[jolsa-perf:bpf/single_direct_ops 3/9] include/linux/ftrace.h:561: multiple definition of `unregister_ftrace_direct_hash'; drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:include/linux/ftrace.h:561: first defined here

[jolsa-perf:bpf/single_direct_ops 3/9] include/linux/ftrace.h:561: multiple definition of `unregister_ftrace_direct_hash'; drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:include/linux/ftrace.h:561: first defined here

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/single_direct_ops
head:   512bde773529ffbb0241c282793b7f4641034fe7
commit: 2343ed53ba7f3e2615ad0e325bbf0766ab00e9b6 [3/9] ftrace: Add unregister_ftrace_direct_hash function
config: arm-randconfig-003-20250925 (https://download.01.org/0day-ci/archive/20250925/202509251110.E3O2GY0v-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250925/202509251110.E3O2GY0v-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/202509251110.E3O2GY0v-lkp@intel.com/

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_kms.o: in function `register_ftrace_direct_hash':
   include/linux/ftrace.h:559: multiple definition of `register_ftrace_direct_hash'; drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:include/linux/ftrace.h:559: first defined here
   arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_kms.o: in function `unregister_ftrace_direct_hash':
>> include/linux/ftrace.h:561: multiple definition of `unregister_ftrace_direct_hash'; drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:include/linux/ftrace.h:561: first defined here
   arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.o: in function `register_ftrace_direct_hash':
   include/linux/ftrace.h:559: multiple definition of `register_ftrace_direct_hash'; drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:include/linux/ftrace.h:559: first defined here
   arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.o: in function `unregister_ftrace_direct_hash':
>> include/linux/ftrace.h:561: multiple definition of `unregister_ftrace_direct_hash'; drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:include/linux/ftrace.h:561: first defined here
   arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.o: in function `register_ftrace_direct_hash':
   include/linux/ftrace.h:559: multiple definition of `register_ftrace_direct_hash'; drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:include/linux/ftrace.h:559: first defined here
   arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.o: in function `unregister_ftrace_direct_hash':
>> include/linux/ftrace.h:561: multiple definition of `unregister_ftrace_direct_hash'; drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:include/linux/ftrace.h:561: first defined here
   arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.o: in function `register_ftrace_direct_hash':
   include/linux/ftrace.h:559: multiple definition of `register_ftrace_direct_hash'; drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:include/linux/ftrace.h:559: first defined here
   arm-linux-gnueabi-ld: drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.o: in function `unregister_ftrace_direct_hash':
>> include/linux/ftrace.h:561: multiple definition of `unregister_ftrace_direct_hash'; drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.o:include/linux/ftrace.h:561: first defined here


vim +561 include/linux/ftrace.h

763e34e74bb7d5 Steven Rostedt (VMware  2019-11-08  557) 
203fbea7336ac9 Jiri Olsa               2024-11-12  558  int register_ftrace_direct_hash(struct ftrace_ops *ops, struct ftrace_hash *hash)
203fbea7336ac9 Jiri Olsa               2024-11-12  559  {
203fbea7336ac9 Jiri Olsa               2024-11-12  560  	return -ENODEV;
203fbea7336ac9 Jiri Olsa               2024-11-12 @561  }
203fbea7336ac9 Jiri Olsa               2024-11-12  562  

:::::: The code at line 561 was first introduced by commit
:::::: 203fbea7336ac9a34f6150f753774e1a030b751e ftrace: Add register_ftrace_direct_hash function

:::::: TO: Jiri Olsa <jolsa@kernel.org>
:::::: CC: Jiri Olsa <jolsa@kernel.org>

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