Hi Vitaly, [auto build test WARNING on linus/master] [also build test WARNING on v4.14-rc3 next-20170929] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Vitaly-Kuznetsov/hyper-v-trace-vmbus_on_msg_dpc/20171002-062040 config: i386-randconfig-x017-201740 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/trace/define_trace.h:95:0, from drivers/hv/hv_trace.h:29, from drivers/hv/hv_trace.c:4: include/trace/trace_events.h:759:13: warning: 'print_fmt_vmbus_hdr_msg' defined but not used [-Wunused-variable] static char print_fmt_##call[] = print; \ ^ >> drivers/hv/./hv_trace.h:9:1: note: in expansion of macro 'DECLARE_EVENT_CLASS' DECLARE_EVENT_CLASS(vmbus_hdr_msg, ^~~~~~~~~~~~~~~~~~~ In file included from include/trace/define_trace.h:95:0, from drivers/hv/hv_trace.h:29, from drivers/hv/hv_trace.c:4: include/trace/trace_events.h:363:37: warning: 'trace_event_type_funcs_vmbus_hdr_msg' defined but not used [-Wunused-variable] static struct trace_event_functions trace_event_type_funcs_##call = { \ ^ >> drivers/hv/./hv_trace.h:9:1: note: in expansion of macro 'DECLARE_EVENT_CLASS' DECLARE_EVENT_CLASS(vmbus_hdr_msg, ^~~~~~~~~~~~~~~~~~~ vim +/DECLARE_EVENT_CLASS +9 drivers/hv/./hv_trace.h 8 > 9 DECLARE_EVENT_CLASS(vmbus_hdr_msg, 10 TP_PROTO(const struct vmbus_channel_message_header *hdr), 11 TP_ARGS(hdr), 12 TP_STRUCT__entry(__field(unsigned int, msgtype)), 13 TP_fast_assign(__entry->msgtype = hdr->msgtype;), 14 TP_printk("msgtype=%d", __entry->msgtype) 15 ); 16 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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