Re: [PATCH v3] include: linux: Reorganize timekeeping and ktime headers

From: kernel test robot
Date: Thu Jul 22 2021 - 14:41:36 EST

Hi Carlos,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tip/timers/core]
[also build test WARNING on kvmarm/next abelloni/rtc-next sound/for-next soc/for-next linus/master tip/x86/core v5.14-rc2 next-20210722]
[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]

base: 2d0a9eb23ccfdf11308bec6db0bc007585d919d2
config: x86_64-randconfig-a011-20210722 (attached as .config)
compiler: clang version 13.0.0 ( 9625ca5b602616b2f5584e8a49ba93c52c141e40)
reproduce (this is a W=1 build):
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git remote add linux-review
git fetch --no-tags linux-review Carlos-Bilbao/include-linux-Reorganize-timekeeping-and-ktime-headers/20210722-233301
git checkout e35011219261f218feeaea55c97d4d583d9747a9
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/rtc.c:148:5: warning: no previous prototype for function 'update_persistent_clock64' [-Wmissing-prototypes]
int update_persistent_clock64(struct timespec64 now)
arch/x86/kernel/rtc.c:148:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int update_persistent_clock64(struct timespec64 now)
>> arch/x86/kernel/rtc.c:154:6: warning: no previous prototype for function 'read_persistent_clock64' [-Wmissing-prototypes]
void read_persistent_clock64(struct timespec64 *ts)
arch/x86/kernel/rtc.c:154:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void read_persistent_clock64(struct timespec64 *ts)
2 warnings generated.

vim +/update_persistent_clock64 +148 arch/x86/kernel/rtc.c

fe599f9fbc5d47 Thomas Gleixner 2008-01-30 147
e27c49291a7fe9 Arnd Bergmann 2018-04-27 @148 int update_persistent_clock64(struct timespec64 now)
fe599f9fbc5d47 Thomas Gleixner 2008-01-30 149 {
3565184ed0c1ea David Vrabel 2013-05-13 150 return x86_platform.set_wallclock(&now);
fe599f9fbc5d47 Thomas Gleixner 2008-01-30 151 }
fe599f9fbc5d47 Thomas Gleixner 2008-01-30 152
fe599f9fbc5d47 Thomas Gleixner 2008-01-30 153 /* not static: needed by APM */
e27c49291a7fe9 Arnd Bergmann 2018-04-27 @154 void read_persistent_clock64(struct timespec64 *ts)
fe599f9fbc5d47 Thomas Gleixner 2008-01-30 155 {
3565184ed0c1ea David Vrabel 2013-05-13 156 x86_platform.get_wallclock(ts);
fe599f9fbc5d47 Thomas Gleixner 2008-01-30 157 }
fe599f9fbc5d47 Thomas Gleixner 2008-01-30 158

0-DAY CI Kernel Test Service, Intel Corporation

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