[powerpc:next-test 141/145] arch/powerpc/kernel/trace/ftrace.c:714:6: error: redefinition of 'ftrace_free_init_tramp'

kernel test robot lkp at intel.com
Wed May 18 03:11:37 AEST 2022


tree:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next-test
head:   2e4a9942261f89ad204a8189634029a4b1f0efb6
commit: 0cad223e88229b1f021f9e167bdb2ba7b0d0c369 [141/145] powerpc/ftrace: Remove ftrace init tramp once kernel init is complete
config: powerpc-buildonly-randconfig-r005-20220516 (https://download.01.org/0day-ci/archive/20220518/202205180129.rAXTjqF6-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=0cad223e88229b1f021f9e167bdb2ba7b0d0c369
        git remote add powerpc https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
        git fetch --no-tags powerpc next-test
        git checkout 0cad223e88229b1f021f9e167bdb2ba7b0d0c369
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

>> arch/powerpc/kernel/trace/ftrace.c:714:6: error: redefinition of 'ftrace_free_init_tramp'
     714 | void ftrace_free_init_tramp(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~
   In file included from include/linux/ftrace.h:23,
                    from arch/powerpc/kernel/trace/ftrace.c:20:
   arch/powerpc/include/asm/ftrace.h:119:20: note: previous definition of 'ftrace_free_init_tramp' with type 'void(void)'
     119 | static inline void ftrace_free_init_tramp(void) { }
         |                    ^~~~~~~~~~~~~~~~~~~~~~


vim +/ftrace_free_init_tramp +714 arch/powerpc/kernel/trace/ftrace.c

   713	
 > 714	void ftrace_free_init_tramp(void)
   715	{
   716		int i;
   717	
   718		for (i = 0; i < NUM_FTRACE_TRAMPS && ftrace_tramps[i]; i++)
   719			if (ftrace_tramps[i] == (unsigned long)ftrace_tramp_init) {
   720				ftrace_tramps[i] = 0;
   721				return;
   722			}
   723	}
   724	

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


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