[glemco:staging_rv_bpf_monitors 20/29] kernel/trace/rv/rv_bpf.c:126:38: error: implicit declaration of function 'get_monitor_mdef_by_name'

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gmonaco/linux.git staging_rv_bpf_monitors
head:   3a153b8189ae2fb3a1e680f5092df636abbdac56
commit: 5c96c9aebafa7460b9d4335f84f4f643747750d8 [20/29] rv: Add reactors support to BPF monitors
config: parisc-allmodconfig (https://download.01.org/0day-ci/archive/20260306/202603061228.fbMtrfDi-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260306/202603061228.fbMtrfDi-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603061228.fbMtrfDi-lkp@intel.com/

All errors (new ones prefixed by >>):

   kernel/trace/rv/rv_bpf.c: In function 'bpf_rv_react':
>> kernel/trace/rv/rv_bpf.c:126:38: error: implicit declaration of function 'get_monitor_mdef_by_name' [-Wimplicit-function-declaration]
     126 |         struct rv_monitor *monitor = get_monitor_mdef_by_name(name__str);
         |                                      ^~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/trace/rv/rv_bpf.c:126:38: error: initialization of 'struct rv_monitor *' from 'int' makes pointer from integer without a cast [-Wint-conversion]


vim +/get_monitor_mdef_by_name +126 kernel/trace/rv/rv_bpf.c

   115	
   116	/**
   117	 * bpf_rv_react - trigger a reactor from BPF
   118	 * @name: monitor name
   119	 * @msg: pre-formatted message string
   120	 *
   121	 * This kfunc allows BPF monitors to trigger reactors with a message.
   122	 * The message should be pre-formatted by the BPF program using bpf_snprintf.
   123	 */
   124	__bpf_kfunc void bpf_rv_react(char *name__str, char *msg)
   125	{
 > 126		struct rv_monitor *monitor = get_monitor_mdef_by_name(name__str);
   127	
   128		if (monitor)
   129			rv_react(monitor, "%s", msg);
   130	}
   131	

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