kernel/reboot.c:559: warning: Function parameter or member 'poweroff_delay_ms' not described in 'hw_failure_emergency_poweroff'

From: kernel test robot
Date: Sun Sep 03 2023 - 21:02:16 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 92901222f83d988617aee37680cb29e1a743b5e4
commit: dfa19b11385d4cf8f0242fd93e2073e25183c331 reboot: Add hardware protection power-off
date: 2 years, 2 months ago
:::::: branch date: 21 hours ago
:::::: commit date: 2 years, 2 months ago
config: i386-allnoconfig (attached as .config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (attached as reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309040349.HLOK1O5I-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

kernel/reboot.c:215: warning: Function parameter or member 'cmd' not described in 'do_kernel_restart'
>> kernel/reboot.c:559: warning: Function parameter or member 'poweroff_delay_ms' not described in 'hw_failure_emergency_poweroff'


vim +559 kernel/reboot.c

dfa19b11385d4cf Matti Vaittinen 2021-06-03 548
dfa19b11385d4cf Matti Vaittinen 2021-06-03 549 static DECLARE_DELAYED_WORK(hw_failure_emergency_poweroff_work,
dfa19b11385d4cf Matti Vaittinen 2021-06-03 550 hw_failure_emergency_poweroff_func);
dfa19b11385d4cf Matti Vaittinen 2021-06-03 551
dfa19b11385d4cf Matti Vaittinen 2021-06-03 552 /**
dfa19b11385d4cf Matti Vaittinen 2021-06-03 553 * hw_failure_emergency_poweroff - Trigger an emergency system poweroff
dfa19b11385d4cf Matti Vaittinen 2021-06-03 554 *
dfa19b11385d4cf Matti Vaittinen 2021-06-03 555 * This may be called from any critical situation to trigger a system shutdown
dfa19b11385d4cf Matti Vaittinen 2021-06-03 556 * after a given period of time. If time is negative this is not scheduled.
dfa19b11385d4cf Matti Vaittinen 2021-06-03 557 */
dfa19b11385d4cf Matti Vaittinen 2021-06-03 558 static void hw_failure_emergency_poweroff(int poweroff_delay_ms)
dfa19b11385d4cf Matti Vaittinen 2021-06-03 @559 {
dfa19b11385d4cf Matti Vaittinen 2021-06-03 560 if (poweroff_delay_ms <= 0)
dfa19b11385d4cf Matti Vaittinen 2021-06-03 561 return;
dfa19b11385d4cf Matti Vaittinen 2021-06-03 562 schedule_delayed_work(&hw_failure_emergency_poweroff_work,
dfa19b11385d4cf Matti Vaittinen 2021-06-03 563 msecs_to_jiffies(poweroff_delay_ms));
dfa19b11385d4cf Matti Vaittinen 2021-06-03 564 }
dfa19b11385d4cf Matti Vaittinen 2021-06-03 565

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

Attachment: .config.gz
Description: application/gzip

reproduce (this is a W=1 build):
mkdir -p ~/bin
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dfa19b11385d4cf8f0242fd93e2073e25183c331
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout dfa19b11385d4cf8f0242fd93e2073e25183c331
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash