Messages in this thread | | | Date | Fri, 3 Sep 2021 07:00:01 +0800 | From | kernel test robot <> | Subject | [rcu:dev.2021.08.25a 98/115] kernel/time/hrtimer.c:1631:6: warning: no previous prototype for function 'hrtimer_interrupt_get_debug' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2021.08.25a head: 2ba1d046d9bc5b4496027d120e3ddcdfbb2fe9f4 commit: cf9fcdcca72481c55d41aa2fbe276a79db5f62ec [98/115] EXP cpu: Print out hrtimer_interrupt() information config: hexagon-randconfig-r041-20210903 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c9948e9254fbb6ea00f66c7b4542311d21e060be) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=cf9fcdcca72481c55d41aa2fbe276a79db5f62ec git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git git fetch --no-tags rcu dev.2021.08.25a git checkout cf9fcdcca72481c55d41aa2fbe276a79db5f62ec # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=hexagon
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
kernel/time/hrtimer.c:120:21: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] [CLOCK_REALTIME] = HRTIMER_BASE_REALTIME, ^~~~~~~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:118:27: note: previous initialization is here [0 ... MAX_CLOCKS - 1] = HRTIMER_MAX_CLOCK_BASES, ^~~~~~~~~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:121:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] [CLOCK_MONOTONIC] = HRTIMER_BASE_MONOTONIC, ^~~~~~~~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:118:27: note: previous initialization is here [0 ... MAX_CLOCKS - 1] = HRTIMER_MAX_CLOCK_BASES, ^~~~~~~~~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:122:21: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] [CLOCK_BOOTTIME] = HRTIMER_BASE_BOOTTIME, ^~~~~~~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:118:27: note: previous initialization is here [0 ... MAX_CLOCKS - 1] = HRTIMER_MAX_CLOCK_BASES, ^~~~~~~~~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:123:17: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] [CLOCK_TAI] = HRTIMER_BASE_TAI, ^~~~~~~~~~~~~~~~ kernel/time/hrtimer.c:118:27: note: previous initialization is here [0 ... MAX_CLOCKS - 1] = HRTIMER_MAX_CLOCK_BASES, ^~~~~~~~~~~~~~~~~~~~~~~ >> kernel/time/hrtimer.c:1631:6: warning: no previous prototype for function 'hrtimer_interrupt_get_debug' [-Wmissing-prototypes] void hrtimer_interrupt_get_debug(int cpu, unsigned short *nr_hangs, ktime_t *delta) ^ kernel/time/hrtimer.c:1631:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void hrtimer_interrupt_get_debug(int cpu, unsigned short *nr_hangs, ktime_t *delta) ^ static kernel/time/hrtimer.c:147:20: warning: unused function 'is_migration_base' [-Wunused-function] static inline bool is_migration_base(struct hrtimer_clock_base *base) ^ kernel/time/hrtimer.c:1734:20: warning: unused function '__hrtimer_peek_ahead_timers' [-Wunused-function] static inline void __hrtimer_peek_ahead_timers(void) ^ 7 warnings generated.
vim +/hrtimer_interrupt_get_debug +1631 kernel/time/hrtimer.c
1630 > 1631 void hrtimer_interrupt_get_debug(int cpu, unsigned short *nr_hangs, ktime_t *delta) 1632 { 1633 *nr_hangs = READ_ONCE(per_cpu(hrtimer_bases, cpu).nr_hangs); 1634 *delta = READ_ONCE(per_cpu(hrtimer_interrupt_delta, cpu)); 1635 } 1636
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