> 

(Note that this is no different than the way it was before wrt prototype.)

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2022-04-13 23:08 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
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2022-04-13 22:42 [ammarfaizi2-block:bpf/bpf-next/pr/bpf-sysctl 1/1] kernel/bpf/syscall.c:4944:13: warning: no previous prototype for 'unpriv_ebpf_notify' kernel test robot
2022-04-13 22:51 ` Daniel Borkmann

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