Re: [PATCH v5 2/2] misc: Add a mechanism to detect stalls on guest vCPUs

From: kernel test robot
Date: Tue May 10 2022 - 02:53:00 EST


Hi Sebastian,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on robh/for-next]
[also build test ERROR on char-misc/char-misc-testing soc/for-next v5.18-rc6 next-20220509]
[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/Sebastian-Ene/Detect-stalls-on-guest-vCPUS/20220509-174959
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220510/202205101453.rxj6blmH-lkp@xxxxxxxxx/config)
compiler: sh4-linux-gcc (GCC) 11.3.0
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://github.com/intel-lab-lkp/linux/commit/d3152372fdd19448b32806c0bffd78d8729d02e4
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Sebastian-Ene/Detect-stalls-on-guest-vCPUS/20220509-174959
git checkout d3152372fdd19448b32806c0bffd78d8729d02e4
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/misc/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from include/linux/device/driver.h:21,
from include/linux/device.h:32,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from drivers/misc/vcpu_stall_detector.c:6:
>> drivers/misc/vcpu_stall_detector.c:203:25: error: 'vcpu_stall_detector_of_match' undeclared here (not in a function); did you mean 'vcpu_stall_detect_of_match'?
203 | MODULE_DEVICE_TABLE(of, vcpu_stall_detector_of_match);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/module.h:244:15: note: in definition of macro 'MODULE_DEVICE_TABLE'
244 | extern typeof(name) __mod_##type##__##name##_device_table \
| ^~~~
>> include/linux/module.h:244:21: error: '__mod_of__vcpu_stall_detector_of_match_device_table' aliased to undefined symbol 'vcpu_stall_detector_of_match'
244 | extern typeof(name) __mod_##type##__##name##_device_table \
| ^~~~~~
drivers/misc/vcpu_stall_detector.c:203:1: note: in expansion of macro 'MODULE_DEVICE_TABLE'
203 | MODULE_DEVICE_TABLE(of, vcpu_stall_detector_of_match);
| ^~~~~~~~~~~~~~~~~~~


vim +203 drivers/misc/vcpu_stall_detector.c

202
> 203 MODULE_DEVICE_TABLE(of, vcpu_stall_detector_of_match);
204

--
0-DAY CI Kernel Test Service
https://01.org/lkp