Messages in this thread | | | Date | Tue, 5 May 2020 02:11:10 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH v3 1/2] timer: make deferrable cpu unbound timers really not bound to a cpu |
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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-20200501] [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: riscv-nommu_virt_defconfig (attached as .config) compiler: riscv64-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=riscv
If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@intel.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:1805:18: error: 'timer_base_deferrable' undeclared (first use in this function) 1805 | __run_timers(&timer_base_deferrable); | ^~~~~~~~~~~~~~~~~~~~~
vim +/timer_base_deferrable +847 kernel/time/timer.c
836 837 static inline struct timer_base *get_timer_cpu_base(u32 tflags, u32 cpu) 838 { 839 struct timer_base *base = per_cpu_ptr(&timer_bases[BASE_STD], cpu); 840 841 /* 842 * If the timer is deferrable and NO_HZ_COMMON is set then we need 843 * to use the deferrable base. 844 */ 845 if (IS_ENABLED(CONFIG_NO_HZ_COMMON) && (tflags & TIMER_DEFERRABLE)) { 846 #ifdef CONFIG_SMP > 847 base = &timer_base_deferrable; 848 #endif 849 if (tflags & TIMER_PINNED) 850 base = per_cpu_ptr(&timer_bases[BASE_DEF], cpu); 851 } 852 853 return base; 854 } 855
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