Hi Jesper, [auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Jesper-Dangaard-Brouer/New-bpf-cpumap-type-for-XDP_REDIRECT/20171014-061849 config: blackfin-allyesconfig (attached as .config) compiler: bfin-uclinux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=blackfin Note: the linux-review/Jesper-Dangaard-Brouer/New-bpf-cpumap-type-for-XDP_REDIRECT/20171014-061849 HEAD 000080e4de4026e29bcabecba678bc91f4a9688c builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): kernel//bpf/cpumap.c: In function '__cpu_map_entry_alloc': >> kernel//bpf/cpumap.c:242:2: error: expected ';' before 'rcpu' rcpu->kthread = kthread_create_on_node(cpu_map_kthread_run, rcpu, numa, ^~~~ At top level: kernel//bpf/cpumap.c:184:12: warning: 'cpu_map_kthread_run' defined but not used [-Wunused-function] static int cpu_map_kthread_run(void *data) ^~~~~~~~~~~~~~~~~~~ vim +242 kernel//bpf/cpumap.c 211 212 struct bpf_cpu_map_entry *__cpu_map_entry_alloc(u32 qsize, u32 cpu, int map_id) 213 { 214 gfp_t gfp = GFP_ATOMIC|__GFP_NOWARN; 215 struct bpf_cpu_map_entry *rcpu; 216 int numa, err; 217 218 /* Have map->numa_node, but choose node of redirect target CPU */ 219 numa = cpu_to_node(cpu); 220 221 rcpu = kzalloc_node(sizeof(*rcpu), gfp, numa); 222 if (!rcpu) 223 return NULL; 224 225 /* Alloc percpu bulkq */ 226 rcpu->bulkq = __alloc_percpu_gfp(sizeof(*rcpu->bulkq), 227 sizeof(void *), gfp); 228 if (!rcpu->bulkq) 229 goto free_rcu; 230 231 /* Alloc queue */ 232 rcpu->queue = kzalloc_node(sizeof(*rcpu->queue), gfp, numa); 233 if (!rcpu->queue) 234 goto free_bulkq; 235 236 err = ptr_ring_init(rcpu->queue, qsize, gfp); 237 if (err) 238 goto free_queue; 239 rcpu->qsize = qsize 240 241 /* Setup kthread */ > 242 rcpu->kthread = kthread_create_on_node(cpu_map_kthread_run, > rcpu, numa, 243 "cpumap/%d/map:%d", cpu, map_id); 244 if (IS_ERR(rcpu->kthread)) 245 goto free_ptr_ring; 246 247 get_cpu_map_entry(rcpu); /* 1-refcnt for being in cmap->cpu_map[] */ 248 get_cpu_map_entry(rcpu); /* 1-refcnt for kthread */ 249 250 /* Make sure kthread runs on a single CPU */ 251 kthread_bind(rcpu->kthread, cpu); 252 wake_up_process(rcpu->kthread); 253 254 return rcpu; 255 256 free_ptr_ring: 257 ptr_ring_cleanup(rcpu->queue, NULL); 258 free_queue: 259 kfree(rcpu->queue); 260 free_bulkq: 261 free_percpu(rcpu->bulkq); 262 free_rcu: 263 kfree(rcpu); 264 return NULL; 265 } 266 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
