Hi Pavel,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.18-rc4 next-20180712]
[cannot apply to tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Pavel-Tatashin/Early-boot-time-stamps/20180712-200238
config: microblaze-mmu_defconfig (attached as .config)
compiler: microblaze-linux-gcc (GCC) 8.1.0
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
        GCC_VERSION=8.1.0 make.cross ARCH=microblaze 

All errors (new ones prefixed by >>):

   kernel/sched/clock.c: In function 'sched_clock_init':
>> kernel/sched/clock.c:440:2: error: implicit declaration of function 'generic_sched_clock_init'; did you mean 'sched_clock_init'? [-Werror=implicit-function-declaration]
     generic_sched_clock_init();
     ^~~~~~~~~~~~~~~~~~~~~~~~
     sched_clock_init
   cc1: some warnings being treated as errors

vim +440 kernel/sched/clock.c

   436	
   437	void __init sched_clock_init(void)
   438	{
   439		sched_clock_running = 1;
 > 440		generic_sched_clock_init();
   441	}
   442	

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0-DAY kernel test infrastructure                Open Source Technology Center
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