Messages in this thread | | | Date | Wed, 27 May 2020 18:05:32 +0800 | From | kbuild test robot <> | Subject | [tip:WIP.sched/core 6/9] kernel//sched/core.c:2299:6: warning: no previous prototype for 'send_call_function_single_ipi' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.sched/core head: 68a1740c687d4a75b9e9dea0ab0aae61f167c880 commit: 516bf252eeb5d316895d83a5bcbe9d5668c5d41c [6/9] smp: Optimize send_call_function_single_ipi() config: mips-maltaup_defconfig (attached as .config) compiler: mipsel-linux-gcc (GCC) 9.3.0 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 git checkout 516bf252eeb5d316895d83a5bcbe9d5668c5d41c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
kernel//sched/core.c:2116:6: warning: no previous prototype for 'sched_set_stop_task' [-Wmissing-prototypes] 2116 | void sched_set_stop_task(int cpu, struct task_struct *stop) | ^~~~~~~~~~~~~~~~~~~ >> kernel//sched/core.c:2299:6: warning: no previous prototype for 'send_call_function_single_ipi' [-Wmissing-prototypes] 2299 | void send_call_function_single_ipi(int cpu) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/send_call_function_single_ipi +2299 kernel//sched/core.c
2298 > 2299 void send_call_function_single_ipi(int cpu) 2300 { 2301 struct rq *rq = cpu_rq(cpu); 2302 2303 if (!set_nr_if_polling(rq->idle)) 2304 arch_send_call_function_single_ipi(cpu); 2305 else 2306 trace_sched_wake_idle_without_ipi(cpu); 2307 } 2308
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