Messages in this thread | | | Date | Sun, 14 Nov 2021 16:13:49 +0800 | From | kernel test robot <> | Subject | [jolsa-perf:ftrace/direct 8/8] samples/ftrace/ftrace-direct-multi.c:8:6: error: no previous prototype for 'my_direct_func' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git ftrace/direct head: b171ddeaf8fd82ae5e703a9ec28dc4a44f8f0019 commit: b171ddeaf8fd82ae5e703a9ec28dc4a44f8f0019 [8/8] ftrace/samples: Add multi direct interface test module config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=b171ddeaf8fd82ae5e703a9ec28dc4a44f8f0019 git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git git fetch --no-tags jolsa-perf ftrace/direct git checkout b171ddeaf8fd82ae5e703a9ec28dc4a44f8f0019 # save the attached .config to linux build tree make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> samples/ftrace/ftrace-direct-multi.c:8:6: error: no previous prototype for 'my_direct_func' [-Werror=missing-prototypes] 8 | void my_direct_func(unsigned long ip) | ^~~~~~~~~~~~~~ cc1: all warnings being treated as errors
vim +/my_direct_func +8 samples/ftrace/ftrace-direct-multi.c
7 > 8 void my_direct_func(unsigned long ip) 9 { 10 trace_printk("ip %lx\n", ip); 11 } 12
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