Messages in this thread |  | | Date | Mon, 1 Nov 2021 01:40:05 +0800 | From | kernel test robot <> | Subject | [jolsa-perf:ftrace/direct 4/8] kernel/trace/trace_selftest.c:753:32: error: 'trace_direct_tramp' defined but not used |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git ftrace/direct head: b171ddeaf8fd82ae5e703a9ec28dc4a44f8f0019 commit: 0b1d3b2f86afd6dfbe4127ac520f532d31853b32 [4/8] tracing: Add trampoline/graph selftest config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gcc (GCC) 11.2.0 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/jolsa/perf.git/commit/?id=0b1d3b2f86afd6dfbe4127ac520f532d31853b32 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 0b1d3b2f86afd6dfbe4127ac520f532d31853b32 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=sh
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 >>):
kernel/trace/trace.c: In function 'trace_check_vprintf': kernel/trace/trace.c:3813:17: error: function 'trace_check_vprintf' might be a candidate for 'gnu_printf' format attribute [-Werror=suggest-attribute=format] 3813 | trace_seq_vprintf(&iter->seq, iter->fmt, ap); | ^~~~~~~~~~~~~~~~~ kernel/trace/trace.c:3868:17: error: function 'trace_check_vprintf' might be a candidate for 'gnu_printf' format attribute [-Werror=suggest-attribute=format] 3868 | trace_seq_vprintf(&iter->seq, p, ap); | ^~~~~~~~~~~~~~~~~ In file included from kernel/trace/trace.c:8597: At top level: >> kernel/trace/trace_selftest.c:753:32: error: 'trace_direct_tramp' defined but not used [-Werror=unused-function] 753 | noinline __noclone static void trace_direct_tramp(void) { } | ^~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors
vim +/trace_direct_tramp +753 kernel/trace/trace_selftest.c
752 > 753 noinline __noclone static void trace_direct_tramp(void) { } 754
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