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SubjectRe: [PATCH v2 01/16] hyper-v: trace vmbus_on_msg_dpc()
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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