Hi Alastair, Thank you for the patch! Yet something to improve:
[auto build test ERROR on char-misc/char-misc-testing] [cannot apply to v5.4-rc5 next-20191025] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Alastair-D-Silva/Add-support-for-OpenCAPI-SCM-devices/20191028-043750 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git da80d2e516eb858eb5bcca7fa5f5a13ed86930e4 config: x86_64-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All errors (new ones prefixed by >>): drivers/nvdimm/ocxl-scm.c: In function 'scm_register_lpc_mem': >> drivers/nvdimm/ocxl-scm.c:476:16: error: implicit declaration of function >> 'of_node_to_nid'; did you mean 'zone_to_nid'? >> [-Werror=implicit-function-declaration] target_node = of_node_to_nid(scm_data->pdev->dev.of_node); ^~~~~~~~~~~~~~ zone_to_nid cc1: some warnings being treated as errors -- drivers/misc/ocxl/main.c: In function 'init_ocxl': >> drivers/misc/ocxl/main.c:12:7: error: 'tlbie_capable' undeclared (first use >> in this function); did you mean 'ptracer_capable'? if (!tlbie_capable) ^~~~~~~~~~~~~ ptracer_capable drivers/misc/ocxl/main.c:12:7: note: each undeclared identifier is reported only once for each function it appears in -- >> drivers/misc/ocxl/config.c:4:10: fatal error: asm/pnv-ocxl.h: No such file >> or directory #include <asm/pnv-ocxl.h> ^~~~~~~~~~~~~~~~ compilation terminated. -- >> drivers/misc/ocxl/file.c:9:10: fatal error: asm/reg.h: No such file or >> directory #include <asm/reg.h> ^~~~~~~~~~~ compilation terminated. -- drivers/misc/ocxl/mmio.c: In function 'ocxl_global_mmio_read32': >> drivers/misc/ocxl/mmio.c:20:10: error: implicit declaration of function >> 'readl_be'; did you mean 'readsb'? [-Werror=implicit-function-declaration] *val = readl_be((char *)afu->global_mmio_ptr + offset); ^~~~~~~~ readsb drivers/misc/ocxl/mmio.c: In function 'ocxl_global_mmio_read64': >> drivers/misc/ocxl/mmio.c:45:10: error: implicit declaration of function >> 'readq_be'; did you mean 'readsb'? [-Werror=implicit-function-declaration] *val = readq_be((char *)afu->global_mmio_ptr + offset); ^~~~~~~~ readsb drivers/misc/ocxl/mmio.c: In function 'ocxl_global_mmio_write32': >> drivers/misc/ocxl/mmio.c:70:3: error: implicit declaration of function >> 'writel_be'; did you mean 'writesb'? [-Werror=implicit-function-declaration] writel_be(val, (char *)afu->global_mmio_ptr + offset); ^~~~~~~~~ writesb drivers/misc/ocxl/mmio.c: In function 'ocxl_global_mmio_write64': >> drivers/misc/ocxl/mmio.c:96:3: error: implicit declaration of function >> 'writeq_be'; did you mean 'writesb'? [-Werror=implicit-function-declaration] writeq_be(val, (char *)afu->global_mmio_ptr + offset); ^~~~~~~~~ writesb cc1: some warnings being treated as errors -- >> drivers/misc/ocxl/link.c:7:10: fatal error: asm/copro.h: No such file or >> directory #include <asm/copro.h> ^~~~~~~~~~~~~ compilation terminated. -- drivers/misc/ocxl/context.c: In function 'ocxl_context_attach': >> drivers/misc/ocxl/context.c:82:21: error: 'mm_context_t {aka struct >> <anonymous>}' has no member named 'id' pidr = mm->context.id; ^ -- >> drivers/misc/ocxl/afu_irq.c:4:10: fatal error: asm/pnv-ocxl.h: No such file >> or directory #include <asm/pnv-ocxl.h> ^~~~~~~~~~~~~~~~ compilation terminated. -- drivers/misc/ocxl/core.c: In function 'ocxl_function_open': >> drivers/misc/ocxl/core.c:546:7: error: implicit declaration of function >> 'radix_enabled'; did you mean 'pat_enabled'? >> [-Werror=implicit-function-declaration] if (!radix_enabled()) { ^~~~~~~~~~~~~ pat_enabled cc1: some warnings being treated as errors vim +476 drivers/nvdimm/ocxl-scm.c 402 403 /** 404 * scm_register_lpc_mem() - Discover persistent memory on a device and register it with the NVDIMM subsystem 405 * @scm_data: The SCM device data 406 * Return: 0 on success 407 */ 408 static int scm_register_lpc_mem(struct scm_data *scm_data) 409 { 410 struct nd_region_desc region_desc; 411 struct nd_mapping_desc nd_mapping_desc; 412 struct resource *lpc_mem; 413 const struct ocxl_afu_config *config; 414 const struct ocxl_fn_config *fn_config; 415 int rc; 416 unsigned long nvdimm_cmd_mask = 0; 417 unsigned long nvdimm_flags = 0; 418 int target_node; 419 char serial[16+1]; 420 421 // Set up the reserved metadata area 422 rc = ocxl_afu_map_lpc_mem(scm_data->ocxl_afu); 423 if (rc < 0) 424 return rc; 425 426 lpc_mem = ocxl_afu_lpc_mem(scm_data->ocxl_afu); 427 if (lpc_mem == NULL) 428 return -EINVAL; 429 430 config = ocxl_afu_config(scm_data->ocxl_afu); 431 fn_config = ocxl_function_config(scm_data->ocxl_fn); 432 433 rc = scm_reserve_metadata(scm_data, lpc_mem); 434 if (rc) 435 return rc; 436 437 scm_data->bus_desc.attr_groups = scm_pmem_attribute_groups; 438 scm_data->bus_desc.provider_name = "scm"; 439 scm_data->bus_desc.ndctl = scm_ndctl; 440 scm_data->bus_desc.module = THIS_MODULE; 441 442 scm_data->nvdimm_bus = nvdimm_bus_register(&scm_data->dev, 443 &scm_data->bus_desc); 444 if (!scm_data->nvdimm_bus) 445 return -EINVAL; 446 447 scm_data->scm_res.start = (u64)lpc_mem->start + SCM_LABEL_AREA_SIZE; 448 scm_data->scm_res.end = (u64)lpc_mem->start + config->lpc_mem_size - 1; 449 scm_data->scm_res.name = "SCM persistent memory"; 450 451 set_bit(ND_CMD_GET_CONFIG_SIZE, &nvdimm_cmd_mask); 452 set_bit(ND_CMD_GET_CONFIG_DATA, &nvdimm_cmd_mask); 453 set_bit(ND_CMD_SET_CONFIG_DATA, &nvdimm_cmd_mask); 454 set_bit(ND_CMD_SMART, &nvdimm_cmd_mask); 455 456 set_bit(NDD_ALIASING, &nvdimm_flags); 457 458 snprintf(serial, sizeof(serial), "%llx", fn_config->serial); 459 nd_mapping_desc.nvdimm = __nvdimm_create(scm_data->nvdimm_bus, scm_data, 460 scm_dimm_attribute_groups, 461 nvdimm_flags, nvdimm_cmd_mask, 462 0, NULL, serial, &sec_ops); 463 if (!nd_mapping_desc.nvdimm) 464 return -ENOMEM; 465 466 if (nvdimm_bus_check_dimm_count(scm_data->nvdimm_bus, 1)) 467 return -EINVAL; 468 469 nd_mapping_desc.start = scm_data->scm_res.start; 470 nd_mapping_desc.size = resource_size(&scm_data->scm_res); 471 nd_mapping_desc.position = 0; 472 473 scm_data->nd_set.cookie1 = fn_config->serial + 1; // allow for empty serial 474 scm_data->nd_set.cookie2 = fn_config->serial + 1; 475 > 476 target_node = of_node_to_nid(scm_data->pdev->dev.of_node); 477 478 memset(®ion_desc, 0, sizeof(region_desc)); 479 region_desc.res = &scm_data->scm_res; 480 region_desc.attr_groups = scm_pmem_region_attribute_groups; 481 region_desc.numa_node = NUMA_NO_NODE; 482 region_desc.target_node = target_node; 483 region_desc.num_mappings = 1; 484 region_desc.mapping = &nd_mapping_desc; 485 region_desc.nd_set = &scm_data->nd_set; 486 487 set_bit(ND_REGION_PAGEMAP, ®ion_desc.flags); 488 /* 489 * NB: libnvdimm copies the data from ndr_desc into it's own 490 * structures so passing a stack pointer is fine. 491 */ 492 scm_data->nd_region = nvdimm_pmem_region_create(scm_data->nvdimm_bus, 493 ®ion_desc); 494 if (!scm_data->nd_region) 495 return -EINVAL; 496 497 dev_info(&scm_data->dev, 498 "Onlining %lluMB of persistent memory\n", 499 nd_mapping_desc.size / SZ_1M); 500 501 return 0; 502 } 503 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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