linux-kernel - Re: [mcgrof-next:20211124-sysctl-cleanups-v2 41/41] kernel/kprobes.c:2605:2: error: implicit declaration of function 'kprobe_sysctls

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Date:   Mon, 29 Nov 2021 12:12:02 -0800
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Xiaoming Ni <nixiaoming@...wei.com>, llvm@...ts.linux.dev,
        kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: [mcgrof-next:20211124-sysctl-cleanups-v2 41/41]
 kernel/kprobes.c:2605:2: error: implicit declaration of function
 'kprobe_sysctls_init'

On Sat, Nov 27, 2021 at 02:48:14PM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20211124-sysctl-cleanups-v2
> head:   c66aee3b7120f4a5f1d40cc9109dcf684643cc17
> commit: c66aee3b7120f4a5f1d40cc9109dcf684643cc17 [41/41] kprobe: move sysctl_kprobes_optimization to kprobes.c
> config: arm64-randconfig-r006-20211126 (https://download.01.org/0day-ci/archive/20211127/202111271451.VDtFz59Q-lkp@intel.com/config)
> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5162b558d8c0b542e752b037e72a69d5fd51eb1e)
> 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 arm64 cross compiling tool for clang build
>         # apt-get install binutils-aarch64-linux-gnu
>         # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=c66aee3b7120f4a5f1d40cc9109dcf684643cc17
>         git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
>         git fetch --no-tags mcgrof-next 20211124-sysctl-cleanups-v2
>         git checkout c66aee3b7120f4a5f1d40cc9109dcf684643cc17
>         # save the config file to linux build tree
>         mkdir build_dir
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash
> 
> 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 >>):
> 
> >> kernel/kprobes.c:2605:2: error: implicit declaration of function 'kprobe_sysctls_init' [-Werror,-Wimplicit-function-declaration]
>            kprobe_sysctls_init();
>            ^
>    1 error generated.

Fixed.

  Luis