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Message-ID: <202005050823.NN2OCGRB%lkp@intel.com>
Date: Tue, 5 May 2020 08:08:27 +0800
From: kbuild test robot <lkp@...el.com>
To: Prasad Sodagudi <psodagud@...eaurora.org>, tglx@...utronix.de,
john.stultz@...aro.org, sboyd@...nel.org, tj@...nel.org
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
saravanak@...gle.com, psodagud@...eaurora.org,
pkondeti@...eaurora.org, Joonwoo Park <joonwoop@...eaurora.org>
Subject: Re: [PATCH v3 1/2] timer: make deferrable cpu unbound timers really
not bound to a cpu
Hi Prasad,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/timers/core]
[also build test ERROR on tip/auto-latest tip/timers/nohz v5.7-rc4 next-20200504]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Prasad-Sodagudi/timer-make-deferrable-cpu-unbound-timers-really-not-bound-to-a-cpu/20200503-025049
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 4479730e9263befbb9ce9563a09563db2acb8f7c
config: ia64-randconfig-a001-20200505 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
kernel/time/timer.c: In function 'get_timer_cpu_base':
kernel/time/timer.c:847:11: error: 'timer_base_deferrable' undeclared (first use in this function)
847 | base = &timer_base_deferrable;
| ^~~~~~~~~~~~~~~~~~~~~
kernel/time/timer.c:847:11: note: each undeclared identifier is reported only once for each function it appears in
kernel/time/timer.c: In function 'get_timer_this_cpu_base':
kernel/time/timer.c:866:11: error: 'timer_base_deferrable' undeclared (first use in this function)
866 | base = &timer_base_deferrable;
| ^~~~~~~~~~~~~~~~~~~~~
kernel/time/timer.c: In function 'run_timer_softirq':
>> kernel/time/timer.c:1803:7: error: 'tick_do_timer_cpu' undeclared (first use in this function); did you mean 'tick_dep_clear_cpu'?
1803 | if (tick_do_timer_cpu == TICK_DO_TIMER_NONE ||
| ^~~~~~~~~~~~~~~~~
| tick_dep_clear_cpu
>> kernel/time/timer.c:1803:28: error: 'TICK_DO_TIMER_NONE' undeclared (first use in this function)
1803 | if (tick_do_timer_cpu == TICK_DO_TIMER_NONE ||
| ^~~~~~~~~~~~~~~~~~
kernel/time/timer.c:1805:18: error: 'timer_base_deferrable' undeclared (first use in this function)
1805 | __run_timers(&timer_base_deferrable);
| ^~~~~~~~~~~~~~~~~~~~~
vim +1803 kernel/time/timer.c
1791
1792 /*
1793 * This function runs timers and the timer-tq in bottom half context.
1794 */
1795 static __latent_entropy void run_timer_softirq(struct softirq_action *h)
1796 {
1797 struct timer_base *base = this_cpu_ptr(&timer_bases[BASE_STD]);
1798
1799 __run_timers(base);
1800 if (IS_ENABLED(CONFIG_NO_HZ_COMMON)) {
1801 __run_timers(this_cpu_ptr(&timer_bases[BASE_DEF]));
1802 #ifdef CONFIG_SMP
> 1803 if (tick_do_timer_cpu == TICK_DO_TIMER_NONE ||
1804 tick_do_timer_cpu == smp_processor_id())
1805 __run_timers(&timer_base_deferrable);
1806 #endif
1807 }
1808 }
1809
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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