Hi Ming, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/irq/core] [also build test ERROR on next-20210818] [cannot apply to block/for-next linux/master linus/master v5.14-rc6] [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/Ming-Lei/genirq-affinity-abstract-new-API-from-managed-irq-affinity-spread/20210818-173646 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 04c2721d3530f0723b4c922a8fa9f26b202a20de config: x86_64-randconfig-c002-20210818 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/5ef5858ae062865d3941a9fc8d6ef024068b36dd git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ming-Lei/genirq-affinity-abstract-new-API-from-managed-irq-affinity-spread/20210818-173646 git checkout 5ef5858ae062865d3941a9fc8d6ef024068b36dd # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: block/blk-mq-cpumap.o: in function `blk_mq_map_queues': >> block/blk-mq-cpumap.c:24: undefined reference to `group_cpus_evenly' vim +24 block/blk-mq-cpumap.c 18 19 int blk_mq_map_queues(struct blk_mq_queue_map *qmap) 20 { 21 const struct cpumask *masks; 22 unsigned int queue, cpu; 23 > 24 masks = group_cpus_evenly(qmap->nr_queues); 25 if (!masks) 26 goto fallback; 27 28 for (queue = 0; queue < qmap->nr_queues; queue++) { 29 for_each_cpu(cpu, &masks[queue]) 30 qmap->mq_map[cpu] = qmap->queue_offset + queue; 31 } 32 kfree(masks); 33 return 0; 34 fallback: 35 for_each_possible_cpu(cpu) 36 qmap->mq_map[cpu] = qmap->queue_offset; 37 return 0; 38 } 39 EXPORT_SYMBOL_GPL(blk_mq_map_queues); 40 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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