Hi Bernard, I love your patch! Yet something to improve: [auto build test ERROR on rdma/for-next] [also build test ERROR on v5.1-rc2 next-20190326] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Bernard-Metzler/SIW-Request-for-Comments/20190326-154025 base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 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 GCC_VERSION=7.2.0 make.cross ARCH=sh All error/warnings (new ones prefixed by >>): In file included from include/asm-generic/percpu.h:7:0, from ./arch/sh/include/generated/asm/percpu.h:1, from include/linux/percpu.h:13, from include/linux/netdevice.h:36, from drivers/infiniband/sw/siw/siw_main.c:8: include/linux/percpu-defs.h:91:33: warning: '__pcpu_unique_use_cnt' initialized and declared 'extern' extern __PCPU_DUMMY_ATTRS char __pcpu_unique_##name; \ ^ include/linux/percpu-defs.h:114:2: note: in expansion of macro 'DEFINE_PER_CPU_SECTION' DEFINE_PER_CPU_SECTION(type, name, "") ^~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/sw/siw/siw_main.c:187:8: note: in expansion of macro 'DEFINE_PER_CPU' static DEFINE_PER_CPU(atomic_t, use_cnt = ATOMIC_INIT(0)); ^~~~~~~~~~~~~~ include/linux/percpu-defs.h:92:26: error: redefinition of '__pcpu_unique_use_cnt' __PCPU_DUMMY_ATTRS char __pcpu_unique_##name; \ ^ include/linux/percpu-defs.h:114:2: note: in expansion of macro 'DEFINE_PER_CPU_SECTION' DEFINE_PER_CPU_SECTION(type, name, "") ^~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/sw/siw/siw_main.c:187:8: note: in expansion of macro 'DEFINE_PER_CPU' static DEFINE_PER_CPU(atomic_t, use_cnt = ATOMIC_INIT(0)); ^~~~~~~~~~~~~~ include/linux/percpu-defs.h:91:33: note: previous definition of '__pcpu_unique_use_cnt' was here extern __PCPU_DUMMY_ATTRS char __pcpu_unique_##name; \ ^ include/linux/percpu-defs.h:114:2: note: in expansion of macro 'DEFINE_PER_CPU_SECTION' DEFINE_PER_CPU_SECTION(type, name, "") ^~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/sw/siw/siw_main.c:187:8: note: in expansion of macro 'DEFINE_PER_CPU' static DEFINE_PER_CPU(atomic_t, use_cnt = ATOMIC_INIT(0)); ^~~~~~~~~~~~~~ drivers/infiniband/sw/siw/siw_main.c:187:33: warning: 'use_cnt' initialized and declared 'extern' static DEFINE_PER_CPU(atomic_t, use_cnt = ATOMIC_INIT(0)); ^ include/linux/percpu-defs.h:93:44: note: in definition of macro 'DEFINE_PER_CPU_SECTION' extern __PCPU_ATTRS(sec) __typeof__(type) name; \ ^~~~ drivers/infiniband/sw/siw/siw_main.c:187:8: note: in expansion of macro 'DEFINE_PER_CPU' static DEFINE_PER_CPU(atomic_t, use_cnt = ATOMIC_INIT(0)); ^~~~~~~~~~~~~~ >> drivers/infiniband/sw/siw/siw_main.c:187:33: error: redefinition of 'use_cnt' static DEFINE_PER_CPU(atomic_t, use_cnt = ATOMIC_INIT(0)); ^ include/linux/percpu-defs.h:94:44: note: in definition of macro 'DEFINE_PER_CPU_SECTION' __PCPU_ATTRS(sec) __weak __typeof__(type) name ^~~~ drivers/infiniband/sw/siw/siw_main.c:187:8: note: in expansion of macro 'DEFINE_PER_CPU' static DEFINE_PER_CPU(atomic_t, use_cnt = ATOMIC_INIT(0)); ^~~~~~~~~~~~~~ drivers/infiniband/sw/siw/siw_main.c:187:33: note: previous definition of 'use_cnt' was here static DEFINE_PER_CPU(atomic_t, use_cnt = ATOMIC_INIT(0)); ^ include/linux/percpu-defs.h:93:44: note: in definition of macro 'DEFINE_PER_CPU_SECTION' extern __PCPU_ATTRS(sec) __typeof__(type) name; \ ^~~~ drivers/infiniband/sw/siw/siw_main.c:187:8: note: in expansion of macro 'DEFINE_PER_CPU' static DEFINE_PER_CPU(atomic_t, use_cnt = ATOMIC_INIT(0)); ^~~~~~~~~~~~~~ >> drivers/infiniband/sw/siw/siw_main.c:319:20: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] .alloc_ucontext = siw_alloc_ucontext, ^~~~~~~~~~~~~~~~~~ drivers/infiniband/sw/siw/siw_main.c:319:20: note: (near initialization for 'siw_device_ops.alloc_ucontext') >> drivers/infiniband/sw/siw/siw_main.c:323:3: error: 'const struct ib_device_ops' has no member named 'dealloc_driver'; did you mean 'dealloc_fmr'? .dealloc_driver = siw_device_cleanup, ^~~~~~~~~~~~~~ dealloc_fmr drivers/infiniband/sw/siw/siw_main.c:323:20: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] .dealloc_driver = siw_device_cleanup, ^~~~~~~~~~~~~~~~~~ drivers/infiniband/sw/siw/siw_main.c:323:20: note: (near initialization for 'siw_device_ops.modify_srq') drivers/infiniband/sw/siw/siw_main.c:325:22: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] .dealloc_ucontext = siw_dealloc_ucontext, ^~~~~~~~~~~~~~~~~~~~ drivers/infiniband/sw/siw/siw_main.c:325:22: note: (near initialization for 'siw_device_ops.dealloc_ucontext') In file included from drivers/infiniband/sw/siw/siw_main.c:17:0: include/rdma/ib_verbs.h:2268:3: error: 'const struct ib_device_ops' has no member named 'size_ib_ucontext'; did you mean 'alloc_ucontext'? .size_##ib_struct = \ ^ drivers/infiniband/sw/siw/siw_main.c:352:2: note: in expansion of macro 'INIT_RDMA_OBJ_SIZE' INIT_RDMA_OBJ_SIZE(ib_ucontext, siw_ucontext, base_ucontext), ^~~~~~~~~~~~~~~~~~ include/rdma/ib_verbs.h:2269:3: warning: excess elements in struct initializer (sizeof(struct drv_struct) + \ ^ drivers/infiniband/sw/siw/siw_main.c:352:2: note: in expansion of macro 'INIT_RDMA_OBJ_SIZE' INIT_RDMA_OBJ_SIZE(ib_ucontext, siw_ucontext, base_ucontext), ^~~~~~~~~~~~~~~~~~ include/rdma/ib_verbs.h:2269:3: note: (near initialization for 'siw_device_ops') (sizeof(struct drv_struct) + \ ^ drivers/infiniband/sw/siw/siw_main.c:352:2: note: in expansion of macro 'INIT_RDMA_OBJ_SIZE' INIT_RDMA_OBJ_SIZE(ib_ucontext, siw_ucontext, base_ucontext), ^~~~~~~~~~~~~~~~~~ drivers/infiniband/sw/siw/siw_main.c: In function 'siw_device_create': >> drivers/infiniband/sw/siw/siw_main.c:442:7: error: implicit declaration of function 'ib_device_set_netdev'; did you mean 'ib_device_try_get'? [-Werror=implicit-function-declaration] rv = ib_device_set_netdev(base_dev, netdev, 1); ^~~~~~~~~~~~~~~~~~~~ ib_device_try_get drivers/infiniband/sw/siw/siw_main.c: In function 'siw_netdev_event': >> drivers/infiniband/sw/siw/siw_main.c:551:13: error: implicit declaration of function 'ib_device_get_by_netdev'; did you mean 'ib_device_try_get'? [-Werror=implicit-function-declaration] base_dev = ib_device_get_by_netdev(netdev, RDMA_DRIVER_SIW); ^~~~~~~~~~~~~~~~~~~~~~~ ib_device_try_get >> drivers/infiniband/sw/siw/siw_main.c:551:11: warning: assignment makes pointer from integer without a cast [-Wint-conversion] base_dev = ib_device_get_by_netdev(netdev, RDMA_DRIVER_SIW); ^ >> drivers/infiniband/sw/siw/siw_main.c:582:3: error: implicit declaration of function 'ib_unregister_device_queued'; did you mean 'ib_unregister_device'? [-Werror=implicit-function-declaration] ib_unregister_device_queued(&sdev->base_dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ib_unregister_device drivers/infiniband/sw/siw/siw_main.c: In function 'siw_newlink': drivers/infiniband/sw/siw/siw_main.c:614:11: warning: assignment makes pointer from integer without a cast [-Wint-conversion] base_dev = ib_device_get_by_netdev(netdev, RDMA_DRIVER_SIW); ^ drivers/infiniband/sw/siw/siw_main.c: At top level: >> drivers/infiniband/sw/siw/siw_main.c:649:15: error: variable 'siw_link_ops' has initializer but incomplete type static struct rdma_link_ops siw_link_ops = { ^~~~~~~~~~~~~ >> drivers/infiniband/sw/siw/siw_main.c:650:3: error: 'struct rdma_link_ops' has no member named 'type' .type = "siw", ^~~~ >> drivers/infiniband/sw/siw/siw_main.c:650:10: warning: excess elements in struct initializer .type = "siw", ^~~~~ drivers/infiniband/sw/siw/siw_main.c:650:10: note: (near initialization for 'siw_link_ops') >> drivers/infiniband/sw/siw/siw_main.c:651:3: error: 'struct rdma_link_ops' has no member named 'newlink' .newlink = siw_newlink, ^~~~~~~ drivers/infiniband/sw/siw/siw_main.c:651:13: warning: excess elements in struct initializer .newlink = siw_newlink, ^~~~~~~~~~~ drivers/infiniband/sw/siw/siw_main.c:651:13: note: (near initialization for 'siw_link_ops') drivers/infiniband/sw/siw/siw_main.c: In function 'siw_init_module': >> drivers/infiniband/sw/siw/siw_main.c:703:2: error: implicit declaration of function 'rdma_link_register'; did you mean 'rdma_nl_register'? [-Werror=implicit-function-declaration] rdma_link_register(&siw_link_ops); ^~~~~~~~~~~~~~~~~~ rdma_nl_register drivers/infiniband/sw/siw/siw_main.c: In function 'siw_exit_module': >> drivers/infiniband/sw/siw/siw_main.c:737:2: error: implicit declaration of function 'rdma_link_unregister'; did you mean 'rdma_nl_unregister'? [-Werror=implicit-function-declaration] rdma_link_unregister(&siw_link_ops); ^~~~~~~~~~~~~~~~~~~~ rdma_nl_unregister >> drivers/infiniband/sw/siw/siw_main.c:738:2: error: implicit declaration of function 'ib_unregister_driver'; did you mean 'ib_unregister_device'? [-Werror=implicit-function-declaration] ib_unregister_driver(RDMA_DRIVER_SIW); ^~~~~~~~~~~~~~~~~~~~ ib_unregister_device drivers/infiniband/sw/siw/siw_main.c: At top level: >> drivers/infiniband/sw/siw/siw_main.c:753:24: error: expected declaration specifiers or '...' before string constant MODULE_ALIAS_RDMA_LINK("siw"); ^~~~~ >> drivers/infiniband/sw/siw/siw_main.c:649:29: error: storage size of 'siw_link_ops' isn't known static struct rdma_link_ops siw_link_ops = { ^~~~~~~~~~~~ cc1: some warnings being treated as errors -- drivers/infiniband/sw/siw/siw_verbs.c: In function 'siw_query_device': >> drivers/infiniband/sw/siw/siw_verbs.c:196:34: error: 'IB_DEVICE_ALLOW_USER_UNREG' undeclared (first use in this function); did you mean 'IB_DEVICE_SG_GAPS_REG'? IB_DEVICE_MEM_MGT_EXTENSIONS | IB_DEVICE_ALLOW_USER_UNREG; ^~~~~~~~~~~~~~~~~~~~~~~~~~ IB_DEVICE_SG_GAPS_REG drivers/infiniband/sw/siw/siw_verbs.c:196:34: note: each undeclared identifier is reported only once for each function it appears in drivers/infiniband/sw/siw/siw_verbs.c: In function 'siw_create_qp': >> drivers/infiniband/sw/siw/siw_verbs.c:479:30: error: implicit declaration of function 'rdma_udata_to_drv_context'; did you mean 'rdma_get_ucontext'? [-Werror=implicit-function-declaration] struct siw_ucontext *ctx = rdma_udata_to_drv_context( ^~~~~~~~~~~~~~~~~~~~~~~~~ rdma_get_ucontext >> drivers/infiniband/sw/siw/siw_verbs.c:480:12: error: expected expression before 'struct' udata, struct siw_ucontext, base_ucontext); ^~~~~~ drivers/infiniband/sw/siw/siw_verbs.c: In function 'siw_copy_inline_sgl': drivers/infiniband/sw/siw/siw_verbs.c:707:22: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] sqe->sge[0].laddr = (u64)kbuf; ^ drivers/infiniband/sw/siw/siw_verbs.c: In function 'siw_post_send': drivers/infiniband/sw/siw/siw_verbs.c:872:19: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] sqe->base_mr = (uint64_t)reg_wr(wr)->mr; ^ drivers/infiniband/sw/siw/siw_verbs.c: In function 'siw_create_cq': drivers/infiniband/sw/siw/siw_verbs.c:1111:12: error: expected expression before 'struct' udata, struct siw_ucontext, base_ucontext); ^~~~~~ In file included from include/linux/printk.h:331:0, from include/linux/kernel.h:14, from include/asm-generic/bug.h:18, from arch/sh/include/asm/bug.h:112, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from include/asm-generic/current.h:5, from ./arch/sh/include/generated/asm/current.h:1, from include/linux/sched.h:12, from include/linux/uaccess.h:5, from drivers/infiniband/sw/siw/siw_verbs.c:8: drivers/infiniband/sw/siw/siw_verbs.c: In function 'siw_map_mr_sg': drivers/infiniband/sw/siw/siw_verbs.c:1497:37: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] OBJ_ID(&mr->mem), i, pble->size, (void *)pble->addr, ^ include/linux/dynamic_debug.h:136:9: note: in definition of macro 'dynamic_dev_dbg' ##__VA_ARGS__); \ ^~~~~~~~~~~ drivers/infiniband/sw/siw/siw_debug.h:10:2: note: in expansion of macro 'dev_dbg' dev_dbg(&(ddev)->base_dev.dev, "cpu%2d %s: " fmt, smp_processor_id(), \ ^~~~~~~ drivers/infiniband/sw/siw/siw_verbs.c:1495:3: note: in expansion of macro 'siw_dbg' siw_dbg(mr->mem.hdr.sdev, ^~~~~~~ drivers/infiniband/sw/siw/siw_verbs.c: In function 'siw_create_srq': drivers/infiniband/sw/siw/siw_verbs.c:1608:12: error: expected expression before 'struct' udata, struct siw_ucontext, base_ucontext); ^~~~~~ cc1: some warnings being treated as errors vim +/use_cnt +187 drivers/infiniband/sw/siw/siw_main.c 9110e762 Bernard Metzler 2019-03-25 186 9110e762 Bernard Metzler 2019-03-25 @187 static DEFINE_PER_CPU(atomic_t, use_cnt = ATOMIC_INIT(0)); 9110e762 Bernard Metzler 2019-03-25 188 9110e762 Bernard Metzler 2019-03-25 189 static struct { 9110e762 Bernard Metzler 2019-03-25 190 struct cpumask **tx_valid_cpus; 9110e762 Bernard Metzler 2019-03-25 191 int num_nodes; 9110e762 Bernard Metzler 2019-03-25 192 } siw_cpu_info; 9110e762 Bernard Metzler 2019-03-25 193 9110e762 Bernard Metzler 2019-03-25 194 static int siw_init_cpulist(void) 9110e762 Bernard Metzler 2019-03-25 195 { 9110e762 Bernard Metzler 2019-03-25 196 int i, num_nodes; 9110e762 Bernard Metzler 2019-03-25 197 9110e762 Bernard Metzler 2019-03-25 198 num_nodes = num_possible_nodes(); 9110e762 Bernard Metzler 2019-03-25 199 siw_cpu_info.num_nodes = num_nodes; 9110e762 Bernard Metzler 2019-03-25 200 9110e762 Bernard Metzler 2019-03-25 201 siw_cpu_info.tx_valid_cpus = 9110e762 Bernard Metzler 2019-03-25 202 kcalloc(num_nodes, sizeof(void *), GFP_KERNEL); 9110e762 Bernard Metzler 2019-03-25 203 if (!siw_cpu_info.tx_valid_cpus) { 9110e762 Bernard Metzler 2019-03-25 204 siw_cpu_info.num_nodes = 0; 9110e762 Bernard Metzler 2019-03-25 205 return -ENOMEM; 9110e762 Bernard Metzler 2019-03-25 206 } 9110e762 Bernard Metzler 2019-03-25 207 9110e762 Bernard Metzler 2019-03-25 208 for (i = 0; i < siw_cpu_info.num_nodes; i++) { 9110e762 Bernard Metzler 2019-03-25 209 siw_cpu_info.tx_valid_cpus[i] = 9110e762 Bernard Metzler 2019-03-25 210 kzalloc(sizeof(struct cpumask), GFP_KERNEL); 9110e762 Bernard Metzler 2019-03-25 211 if (!siw_cpu_info.tx_valid_cpus[i]) 9110e762 Bernard Metzler 2019-03-25 212 goto out_err; 9110e762 Bernard Metzler 2019-03-25 213 9110e762 Bernard Metzler 2019-03-25 214 cpumask_clear(siw_cpu_info.tx_valid_cpus[i]); 9110e762 Bernard Metzler 2019-03-25 215 } 9110e762 Bernard Metzler 2019-03-25 216 for_each_possible_cpu(i) 9110e762 Bernard Metzler 2019-03-25 217 cpumask_set_cpu(i, siw_cpu_info.tx_valid_cpus[cpu_to_node(i)]); 9110e762 Bernard Metzler 2019-03-25 218 9110e762 Bernard Metzler 2019-03-25 219 return 0; 9110e762 Bernard Metzler 2019-03-25 220 9110e762 Bernard Metzler 2019-03-25 221 out_err: 9110e762 Bernard Metzler 2019-03-25 222 siw_cpu_info.num_nodes = 0; 9110e762 Bernard Metzler 2019-03-25 223 while (i) { 9110e762 Bernard Metzler 2019-03-25 224 kfree(siw_cpu_info.tx_valid_cpus[i]); 9110e762 Bernard Metzler 2019-03-25 225 siw_cpu_info.tx_valid_cpus[i--] = NULL; 9110e762 Bernard Metzler 2019-03-25 226 } 9110e762 Bernard Metzler 2019-03-25 227 kfree(siw_cpu_info.tx_valid_cpus); 9110e762 Bernard Metzler 2019-03-25 228 siw_cpu_info.tx_valid_cpus = NULL; 9110e762 Bernard Metzler 2019-03-25 229 9110e762 Bernard Metzler 2019-03-25 230 return -ENOMEM; 9110e762 Bernard Metzler 2019-03-25 231 } 9110e762 Bernard Metzler 2019-03-25 232 9110e762 Bernard Metzler 2019-03-25 233 static void siw_destroy_cpulist(void) 9110e762 Bernard Metzler 2019-03-25 234 { 9110e762 Bernard Metzler 2019-03-25 235 int i = 0; 9110e762 Bernard Metzler 2019-03-25 236 9110e762 Bernard Metzler 2019-03-25 237 while (i < siw_cpu_info.num_nodes) 9110e762 Bernard Metzler 2019-03-25 238 kfree(siw_cpu_info.tx_valid_cpus[i++]); 9110e762 Bernard Metzler 2019-03-25 239 9110e762 Bernard Metzler 2019-03-25 240 kfree(siw_cpu_info.tx_valid_cpus); 9110e762 Bernard Metzler 2019-03-25 241 } 9110e762 Bernard Metzler 2019-03-25 242 9110e762 Bernard Metzler 2019-03-25 243 /* 9110e762 Bernard Metzler 2019-03-25 244 * Choose CPU with least number of active QP's from NUMA node of 9110e762 Bernard Metzler 2019-03-25 245 * TX interface. 9110e762 Bernard Metzler 2019-03-25 246 */ 9110e762 Bernard Metzler 2019-03-25 247 int siw_get_tx_cpu(struct siw_device *sdev) 9110e762 Bernard Metzler 2019-03-25 248 { 9110e762 Bernard Metzler 2019-03-25 249 const struct cpumask *tx_cpumask; 9110e762 Bernard Metzler 2019-03-25 250 int i, num_cpus, cpu, min_use, node = sdev->numa_node, tx_cpu = -1; 9110e762 Bernard Metzler 2019-03-25 251 9110e762 Bernard Metzler 2019-03-25 252 if (node < 0) 9110e762 Bernard Metzler 2019-03-25 253 tx_cpumask = cpu_online_mask; 9110e762 Bernard Metzler 2019-03-25 254 else 9110e762 Bernard Metzler 2019-03-25 255 tx_cpumask = siw_cpu_info.tx_valid_cpus[node]; 9110e762 Bernard Metzler 2019-03-25 256 9110e762 Bernard Metzler 2019-03-25 257 num_cpus = cpumask_weight(tx_cpumask); 9110e762 Bernard Metzler 2019-03-25 258 if (!num_cpus) { 9110e762 Bernard Metzler 2019-03-25 259 /* no CPU on this NUMA node */ 9110e762 Bernard Metzler 2019-03-25 260 tx_cpumask = cpu_online_mask; 9110e762 Bernard Metzler 2019-03-25 261 num_cpus = cpumask_weight(tx_cpumask); 9110e762 Bernard Metzler 2019-03-25 262 } 9110e762 Bernard Metzler 2019-03-25 263 if (!num_cpus) 9110e762 Bernard Metzler 2019-03-25 264 goto out; 9110e762 Bernard Metzler 2019-03-25 265 9110e762 Bernard Metzler 2019-03-25 266 cpu = cpumask_first(tx_cpumask); 9110e762 Bernard Metzler 2019-03-25 267 9110e762 Bernard Metzler 2019-03-25 268 for (i = 0, min_use = SIW_MAX_QP; i < num_cpus; 9110e762 Bernard Metzler 2019-03-25 269 i++, cpu = cpumask_next(cpu, tx_cpumask)) { 9110e762 Bernard Metzler 2019-03-25 270 int usage; 9110e762 Bernard Metzler 2019-03-25 271 9110e762 Bernard Metzler 2019-03-25 272 /* Skip any cores which have no TX thread */ 9110e762 Bernard Metzler 2019-03-25 273 if (!siw_tx_thread[cpu]) 9110e762 Bernard Metzler 2019-03-25 274 continue; 9110e762 Bernard Metzler 2019-03-25 275 9110e762 Bernard Metzler 2019-03-25 276 usage = atomic_read(&per_cpu(use_cnt, cpu)); 9110e762 Bernard Metzler 2019-03-25 277 if (usage <= min_use) { 9110e762 Bernard Metzler 2019-03-25 278 tx_cpu = cpu; 9110e762 Bernard Metzler 2019-03-25 279 min_use = usage; 9110e762 Bernard Metzler 2019-03-25 280 } 9110e762 Bernard Metzler 2019-03-25 281 } 9110e762 Bernard Metzler 2019-03-25 282 siw_dbg(sdev, "tx cpu %d, node %d, %d qp's\n", tx_cpu, node, min_use); 9110e762 Bernard Metzler 2019-03-25 283 9110e762 Bernard Metzler 2019-03-25 284 out: 9110e762 Bernard Metzler 2019-03-25 285 if (tx_cpu >= 0) 9110e762 Bernard Metzler 2019-03-25 286 atomic_inc(&per_cpu(use_cnt, tx_cpu)); 9110e762 Bernard Metzler 2019-03-25 287 else 9110e762 Bernard Metzler 2019-03-25 288 pr_warn("siw: no tx cpu found\n"); 9110e762 Bernard Metzler 2019-03-25 289 9110e762 Bernard Metzler 2019-03-25 290 return tx_cpu; 9110e762 Bernard Metzler 2019-03-25 291 } 9110e762 Bernard Metzler 2019-03-25 292 9110e762 Bernard Metzler 2019-03-25 293 void siw_put_tx_cpu(int cpu) 9110e762 Bernard Metzler 2019-03-25 294 { 9110e762 Bernard Metzler 2019-03-25 295 atomic_dec(&per_cpu(use_cnt, cpu)); 9110e762 Bernard Metzler 2019-03-25 296 } 9110e762 Bernard Metzler 2019-03-25 297 9110e762 Bernard Metzler 2019-03-25 298 static void siw_verbs_sq_flush(struct ib_qp *base_qp) 9110e762 Bernard Metzler 2019-03-25 299 { 9110e762 Bernard Metzler 2019-03-25 300 struct siw_qp *qp = to_siw_qp(base_qp); 9110e762 Bernard Metzler 2019-03-25 301 9110e762 Bernard Metzler 2019-03-25 302 down_write(&qp->state_lock); 9110e762 Bernard Metzler 2019-03-25 303 siw_sq_flush(qp); 9110e762 Bernard Metzler 2019-03-25 304 up_write(&qp->state_lock); 9110e762 Bernard Metzler 2019-03-25 305 } 9110e762 Bernard Metzler 2019-03-25 306 9110e762 Bernard Metzler 2019-03-25 307 static void siw_verbs_rq_flush(struct ib_qp *base_qp) 9110e762 Bernard Metzler 2019-03-25 308 { 9110e762 Bernard Metzler 2019-03-25 309 struct siw_qp *qp = to_siw_qp(base_qp); 9110e762 Bernard Metzler 2019-03-25 310 9110e762 Bernard Metzler 2019-03-25 311 down_write(&qp->state_lock); 9110e762 Bernard Metzler 2019-03-25 312 siw_rq_flush(qp); 9110e762 Bernard Metzler 2019-03-25 313 up_write(&qp->state_lock); 9110e762 Bernard Metzler 2019-03-25 314 } 9110e762 Bernard Metzler 2019-03-25 315 9110e762 Bernard Metzler 2019-03-25 316 static const struct ib_device_ops siw_device_ops = { 9110e762 Bernard Metzler 2019-03-25 317 .alloc_mr = siw_alloc_mr, 9110e762 Bernard Metzler 2019-03-25 318 .alloc_pd = siw_alloc_pd, 9110e762 Bernard Metzler 2019-03-25 @319 .alloc_ucontext = siw_alloc_ucontext, 9110e762 Bernard Metzler 2019-03-25 320 .create_cq = siw_create_cq, 9110e762 Bernard Metzler 2019-03-25 321 .create_qp = siw_create_qp, 9110e762 Bernard Metzler 2019-03-25 322 .create_srq = siw_create_srq, 9110e762 Bernard Metzler 2019-03-25 @323 .dealloc_driver = siw_device_cleanup, 9110e762 Bernard Metzler 2019-03-25 324 .dealloc_pd = siw_dealloc_pd, 9110e762 Bernard Metzler 2019-03-25 325 .dealloc_ucontext = siw_dealloc_ucontext, 9110e762 Bernard Metzler 2019-03-25 326 .dereg_mr = siw_dereg_mr, 9110e762 Bernard Metzler 2019-03-25 327 .destroy_cq = siw_destroy_cq, 9110e762 Bernard Metzler 2019-03-25 328 .destroy_qp = siw_destroy_qp, 9110e762 Bernard Metzler 2019-03-25 329 .destroy_srq = siw_destroy_srq, 9110e762 Bernard Metzler 2019-03-25 330 .drain_rq = siw_verbs_rq_flush, 9110e762 Bernard Metzler 2019-03-25 331 .drain_sq = siw_verbs_sq_flush, 9110e762 Bernard Metzler 2019-03-25 332 .get_dma_mr = siw_get_dma_mr, 9110e762 Bernard Metzler 2019-03-25 333 .get_port_immutable = siw_get_port_immutable, 9110e762 Bernard Metzler 2019-03-25 334 .map_mr_sg = siw_map_mr_sg, 9110e762 Bernard Metzler 2019-03-25 335 .mmap = siw_mmap, 9110e762 Bernard Metzler 2019-03-25 336 .modify_qp = siw_verbs_modify_qp, 9110e762 Bernard Metzler 2019-03-25 337 .modify_srq = siw_modify_srq, 9110e762 Bernard Metzler 2019-03-25 338 .poll_cq = siw_poll_cq, 9110e762 Bernard Metzler 2019-03-25 339 .post_recv = siw_post_receive, 9110e762 Bernard Metzler 2019-03-25 340 .post_send = siw_post_send, 9110e762 Bernard Metzler 2019-03-25 341 .post_srq_recv = siw_post_srq_recv, 9110e762 Bernard Metzler 2019-03-25 342 .query_device = siw_query_device, 9110e762 Bernard Metzler 2019-03-25 343 .query_gid = siw_query_gid, 9110e762 Bernard Metzler 2019-03-25 344 .query_pkey = siw_query_pkey, 9110e762 Bernard Metzler 2019-03-25 345 .query_port = siw_query_port, 9110e762 Bernard Metzler 2019-03-25 346 .query_qp = siw_query_qp, 9110e762 Bernard Metzler 2019-03-25 347 .query_srq = siw_query_srq, 9110e762 Bernard Metzler 2019-03-25 348 .req_notify_cq = siw_req_notify_cq, 9110e762 Bernard Metzler 2019-03-25 349 .reg_user_mr = siw_reg_user_mr, 9110e762 Bernard Metzler 2019-03-25 350 9110e762 Bernard Metzler 2019-03-25 351 INIT_RDMA_OBJ_SIZE(ib_pd, siw_pd, base_pd), 9110e762 Bernard Metzler 2019-03-25 @352 INIT_RDMA_OBJ_SIZE(ib_ucontext, siw_ucontext, base_ucontext), 9110e762 Bernard Metzler 2019-03-25 353 }; 9110e762 Bernard Metzler 2019-03-25 354 :::::: The code at line 187 was first introduced by commit :::::: 9110e762c07e32d0cf9e86b7417bd1d6d7a07b97 SIW network and RDMA core interface :::::: TO: Bernard Metzler <bmt@xxxxxxxxxxxxxx> :::::: CC: 0day robot <lkp@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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