Hi Steven, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on rostedt-trace/for-next] [also build test WARNING on wireless-next/main] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Steven-Rostedt/tracing-events-Add-__vstring-and-__assign_vstr-helpers/20220706-065125 base: https://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git for-next config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220706/202207061250.oSPdYi3E-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/e742b16f3b984d761db2d898c15e7632e9166d4a git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Steven-Rostedt/tracing-events-Add-__vstring-and-__assign_vstr-helpers/20220706-065125 git checkout e742b16f3b984d761db2d898c15e7632e9166d4a # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/infiniband/hw/hfi1/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from include/trace/define_trace.h:102, from drivers/infiniband/hw/hfi1/trace_dbg.h:111, from drivers/infiniband/hw/hfi1/trace.h:15, from drivers/infiniband/hw/hfi1/trace.c:6: drivers/infiniband/hw/hfi1/./trace_dbg.h: In function 'trace_event_get_offsets_hfi1_trace_template': >> include/trace/trace_events.h:261:16: warning: function 'trace_event_get_offsets_hfi1_trace_template' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 261 | struct trace_event_raw_##call __maybe_unused *entry; \ | ^~~~~~~~~~~~~~~~ drivers/infiniband/hw/hfi1/./trace_dbg.h:25:1: note: in expansion of macro 'DECLARE_EVENT_CLASS' 25 | DECLARE_EVENT_CLASS(hfi1_trace_template, | ^~~~~~~~~~~~~~~~~~~ In file included from include/trace/define_trace.h:102, from drivers/infiniband/hw/hfi1/trace_dbg.h:111, from drivers/infiniband/hw/hfi1/trace.h:15, from drivers/infiniband/hw/hfi1/trace.c:6: drivers/infiniband/hw/hfi1/./trace_dbg.h: In function 'trace_event_raw_event_hfi1_trace_template': include/trace/trace_events.h:386:16: warning: function 'trace_event_raw_event_hfi1_trace_template' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 386 | struct trace_event_raw_##call *entry; \ | ^~~~~~~~~~~~~~~~ drivers/infiniband/hw/hfi1/./trace_dbg.h:25:1: note: in expansion of macro 'DECLARE_EVENT_CLASS' 25 | DECLARE_EVENT_CLASS(hfi1_trace_template, | ^~~~~~~~~~~~~~~~~~~ In file included from include/trace/define_trace.h:103, from drivers/infiniband/hw/hfi1/trace_dbg.h:111, from drivers/infiniband/hw/hfi1/trace.h:15, from drivers/infiniband/hw/hfi1/trace.c:6: drivers/infiniband/hw/hfi1/./trace_dbg.h: In function 'perf_trace_hfi1_trace_template': include/trace/perf.h:64:16: warning: function 'perf_trace_hfi1_trace_template' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 64 | struct hlist_head *head; \ | ^~~~~~~~~~ drivers/infiniband/hw/hfi1/./trace_dbg.h:25:1: note: in expansion of macro 'DECLARE_EVENT_CLASS' 25 | DECLARE_EVENT_CLASS(hfi1_trace_template, | ^~~~~~~~~~~~~~~~~~~ vim +261 include/trace/trace_events.h 55de2c0b5610cb include/trace/trace_events.h Masami Hiramatsu 2021-11-22 253 091ad3658e3c76 include/trace/ftrace.h Ingo Molnar 2009-11-26 254 #undef DECLARE_EVENT_CLASS 091ad3658e3c76 include/trace/ftrace.h Ingo Molnar 2009-11-26 255 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ d0ee8f4a1f5f3d include/trace/trace_events.h Steven Rostedt (Red Hat 2015-05-13 256) static inline notrace int trace_event_get_offsets_##call( \ 62323a148fbeb0 include/trace/trace_events.h Steven Rostedt (Red Hat 2015-05-13 257) struct trace_event_data_offsets_##call *__data_offsets, proto) \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 258 { \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 259 int __data_size = 0; \ 114e7b52dee69c include/trace/ftrace.h Filipe Brandenburger 2014-02-28 260 int __maybe_unused __item_length; \ a7237765730a10 include/trace/trace_events.h Steven Rostedt (Red Hat 2015-05-13 @261) struct trace_event_raw_##call __maybe_unused *entry; \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 262 \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 263 tstruct; \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 264 \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 265 return __data_size; \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 266 } 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 267 -- 0-DAY CI Kernel Test Service https://01.org/lkp
