Hi "zhaoyan.liao", Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/x86/core] [also build test ERROR on v5.13 next-20210701] [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] url: https://github.com/0day-ci/linux/commits/zhaoyan-liao/use-64bit-timer-for-hpet/20210702-161515 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 2c88d45edbb89029c1190bb3b136d2602f057c98 config: i386-randconfig-c021-20210628 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/905ed014f601086571e608c13b14319c2f56a95c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review zhaoyan-liao/use-64bit-timer-for-hpet/20210702-161515 git checkout 905ed014f601086571e608c13b14319c2f56a95c # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arch/x86/kernel/hpet.c: In function 'hpet_readq': >> arch/x86/kernel/hpet.c:88:9: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration] 88 | return readq(hpet_virt_address + a); | ^~~~~ | readl arch/x86/kernel/hpet.c: In function 'hpet_writeq': >> arch/x86/kernel/hpet.c:93:2: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration] 93 | writeq(d, hpet_virt_address + a); | ^~~~~~ | writel cc1: some warnings being treated as errors vim +88 arch/x86/kernel/hpet.c 85 86 inline unsigned long hpet_readq(unsigned int a) 87 { > 88 return readq(hpet_virt_address + a); 89 } 90 91 static inline void hpet_writeq(unsigned long d, unsigned int a) 92 { > 93 writeq(d, hpet_virt_address + a); 94 } 95 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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