Messages in this thread | | | Date | Thu, 2 Sep 2021 15:11:25 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [rcu:dev.2021.08.25a 99/115] kernel/time/hrtimer.c:1478:7: warning: no previous prototype for '__run_hrtimer_get_debug' |
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On Fri, Sep 03, 2021 at 06:01:47AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2021.08.25a > head: 2ba1d046d9bc5b4496027d120e3ddcdfbb2fe9f4 > commit: b5d3ff1ac4a5c2cad4fe4c253029971886ff7fcf [99/115] EXP cpu: Print out last hrtimer handler
This is a debug-only commit, and will not go to mainline. Plus I am getting rid of it soon. (Famous last words...)
Thanx, Paul
> config: i386-tinyconfig (attached as .config) > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 > reproduce (this is a W=1 build): > # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=b5d3ff1ac4a5c2cad4fe4c253029971886ff7fcf > 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 b5d3ff1ac4a5c2cad4fe4c253029971886ff7fcf > # 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@intel.com> > > All warnings (new ones prefixed by >>): > > kernel/time/hrtimer.c:120:21: warning: initialized field overwritten [-Woverride-init] > 120 | [CLOCK_REALTIME] = HRTIMER_BASE_REALTIME, > | ^~~~~~~~~~~~~~~~~~~~~ > kernel/time/hrtimer.c:120:21: note: (near initialization for 'hrtimer_clock_to_base_table[0]') > kernel/time/hrtimer.c:121:22: warning: initialized field overwritten [-Woverride-init] > 121 | [CLOCK_MONOTONIC] = HRTIMER_BASE_MONOTONIC, > | ^~~~~~~~~~~~~~~~~~~~~~ > kernel/time/hrtimer.c:121:22: note: (near initialization for 'hrtimer_clock_to_base_table[1]') > kernel/time/hrtimer.c:122:21: warning: initialized field overwritten [-Woverride-init] > 122 | [CLOCK_BOOTTIME] = HRTIMER_BASE_BOOTTIME, > | ^~~~~~~~~~~~~~~~~~~~~ > kernel/time/hrtimer.c:122:21: note: (near initialization for 'hrtimer_clock_to_base_table[7]') > kernel/time/hrtimer.c:123:17: warning: initialized field overwritten [-Woverride-init] > 123 | [CLOCK_TAI] = HRTIMER_BASE_TAI, > | ^~~~~~~~~~~~~~~~ > kernel/time/hrtimer.c:123:17: note: (near initialization for 'hrtimer_clock_to_base_table[11]') > >> kernel/time/hrtimer.c:1478:7: warning: no previous prototype for '__run_hrtimer_get_debug' [-Wmissing-prototypes] > 1478 | void *__run_hrtimer_get_debug(int cpu) > | ^~~~~~~~~~~~~~~~~~~~~~~ > kernel/time/hrtimer.c: In function '__run_hrtimer': > kernel/time/hrtimer.c:1507:7: warning: variable 'expires_in_hardirq' set but not used [-Wunused-but-set-variable] > 1507 | bool expires_in_hardirq; > | ^~~~~~~~~~~~~~~~~~ > > > vim +/__run_hrtimer_get_debug +1478 kernel/time/hrtimer.c > > 1477 > > 1478 void *__run_hrtimer_get_debug(int cpu) > 1479 { > 1480 return READ_ONCE(per_cpu(__run_hrtimer_fn, cpu)); > 1481 } > 1482 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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