Thanks for reporting. I will send out fix patch.
-Original Message-
From: kbuild test robot
Sent: Thursday, August 22, 2019 10:25 AM
To: Tianyu Lan
Cc: kbuild-...@01.org; linux-kernel@vger.kernel.org; tipbu...@zytor.com; Thomas
Gleixner ; Michael Kelley
Subject: [tip:timers/core 34/34] drivers//clocksource/hyperv_timer.c:264:35:
error: 'hv_sched_clock_offset' undeclared; did you mean 'sched_clock_register'?
tree:
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timers/core
head: b74e1d61dbc614ff35ef3ad9267c61ed06b09051
commit: b74e1d61dbc614ff35ef3ad9267c61ed06b09051 [34/34] clocksource/hyperv:
Add Hyper-V specific sched clock function
config: i386-randconfig-g002-201933 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
reproduce:
git checkout b74e1d61dbc614ff35ef3ad9267c61ed06b09051
# save the attached .config to linux build tree
make ARCH=i386
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot
All error/warnings (new ones prefixed by >>):
drivers//clocksource/hyperv_timer.c: In function 'read_hv_sched_clock_msr':
>> drivers//clocksource/hyperv_timer.c:264:35: error: 'hv_sched_clock_offset'
>> undeclared (first use in this function); did you mean 'sched_clock_register'?
return read_hv_clock_msr(NULL) - hv_sched_clock_offset;
^
sched_clock_register
drivers//clocksource/hyperv_timer.c:264:35: note: each undeclared identifier
is reported only once for each function it appears in
drivers//clocksource/hyperv_timer.c: In function 'hv_init_clocksource':
drivers//clocksource/hyperv_timer.c:334:2: error: 'hv_sched_clock_offset'
undeclared (first use in this function); did you mean 'sched_clock_register'?
hv_sched_clock_offset = hyperv_cs->read(hyperv_cs);
^
sched_clock_register
drivers//clocksource/hyperv_timer.c: In function 'read_hv_sched_clock_msr':
>> drivers//clocksource/hyperv_timer.c:265:1: warning: control reaches end of
>> non-void function [-Wreturn-type]
}
^
vim +264 drivers//clocksource/hyperv_timer.c
261
262 static u64 read_hv_sched_clock_msr(void)
263 {
> 264 return read_hv_clock_msr(NULL) - hv_sched_clock_offset;
> 265 }
266
---
0-DAY kernel test infrastructureOpen Source Technology Center
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Intel Corporation
