Re: [PATCH V5 15/16] rv/reactor: Add the printk reactor

[kernel test robot <lkp@intel.com>]

Hi Daniel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on rostedt-trace/for-next]
[also build test WARNING on tip/sched/core]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Daniel-Bristot-de-Oliveira/The-Runtime-Verification-RV-interface/20220714-052220
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git for-next
config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20220718/202207180703.hiH5bbyO-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/d1746223447deb1d1646f968512a065a1cd63a9c
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Daniel-Bristot-de-Oliveira/The-Runtime-Verification-RV-interface/20220714-052220
        git checkout d1746223447deb1d1646f968512a065a1cd63a9c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/misc/lkdtm/ kernel/trace/rv/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> kernel/trace/rv/reactor_printk.c:20:19: sparse: sparse: symbol 'rv_printk' was not declared. Should it be static?
>> kernel/trace/rv/reactor_printk.c:26:5: sparse: sparse: symbol 'register_react_printk' was not declared. Should it be static?
>> kernel/trace/rv/reactor_printk.c:32:6: sparse: sparse: symbol 'unregister_react_printk' was not declared. Should it be static?

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