Hi Huaixin, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tip/sched/core] [also build test WARNING on tip/master linux/master linus/master v5.11-rc4 next-20210120] [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/Huaixin-Chang/sched-fair-Introduce-primitives-for-CFS-bandwidth-burst/20210120-212731 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 65bcf072e20ed7597caa902f170f293662b0af3c config: c6x-randconfig-r035-20210120 (attached as .config) compiler: c6x-elf-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 # https://github.com/0day-ci/linux/commit/a62cc8421988be29990ad86e33e877fb8776f8bd git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Huaixin-Chang/sched-fair-Introduce-primitives-for-CFS-bandwidth-burst/20210120-212731 git checkout a62cc8421988be29990ad86e33e877fb8776f8bd # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): >> kernel/sched/fair.c:4623:6: warning: no previous prototype for >> '__refill_cfs_bandwidth_runtime' [-Wmissing-prototypes] 4623 | void __refill_cfs_bandwidth_runtime(struct cfs_bandwidth *cfs_b, u64 overrun) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/__refill_cfs_bandwidth_runtime +4623 kernel/sched/fair.c 4615 4616 /* 4617 * Replenish runtime according to assigned quota. We use sched_clock_cpu 4618 * directly instead of rq->clock to avoid adding additional synchronization 4619 * around rq->lock. 4620 * 4621 * requires cfs_b->lock 4622 */ > 4623 void __refill_cfs_bandwidth_runtime(struct cfs_bandwidth *cfs_b, u64 > overrun) 4624 { 4625 u64 refill; 4626 4627 if (cfs_b->quota != RUNTIME_INF) { 4628 4629 if (!sysctl_sched_cfs_bw_burst_enabled) { 4630 cfs_b->runtime = cfs_b->quota; 4631 return; 4632 } 4633 4634 overrun = min(overrun, cfs_b->max_overrun); 4635 refill = cfs_b->quota * overrun; 4636 cfs_b->runtime += refill; 4637 cfs_b->runtime = min(cfs_b->runtime, cfs_b->buffer); 4638 } 4639 } 4640 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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