linux-kernel - Re: [PATCH] tick: shift tick_nohz_switch_to_nohz() from tick_check_oneshot_change() to hrtimer_run

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Date: Fri, 31 May 2024 09:21:39 +0800
From: kernel test robot <lkp@...el.com>
To: Oleg Nesterov <oleg@...hat.com>, Thomas Gleixner <tglx@...utronix.de>
Cc: oe-kbuild-all@...ts.linux.dev,
	Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>,
	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tick: shift tick_nohz_switch_to_nohz() from
 tick_check_oneshot_change() to hrtimer_run_queues()

Hi Oleg,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/timers/core]
[also build test ERROR on linus/master v6.10-rc1 next-20240529]
[cannot apply to tip/timers/nohz]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Oleg-Nesterov/tick-shift-tick_nohz_switch_to_nohz-from-tick_check_oneshot_change-to-hrtimer_run_queues/20240530-204940
base:   tip/timers/core
patch link:    https://lore.kernel.org/r/20240530124203.GA26990%40redhat.com
patch subject: [PATCH] tick: shift tick_nohz_switch_to_nohz() from tick_check_oneshot_change() to hrtimer_run_queues()
config: i386-buildonly-randconfig-005-20240531 (https://download.01.org/0day-ci/archive/20240531/202405310959.9U6sUim5-lkp@intel.com/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240531/202405310959.9U6sUim5-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405310959.9U6sUim5-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: kernel/time/hrtimer.o: in function `hrtimer_run_queues':
>> hrtimer.c:(.text+0x1851): undefined reference to `tick_nohz_switch_to_nohz'

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