Hi Huacai, [auto build test ERROR on linus/master] [also build test ERROR on v4.14-rc5 next-20171018] [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/Huacai-Chen/dma-mapping-Rework-dma_get_cache_alignment/20171020-050317 config: um-allyesconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=um All errors (new ones prefixed by >>): drivers/scsi/libsas/sas_expander.c: In function 'sas_ex_phy_discover': >> drivers/scsi/libsas/sas_expander.c:410:10: error: implicit declaration of function 'dma_get_cache_alignment' [-Werror=implicit-function-declaration] align = dma_get_cache_alignment(&dev->phy->dev); ^~~~~~~~~~~~~~~~~~~~~~~ Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:atomic_set Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:set_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64 Cyclomatic Complexity 1 arch/x86/include/uapi/asm/swab.h:__arch_swab64 Cyclomatic Complexity 1 include/uapi/linux/swab.h:__fswab16 Cyclomatic Complexity 1 include/uapi/linux/swab.h:__fswab64 Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64 Cyclomatic Complexity 1 include/linux/list.h:INIT_LIST_HEAD Cyclomatic Complexity 2 include/linux/list.h:__list_add Cyclomatic Complexity 1 include/linux/list.h:list_add_tail Cyclomatic Complexity 1 include/linux/list.h:__list_del Cyclomatic Complexity 2 include/linux/list.h:__list_del_entry Cyclomatic Complexity 1 include/linux/list.h:list_del Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order Cyclomatic Complexity 1 include/linux/spinlock.h:spinlock_check Cyclomatic Complexity 1 include/linux/spinlock.h:spin_lock_irq Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock_irq Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock_irqrestore Cyclomatic Complexity 1 include/linux/refcount.h:refcount_set Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index Cyclomatic Complexity 68 include/linux/slab.h:kmalloc_large Cyclomatic Complexity 5 include/linux/slab.h:kmalloc Cyclomatic Complexity 1 include/linux/slab.h:kzalloc Cyclomatic Complexity 1 include/linux/kref.h:kref_init Cyclomatic Complexity 1 include/linux/kref.h:kref_get Cyclomatic Complexity 2 include/linux/kref.h:kref_put Cyclomatic Complexity 1 include/scsi/scsi.h:scsi_to_u32 Cyclomatic Complexity 1 include/scsi/sas_ata.h:dev_is_sata Cyclomatic Complexity 5 drivers/scsi/libsas/sas_internal.h:sas_fill_in_rphy Cyclomatic Complexity 2 drivers/scsi/libsas/sas_internal.h:sas_add_parent_port Cyclomatic Complexity 2 drivers/scsi/libsas/sas_internal.h:sas_alloc_device Cyclomatic Complexity 1 drivers/scsi/libsas/sas_internal.h:sas_put_device Cyclomatic Complexity 2 drivers/scsi/libsas/sas_expander.c:alloc_smp_req Cyclomatic Complexity 1 drivers/scsi/libsas/sas_expander.c:alloc_smp_resp Cyclomatic Complexity 5 drivers/scsi/libsas/sas_expander.c:sas_route_char Cyclomatic Complexity 4 drivers/scsi/libsas/sas_expander.c:to_dev_type Cyclomatic Complexity 4 drivers/scsi/libsas/sas_expander.c:dev_type_flutter Cyclomatic Complexity 3 drivers/scsi/libsas/sas_expander.c:sas_print_parent_topology_bug Cyclomatic Complexity 17 drivers/scsi/libsas/sas_expander.c:smp_execute_task_sg Cyclomatic Complexity 1 drivers/scsi/libsas/sas_expander.c:smp_execute_task Cyclomatic Complexity 21 drivers/scsi/libsas/sas_expander.c:sas_configure_present Cyclomatic Complexity 4 drivers/scsi/libsas/sas_expander.c:sas_get_phy_discover Cyclomatic Complexity 3 drivers/scsi/libsas/sas_expander.c:sas_get_phy_change_count Cyclomatic Complexity 6 drivers/scsi/libsas/sas_expander.c:sas_find_bcast_phy Cyclomatic Complexity 6 drivers/scsi/libsas/sas_expander.c:sas_get_ex_change_count Cyclomatic Complexity 2 drivers/scsi/libsas/sas_expander.c:smp_task_timedout Cyclomatic Complexity 2 drivers/scsi/libsas/sas_expander.c:smp_task_done Cyclomatic Complexity 4 drivers/scsi/libsas/sas_expander.c:ex_assign_report_general Cyclomatic Complexity 22 drivers/scsi/libsas/sas_expander.c:sas_check_eeds Cyclomatic Complexity 23 drivers/scsi/libsas/sas_expander.c:sas_check_parent_topology Cyclomatic Complexity 11 drivers/scsi/libsas/sas_expander.c:sas_configure_set Cyclomatic Complexity 3 drivers/scsi/libsas/sas_expander.c:sas_configure_phy Cyclomatic Complexity 11 drivers/scsi/libsas/sas_expander.c:sas_configure_parent Cyclomatic Complexity 2 drivers/scsi/libsas/sas_expander.c:sas_configure_routing Cyclomatic Complexity 2 drivers/scsi/libsas/sas_expander.c:sas_disable_routing Cyclomatic Complexity 5 drivers/scsi/libsas/sas_expander.c:sas_find_sub_addr Cyclomatic Complexity 4 drivers/scsi/libsas/sas_expander.c:sas_get_phy_attached_dev Cyclomatic Complexity 35 drivers/scsi/libsas/sas_expander.c:sas_set_ex_phy Cyclomatic Complexity 3 drivers/scsi/libsas/sas_expander.c:sas_ex_phy_discover_helper Cyclomatic Complexity 10 drivers/scsi/libsas/sas_expander.c:sas_ex_general Cyclomatic Complexity 3 drivers/scsi/libsas/sas_expander.c:ex_assign_manuf_info Cyclomatic Complexity 7 drivers/scsi/libsas/sas_expander.c:sas_ex_manuf_info Cyclomatic Complexity 6 drivers/scsi/libsas/sas_expander.c:sas_ex_get_linkrate Cyclomatic Complexity 5 drivers/scsi/libsas/sas_expander.c:sas_ex_join_wide_port Cyclomatic Complexity 10 drivers/scsi/libsas/sas_expander.c:sas_dev_present_in_domain Cyclomatic Complexity 12 drivers/scsi/libsas/sas_expander.c:sas_ex_discover_end_dev Cyclomatic Complexity 6 drivers/scsi/libsas/sas_expander.c:sas_unregister_ex_tree Cyclomatic Complexity 12 drivers/scsi/libsas/sas_expander.c:sas_unregister_devs_sas_addr Cyclomatic Complexity 10 drivers/scsi/libsas/sas_expander.c:sas_find_bcast_dev Cyclomatic Complexity 5 drivers/scsi/libsas/sas_expander.c:sas_ex_to_ata Cyclomatic Complexity 7 drivers/scsi/libsas/sas_expander.c:sas_ex_phy_discover Cyclomatic Complexity 3 drivers/scsi/libsas/sas_expander.c:sas_expander_discover Cyclomatic Complexity 4 drivers/scsi/libsas/sas_expander.c:sas_smp_phy_control Cyclomatic Complexity 1 drivers/scsi/libsas/sas_expander.c:sas_ex_disable_phy Cyclomatic Complexity 13 drivers/scsi/libsas/sas_expander.c:sas_check_ex_subtractive_boundary Cyclomatic Complexity 7 drivers/scsi/libsas/sas_expander.c:sas_discover_expander Cyclomatic Complexity 9 drivers/scsi/libsas/sas_expander.c:sas_ex_discover_expander Cyclomatic Complexity 6 drivers/scsi/libsas/sas_expander.c:sas_ex_disable_port Cyclomatic Complexity 14 drivers/scsi/libsas/sas_expander.c:sas_check_level_subtractive_boundary Cyclomatic Complexity 40 drivers/scsi/libsas/sas_expander.c:sas_ex_discover_dev Cyclomatic Complexity 7 drivers/scsi/libsas/sas_expander.c:sas_ex_discover_devices Cyclomatic Complexity 8 drivers/scsi/libsas/sas_expander.c:sas_ex_level_discovery Cyclomatic Complexity 2 drivers/scsi/libsas/sas_expander.c:sas_ex_bfs_disc Cyclomatic Complexity 8 drivers/scsi/libsas/sas_expander.c:sas_discover_bfs_by_root_level Cyclomatic Complexity 4 drivers/scsi/libsas/sas_expander.c:sas_discover_bfs_by_root Cyclomatic Complexity 12 drivers/scsi/libsas/sas_expander.c:sas_discover_new Cyclomatic Complexity 22 drivers/scsi/libsas/sas_expander.c:sas_rediscover_dev Cyclomatic Complexity 9 drivers/scsi/libsas/sas_expander.c:sas_rediscover Cyclomatic Complexity 5 drivers/scsi/libsas/sas_expander.c:sas_smp_get_phy_events Cyclomatic Complexity 4 drivers/scsi/libsas/sas_expander.c:sas_discover_root_expander Cyclomatic Complexity 5 drivers/scsi/libsas/sas_expander.c:sas_ex_revalidate_domain Cyclomatic Complexity 7 drivers/scsi/libsas/sas_expander.c:sas_smp_handler Cyclomatic Complexity 1 drivers/scsi/libsas/sas_expander.c:_GLOBAL__sub_I_65535_0_sas_ex_to_ata cc1: some warnings being treated as errors vim +/dma_get_cache_alignment +410 drivers/scsi/libsas/sas_expander.c 402 403 int sas_ex_phy_discover(struct domain_device *dev, int single) 404 { 405 struct expander_device *ex = &dev->ex_dev; 406 int res = 0, align; 407 u8 *disc_req; 408 u8 *disc_resp; 409 > 410 align = dma_get_cache_alignment(&dev->phy->dev); 411 412 disc_req = alloc_smp_req(DISCOVER_REQ_SIZE, align); 413 if (!disc_req) 414 return -ENOMEM; 415 416 disc_resp = alloc_smp_resp(DISCOVER_RESP_SIZE, align); 417 if (!disc_resp) { 418 kfree(disc_req); 419 return -ENOMEM; 420 } 421 422 disc_req[1] = SMP_DISCOVER; 423 424 if (0 <= single && single < ex->num_phys) { 425 res = sas_ex_phy_discover_helper(dev, disc_req, disc_resp, single); 426 } else { 427 int i; 428 429 for (i = 0; i < ex->num_phys; i++) { 430 res = sas_ex_phy_discover_helper(dev, disc_req, 431 disc_resp, i); 432 if (res) 433 goto out_err; 434 } 435 } 436 out_err: 437 kfree(disc_resp); 438 kfree(disc_req); 439 return res; 440 } 441 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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