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[openeuler:OLK-6.6 3482/3482] kernel/xsched/vstream.c:94:18: sparse: sparse: symbol 'xcu_find' was not declared. Should it be static?
by kernel test robot 08 Dec '25

08 Dec '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 4b48fa45408a2757255bdd0c640c1f693b424fe4 commit: 8dde1f2e6bf6049bf69c9f510349c698e0aba49d [3482/3482] xsched: Introduce vstream management config: arm64-randconfig-r111-20251206 (https://download.01.org/0day-ci/archive/20251208/202512080518.RsQU37Pq-lkp@…) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251208/202512080518.RsQU37Pq-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512080518.RsQU37Pq-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> kernel/xsched/vstream.c:94:18: sparse: sparse: symbol 'xcu_find' was not declared. Should it be static? vim +/xcu_find +94 kernel/xsched/vstream.c 93 > 94 struct xsched_cu *xcu_find(uint32_t type, 95 uint32_t dev_id, uint32_t channel_id) 96 { 97 struct xcu_group *group = NULL; 98 99 /* Find xcu by type. */ 100 group = xcu_group_find(xcu_group_root, type); 101 if (group == NULL) { 102 XSCHED_ERR("Fail to find type group.\n"); 103 return NULL; 104 } 105 106 /* Find device id group. */ 107 group = xcu_group_find(group, dev_id); 108 if (group == NULL) { 109 XSCHED_ERR("Fail to find device group.\n"); 110 return NULL; 111 } 112 /* Find channel id group. */ 113 group = xcu_group_find(group, channel_id); 114 if (group == NULL) { 115 XSCHED_ERR("Fail to find channel group.\n"); 116 return NULL; 117 } 118 119 XSCHED_DEBUG("XCU found: type=%u, dev_id=%u, chan_id=%u.\n", 120 type, dev_id, channel_id); 121 122 return group->xcu; 123 } 124 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3482/3482] drivers/xcu/xcu_group.c:41:5: sparse: sparse: symbol '__xcu_group_attach' was not declared. Should it be static?
by kernel test robot 08 Dec '25

08 Dec '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 4b48fa45408a2757255bdd0c640c1f693b424fe4 commit: b7261a251299bfdababe53a848084af2ecfcc1ae [3482/3482] xcu: Add base NPU driver support config: arm64-randconfig-r111-20251206 (https://download.01.org/0day-ci/archive/20251208/202512080408.Kma3SOA7-lkp@…) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251208/202512080408.Kma3SOA7-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512080408.Kma3SOA7-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/xcu/xcu_group.c:25:18: sparse: sparse: symbol 'xsched_cu_mgr' was not declared. Should it be static? >> drivers/xcu/xcu_group.c:41:5: sparse: sparse: symbol '__xcu_group_attach' was not declared. Should it be static? vim +/__xcu_group_attach +41 drivers/xcu/xcu_group.c 40 > 41 int __xcu_group_attach(struct xcu_group *new_group, 42 struct xcu_group *previous_group) 43 { 44 int id = new_group->id; 45 46 if (id == -1) 47 id = idr_alloc(&previous_group->next_layer, new_group, 0, 48 INT_MAX, GFP_KERNEL); 49 else 50 id = idr_alloc(&previous_group->next_layer, new_group, id, 51 id + 1, GFP_KERNEL); 52 53 if (id < 0) { 54 XSCHED_ERR("Fail to attach xcu_group: id conflict @ %s\n", 55 __func__); 56 return -EEXIST; 57 } 58 new_group->id = id; 59 new_group->previous_layer = previous_group; 60 61 return 0; 62 } 63 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3482/3482] drivers/misc/zcopy/zcopy.c:621:51: sparse: sparse: incorrect type in argument 2 (different address spaces)
by kernel test robot 08 Dec '25

08 Dec '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 4b48fa45408a2757255bdd0c640c1f693b424fe4 commit: 0305a09f222b7b94b01e478948f09ef95e9afda2 [3482/3482] zcopy: Introduce the pageattach interface config: arm64-randconfig-r111-20251206 (https://download.01.org/0day-ci/archive/20251208/202512080059.AtMf7DsU-lkp@…) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251208/202512080059.AtMf7DsU-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512080059.AtMf7DsU-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/misc/zcopy/zcopy.c:621:51: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void * @@ drivers/misc/zcopy/zcopy.c:621:51: sparse: expected void const [noderef] __user *from drivers/misc/zcopy/zcopy.c:621:51: sparse: got void * vim +621 drivers/misc/zcopy/zcopy.c 611 612 static long zcopy_ioctl(struct file *file, unsigned int type, unsigned long ptr) 613 { 614 long ret = 0; 615 616 switch (type) { 617 case IO_ATTACH: 618 { 619 struct zcopy_ioctl_pswap ctx; 620 > 621 if (copy_from_user((void *)&ctx, (void *)ptr, 622 sizeof(struct zcopy_ioctl_pswap))) { 623 ret = -EFAULT; 624 break; 625 } 626 ret = attach_pages(ctx.dst_addr, ctx.src_addr, ctx.dst_pid, 627 ctx.src_pid, ctx.size); 628 break; 629 } 630 default: 631 break; 632 } 633 634 return ret; 635 } 636 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3482/3482] drivers/crypto/ccp/hygon/ccp-mdev.c:243:23: sparse: sparse: cast to restricted __le32
by kernel test robot 07 Dec '25

07 Dec '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 4b48fa45408a2757255bdd0c640c1f693b424fe4 commit: 592817a30ddc0ef43c7f5b5fe906ae37cf3bea3b [3482/3482] crypto: ccp: add ccp-mdev functionality to the ccp module. config: arm64-randconfig-r111-20251206 (https://download.01.org/0day-ci/archive/20251207/202512071819.8VAvTIH6-lkp@…) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251207/202512071819.8VAvTIH6-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512071819.8VAvTIH6-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/crypto/ccp/hygon/ccp-mdev.c:243:23: sparse: sparse: cast to restricted __le32 >> drivers/crypto/ccp/hygon/ccp-mdev.c:1144:13: sparse: sparse: symbol 'ccp_pin_memory' was not declared. Should it be static? vim +243 drivers/crypto/ccp/hygon/ccp-mdev.c 239 240 static int handle_pci_cfg_write(struct mdev_state *mdev_state, u16 offset, 241 u8 *buf, u32 count) 242 { > 243 u32 tmp_val = le32_to_cpu(*(u32 *)buf); 244 struct pci_dev *pdev = NULL; 245 int ret = -EINVAL; 246 247 if (!mdev_state || !mdev_state->iommu) { 248 pr_err("ccp: invalid mdev_state.\n"); 249 return ret; 250 } 251 252 pdev = mdev_state->iommu->pdev; 253 254 if (count == 1) 255 ret = pci_user_write_config_byte(pdev, offset, tmp_val); 256 else if (count == 2) 257 ret = pci_user_write_config_word(pdev, offset, tmp_val); 258 else if (count == 4) 259 ret = pci_user_write_config_dword(pdev, offset, tmp_val); 260 261 return ret; 262 } 263 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3482/3482] drivers/firmware/ubios_uvb/odf/odf_get_fdt.c:29:54: sparse: sparse: incorrect type in argument 1 (different base types)
by kernel test robot 07 Dec '25

07 Dec '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 4b48fa45408a2757255bdd0c640c1f693b424fe4 commit: c477b8f076e2b3385ad93a517136b0066a691813 [3482/3482] ubios_uvb: support CIS framework receive function config: arm64-randconfig-r111-20251206 (https://download.01.org/0day-ci/archive/20251207/202512071326.3J4mASYn-lkp@…) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251207/202512071326.3J4mASYn-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512071326.3J4mASYn-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/firmware/ubios_uvb/odf/odf_get_fdt.c:29:54: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted __be32 const [usertype] *p @@ got unsigned int const [usertype] * @@ drivers/firmware/ubios_uvb/odf/odf_get_fdt.c:29:54: sparse: expected restricted __be32 const [usertype] *p drivers/firmware/ubios_uvb/odf/odf_get_fdt.c:29:54: sparse: got unsigned int const [usertype] * -- >> drivers/firmware/ubios_uvb/odf/odf_trans.c:28:6: sparse: sparse: symbol 'free_cis_info' was not declared. Should it be static? -- >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:23:1: sparse: sparse: symbol 'cis_register_lock' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:26:6: sparse: sparse: symbol 'ubios_prepare_output_data' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:45:5: sparse: sparse: symbol 'get_cis_group_info' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:87:22: sparse: sparse: symbol 'search_local_cis_func_node' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:163:31: sparse: sparse: symbol 'uvb_occupy_window' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:225:6: sparse: sparse: symbol 'uvb_free_wd_obtain' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:233:5: sparse: sparse: symbol 'uvb_free_window' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:298:5: sparse: sparse: symbol 'uvb_fill_window' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:323:5: sparse: sparse: symbol 'uvb_poll_window_call' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:345:5: sparse: sparse: symbol 'uvb_poll_window_call_sync' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:362:5: sparse: sparse: symbol 'uvb_get_output_data' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:384:6: sparse: sparse: symbol 'free_io_param_with_buffer' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:394:5: sparse: sparse: symbol 'cis_call_uvb' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_info_process.c:465:5: sparse: sparse: symbol 'cis_call_uvb_sync' was not declared. Should it be static? -- >> drivers/firmware/ubios_uvb/cis/uvb_info_process.c:129:6: sparse: sparse: symbol 'search_local_receiver_id' was not declared. Should it be static? -- >> drivers/firmware/ubios_uvb/cis/cis_core.c:25:5: sparse: sparse: symbol 'create_uvb_poll_window_thread' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_core.c:38:6: sparse: sparse: symbol 'uvb_poll_window_thread_stop' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_core.c:86:5: sparse: sparse: symbol 'init_uvb' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_core.c:111:5: sparse: sparse: symbol 'init_global_vars' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_core.c:120:5: sparse: sparse: symbol 'init_cis_table' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_core.c:130:6: sparse: sparse: symbol 'free_global_vars' was not declared. Should it be static? >> drivers/firmware/ubios_uvb/cis/cis_core.c:136:6: sparse: sparse: symbol 'uninit_uvb' was not declared. Should it be static? vim +29 drivers/firmware/ubios_uvb/odf/odf_get_fdt.c 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 13 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 14 int odf_get_fdt_ubiostbl(u64 *phys_addr, char *tbl) 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 15 { 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 16 int node, len; 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 17 const void *prop; 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 18 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 19 node = fdt_path_offset(initial_boot_params, "/chosen"); 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 20 if (node < 0) { 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 21 pr_err("failed to get device tree chosen node\n"); 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 22 return -EINVAL; 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 23 } 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 24 prop = fdt_getprop(initial_boot_params, node, tbl, &len); 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 25 if (!prop) { 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 26 pr_err("failed to get property\n"); 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 27 return -EINVAL; 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 28 } 9c3097dcbec30d drivers/ubios_uvb/odf/odf_get_fdt.c Anonymous_Z 2025-11-04 @29 *phys_addr = (len == 4) ? (u64)be32_to_cpup((const u32 *)prop) : :::::: The code at line 29 was first introduced by commit :::::: 9c3097dcbec30da54bc5082cb3236b300770993d ubios_uvb: support parse ubios information by dtb :::::: TO: Anonymous_Z <zhangrui182(a)huawei.com> :::::: CC: t30009442 <tangce1(a)huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3482/3482] arch/arm64/kernel/virtcca_cvm_guest.c:77:16: sparse: sparse: symbol 'cvm_spin_cpumask' was not declared. Should it be static?
by kernel test robot 07 Dec '25

07 Dec '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 4b48fa45408a2757255bdd0c640c1f693b424fe4 commit: da1164d1b52edbba7cf637423e626b0647388b23 [3482/3482] Add IPI direct inject method for virtCCA CVM. config: arm64-randconfig-r111-20251206 (https://download.01.org/0day-ci/archive/20251207/202512070750.e8G4R9UF-lkp@…) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251207/202512070750.e8G4R9UF-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512070750.e8G4R9UF-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) arch/arm64/kernel/virtcca_cvm_guest.c:23:1: sparse: sparse: symbol 'cvm_tsi_present' was not declared. Should it be static? >> arch/arm64/kernel/virtcca_cvm_guest.c:77:16: sparse: sparse: symbol 'cvm_spin_cpumask' was not declared. Should it be static? arch/arm64/kernel/virtcca_cvm_guest.c:87:16: sparse: sparse: context imbalance in 'soft_ipi_passthrough_store' - wrong count at exit vim +/cvm_spin_cpumask +77 arch/arm64/kernel/virtcca_cvm_guest.c 76 > 77 struct cpumask cvm_spin_cpumask; 78 static DEFINE_SPINLOCK(ipi_passthrough_lock); 79 DEFINE_PER_CPU(unsigned int, virtcca_unpark_idle_notify); 80 DEFINE_PER_CPU(unsigned int, virtcca_park_idle_state); 81 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3482/3482] drivers/infiniband/core/ib_core_cq_poll.c:92:6: sparse: sparse: symbol 'cq_polling' was not declared. Should it be static?
by kernel test robot 07 Dec '25

07 Dec '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 4b48fa45408a2757255bdd0c640c1f693b424fe4 commit: 11fa263277520b886a650fadf4f719a2878229d0 [3482/3482] Add poll method for nfs for virtCCA CVM. config: arm64-randconfig-r111-20251206 (https://download.01.org/0day-ci/archive/20251207/202512070445.EtOKa4Nl-lkp@…) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251207/202512070445.EtOKa4Nl-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512070445.EtOKa4Nl-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/infiniband/core/ib_core_cq_poll.c:92:6: sparse: sparse: symbol 'cq_polling' was not declared. Should it be static? >> drivers/infiniband/core/ib_core_cq_poll.c:123:6: sparse: sparse: symbol 'wakeup_and_poll' was not declared. Should it be static? >> drivers/infiniband/core/ib_core_cq_poll.c:147:5: sparse: sparse: symbol 'polling_awaken_thread' was not declared. Should it be static? vim +/cq_polling +92 drivers/infiniband/core/ib_core_cq_poll.c 91 > 92 void cq_polling(void *data) 93 { 94 void *cq; 95 int completed = 0; 96 unsigned long flags; 97 u64 time_interval; 98 ktime_t start_time_stamp, end_time_stamp; 99 struct cq_poll_node *poll_node_entry, *poll_node_next; 100 101 spin_lock_irqsave(&cq_list_lock, flags); 102 list_for_each_entry_safe(poll_node_entry, poll_node_next, 103 &ib_cq_poll_list, list) { 104 cq = poll_node_entry->cq; 105 if (!cq) { 106 WARN_ONCE(1, "got NULL CQ 0x%p in poll list\n", cq); 107 continue; 108 } 109 start_time_stamp = ktime_get(); 110 completed = ib_poll_cq_thread(cq); 111 end_time_stamp = ktime_get(); 112 if (ib_cq_polling_kthread.debug_cq_poll_stat && completed) { 113 time_interval = ktime_to_ns(ktime_sub(end_time_stamp, start_time_stamp)); 114 poll_node_entry->time_used_ns += time_interval; 115 poll_node_entry->poll_cq_cnt++; 116 if (poll_node_entry->max_time_ns < time_interval) 117 poll_node_entry->max_time_ns = time_interval; 118 } 119 } 120 spin_unlock_irqrestore(&cq_list_lock, flags); 121 } 122 > 123 void wakeup_and_poll(struct task_struct *awakened_thread) 124 { 125 wake_up_process(awakened_thread); 126 127 cq_polling(NULL); 128 } 129 130 int polling_thread(void *data) 131 { 132 while (true) { 133 if (ib_cq_polling_kthread.use_polling_kthread) 134 wakeup_and_poll(waker_polling_thread); 135 136 set_current_state(TASK_INTERRUPTIBLE); 137 if (unlikely(kthread_should_stop())) { 138 set_current_state(TASK_RUNNING); 139 break; 140 } 141 schedule(); 142 } 143 144 return 0; 145 } 146 > 147 int polling_awaken_thread(void *data) 148 { 149 while (true) { 150 if (ib_cq_polling_kthread.use_polling_kthread) 151 wakeup_and_poll(poll_cq_thread); 152 153 set_current_state(TASK_INTERRUPTIBLE); 154 if (unlikely(kthread_should_stop())) { 155 set_current_state(TASK_RUNNING); 156 break; 157 } 158 schedule(); 159 } 160 161 return 0; 162 } 163 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1939/1939] block/blk-io-hierarchy/iodump.c:571:7: warning: no previous prototype for '__bio_stage_hierarchy_start'
by kernel test robot 07 Dec '25

07 Dec '25

Hi Yu, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5bd996476c86f9b6d2039f9ab662f38d64fa6c70 commit: ac91631e9ef7b530c02e40d10085072c08fb4a0a [1939/1939] blk-io-hierarchy: support new stage for bio lifetime config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251207/202512070135.dz9cuKSc-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251207/202512070135.dz9cuKSc-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512070135.dz9cuKSc-lkp@intel.com/ All warnings (new ones prefixed by >>): >> block/blk-io-hierarchy/iodump.c:571:7: warning: no previous prototype for '__bio_stage_hierarchy_start' [-Wmissing-prototypes] 571 | void *__bio_stage_hierarchy_start(struct bio_stage_dump_data *bstage_ddata, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/asm-generic/preempt.h:5, from ./arch/arm64/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/wait.h:9, from include/linux/wait_bit.h:8, from include/linux/fs.h:7, from include/linux/seq_file.h:11, from block/blk-io-hierarchy/iodump.c:14: In function 'check_object_size', inlined from 'check_copy_size' at include/linux/thread_info.h:90:2, inlined from 'copy_from_user' at include/linux/uaccess.h:143:6, inlined from 'threshold_store' at block/blk-io-hierarchy/iodump.c:273:6: include/linux/thread_info.h:59:17: warning: 'b' may be used uninitialized [-Wmaybe-uninitialized] 59 | __check_object_size(ptr, n, to_user); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/thread_info.h: In function 'threshold_store': include/linux/thread_info.h:52:13: note: by argument 1 of type 'const void *' to '__check_object_size' declared here 52 | extern void __check_object_size(const void *ptr, unsigned long n, | ^~~~~~~~~~~~~~~~~~~ block/blk-io-hierarchy/iodump.c:267:14: note: 'b' declared here 267 | char b[MAX_BUF_LEN + 1]; | ^ vim +/__bio_stage_hierarchy_start +571 block/blk-io-hierarchy/iodump.c 570 > 571 void *__bio_stage_hierarchy_start(struct bio_stage_dump_data *bstage_ddata, 572 loff_t *pos) 573 { 574 struct pos_data *pdata = &bstage_ddata->pdata; 575 struct rq_dump_data *rq_ddata = &bstage_ddata->rq_ddata; 576 577 retry: 578 if (stage_is_bio(pdata->stage)) { 579 struct list_head *list; 580 struct bio_dump_data *bio_ddata = 581 get_bio_stage_ddata(rq_ddata->q, pdata->stage); 582 583 if (!bio_ddata) { 584 bio_stage_start_next_stage(bstage_ddata, pos); 585 goto retry; 586 } 587 588 spin_lock_irq(&bio_ddata->lock); 589 list = seq_list_start(&bio_ddata->head, pdata->count); 590 if (list) 591 return list; 592 593 spin_unlock_irq(&bio_ddata->lock); 594 bio_stage_start_next_stage(bstage_ddata, pos); 595 goto retry; 596 } 597 598 if (pdata->stage == STAGE_BIO && 599 __rq_hierarchy_start(rq_ddata, pdata->count)) 600 return bstage_ddata; 601 602 return NULL; 603 } 604 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3482/3482] mm/page_alloc.c:4110:9: error: call to undeclared function 'dynamic_pool_should_alloc'; ISO C99 and later do not support implicit function declarations
by kernel test robot 06 Dec '25

06 Dec '25

Hi Liu, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 4b48fa45408a2757255bdd0c640c1f693b424fe4 commit: fd855715f24e3eeadaa56de5fde21c55a14aeea0 [3482/3482] mm/mem_reliable: Fallback to dpool if reliable memory is not enough config: arm64-randconfig-r111-20251206 (https://download.01.org/0day-ci/archive/20251206/202512062342.w7DAW6VJ-lkp@…) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251206/202512062342.w7DAW6VJ-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512062342.w7DAW6VJ-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from mm/page_alloc.c:19: In file included from include/linux/mm.h:2204: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from mm/page_alloc.c:43: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ mm/page_alloc.c:2769:2: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 2769 | __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events' 135 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ mm/page_alloc.c:2886:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 2886 | __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events' 135 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ >> mm/page_alloc.c:4110:9: error: call to undeclared function 'dynamic_pool_should_alloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 4110 | return dynamic_pool_should_alloc(gfp_mask & ~GFP_RELIABLE, order); | ^ mm/page_alloc.c:4596:2: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 4596 | __count_zid_vm_events(PGALLOC, zone_idx(zone), nr_account); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events' 135 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ 10 warnings and 1 error generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PGP_PRELOAD Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=n] Selected by [y]: - PGP_PRELOAD_PUBLIC_KEYS [=y] && CRYPTO [=y] vim +/dynamic_pool_should_alloc +4110 mm/page_alloc.c 4101 4102 static inline bool mem_reliable_fallback_dpool(gfp_t gfp_mask, unsigned int order) 4103 { 4104 if (!reliable_allow_fb_enabled()) 4105 return false; 4106 4107 if (!(gfp_mask & GFP_RELIABLE)) 4108 return false; 4109 > 4110 return dynamic_pool_should_alloc(gfp_mask & ~GFP_RELIABLE, order); 4111 } 4112 #else 4113 static inline struct zone *mem_reliable_fallback_zone(gfp_t gfp_mask, 4114 struct alloc_context *ac) 4115 { 4116 return NULL; 4117 } 4118 static inline void mem_reliable_fallback_slowpath(gfp_t gfp_mask, 4119 struct alloc_context *ac) {} 4120 static inline bool mem_reliable_fallback_dpool(gfp_t gfp_mask, unsigned int order) 4121 { 4122 return false; 4123 } 4124 #endif 4125 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1939/1939] include/linux/thread_info.h:59:17: warning: 'b' may be used uninitialized
by kernel test robot 06 Dec '25

06 Dec '25

Hi Yu, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5bd996476c86f9b6d2039f9ab662f38d64fa6c70 commit: b9f356e64a7eda411ba8b63df9d4c5e204f16025 [1939/1939] block-io-hierarchy: core hierarchy iodump implementation config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251206/202512062131.Gw3xo6cX-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251206/202512062131.Gw3xo6cX-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512062131.Gw3xo6cX-lkp@intel.com/ Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): In file included from include/asm-generic/preempt.h:5, from ./arch/arm64/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/wait.h:9, from include/linux/wait_bit.h:8, from include/linux/fs.h:7, from include/linux/seq_file.h:11, from block/blk-io-hierarchy/iodump.c:14: In function 'check_object_size', inlined from 'check_copy_size' at include/linux/thread_info.h:90:2, inlined from 'copy_from_user' at include/linux/uaccess.h:143:6, inlined from 'threshold_store' at block/blk-io-hierarchy/iodump.c:240:6: >> include/linux/thread_info.h:59:17: warning: 'b' may be used uninitialized [-Wmaybe-uninitialized] 59 | __check_object_size(ptr, n, to_user); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/thread_info.h: In function 'threshold_store': include/linux/thread_info.h:52:13: note: by argument 1 of type 'const void *' to '__check_object_size' declared here 52 | extern void __check_object_size(const void *ptr, unsigned long n, | ^~~~~~~~~~~~~~~~~~~ block/blk-io-hierarchy/iodump.c:234:14: note: 'b' declared here 234 | char b[MAX_BUF_LEN + 1]; | ^ vim +/b +59 include/linux/thread_info.h 0f60a8efe4005a Kees Cook 2016-07-12 50 f5509cc18daa7f Kees Cook 2016-06-07 51 #ifdef CONFIG_HARDENED_USERCOPY f5509cc18daa7f Kees Cook 2016-06-07 52 extern void __check_object_size(const void *ptr, unsigned long n, f5509cc18daa7f Kees Cook 2016-06-07 53 bool to_user); f5509cc18daa7f Kees Cook 2016-06-07 54 a85d6b8242dc78 Kees Cook 2016-09-07 55 static __always_inline void check_object_size(const void *ptr, unsigned long n, f5509cc18daa7f Kees Cook 2016-06-07 56 bool to_user) f5509cc18daa7f Kees Cook 2016-06-07 57 { 81409e9e280588 Kees Cook 2016-08-31 58 if (!__builtin_constant_p(n)) f5509cc18daa7f Kees Cook 2016-06-07 @59 __check_object_size(ptr, n, to_user); f5509cc18daa7f Kees Cook 2016-06-07 60 } f5509cc18daa7f Kees Cook 2016-06-07 61 #else f5509cc18daa7f Kees Cook 2016-06-07 62 static inline void check_object_size(const void *ptr, unsigned long n, f5509cc18daa7f Kees Cook 2016-06-07 63 bool to_user) f5509cc18daa7f Kees Cook 2016-06-07 64 { } f5509cc18daa7f Kees Cook 2016-06-07 65 #endif /* CONFIG_HARDENED_USERCOPY */ f5509cc18daa7f Kees Cook 2016-06-07 66 :::::: The code at line 59 was first introduced by commit :::::: f5509cc18daa7f82bcc553be70df2117c8eedc16 mm: Hardened usercopy :::::: TO: Kees Cook <keescook(a)chromium.org> :::::: CC: Kees Cook <keescook(a)chromium.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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