January 2025 - Kernel - mailweb.openeuler.org

[openeuler:OLK-6.6 1826/1826] 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 18 Jan '25

18 Jan '25

Hi Liu, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a5cbe5b715d9cac271b2c6175e728f0c4167f675 commit: fd855715f24e3eeadaa56de5fde21c55a14aeea0 [1826/1826] mm/mem_reliable: Fallback to dpool if reliable memory is not enough config: arm64-randconfig-r123-20250118 (https://download.01.org/0day-ci/archive/20250118/202501180715.zDIl6KOU-lkp@…) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20250118/202501180715.zDIl6KOU-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/202501180715.zDIl6KOU-lkp@intel.com/ All errors (new ones prefixed by >>): >> 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 [-Werror,-Wimplicit-function-declaration] return dynamic_pool_should_alloc(gfp_mask & ~GFP_RELIABLE, order); ^ 1 error generated. 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 1407/1407] include/linux/kernel.h:851:43: warning: comparison of distinct pointer types lacks a cast
by kernel test robot 18 Jan '25

18 Jan '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 52349611d09c6a9a2b558b3ce1cb1dca0d47dbe8 commit: 7ad207616673722d5cf52c18d9464e0d3184ffc9 [1407/1407] arp: Prevent overflow in arp_req_get(). config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20250118/202501180701.f6sYgGum-lkp@…) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250118/202501180701.f6sYgGum-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/202501180701.f6sYgGum-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/linux/list.h:9, from include/linux/module.h:10, from net/ipv4/arp.c:78: net/ipv4/arp.c: In function 'arp_req_get': >> include/linux/kernel.h:851:43: warning: comparison of distinct pointer types lacks a cast 851 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^~ include/linux/kernel.h:865:18: note: in expansion of macro '__typecheck' 865 | (__typecheck(x, y) && __no_side_effects(x, y)) | ^~~~~~~~~~~ include/linux/kernel.h:875:31: note: in expansion of macro '__safe_cmp' 875 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/kernel.h:884:25: note: in expansion of macro '__careful_cmp' 884 | #define min(x, y) __careful_cmp(x, y, <) | ^~~~~~~~~~~~~ net/ipv4/arp.c:1106:33: note: in expansion of macro 'min' 1106 | min(dev->addr_len, sizeof(r->arp_ha.sa_data))); | ^~~ net/ipv4/arp.o: warning: objtool: missing symbol for section .init.text vim +851 include/linux/kernel.h 526211bc58c4b3 Ingo Molnar 2009-03-05 837 ^1da177e4c3f41 Linus Torvalds 2005-04-16 838 /* 3c8ba0d61d04ce Kees Cook 2018-03-30 839 * min()/max()/clamp() macros must accomplish three things: 3c8ba0d61d04ce Kees Cook 2018-03-30 840 * 3c8ba0d61d04ce Kees Cook 2018-03-30 841 * - avoid multiple evaluations of the arguments (so side-effects like 3c8ba0d61d04ce Kees Cook 2018-03-30 842 * "x++" happen only once) when non-constant. 3c8ba0d61d04ce Kees Cook 2018-03-30 843 * - perform strict type-checking (to generate warnings instead of 3c8ba0d61d04ce Kees Cook 2018-03-30 844 * nasty runtime surprises). See the "unnecessary" pointer comparison 3c8ba0d61d04ce Kees Cook 2018-03-30 845 * in __typecheck(). 3c8ba0d61d04ce Kees Cook 2018-03-30 846 * - retain result as a constant expressions when called with only 3c8ba0d61d04ce Kees Cook 2018-03-30 847 * constant expressions (to avoid tripping VLA warnings in stack 3c8ba0d61d04ce Kees Cook 2018-03-30 848 * allocation usage). 3c8ba0d61d04ce Kees Cook 2018-03-30 849 */ 3c8ba0d61d04ce Kees Cook 2018-03-30 850 #define __typecheck(x, y) \ 3c8ba0d61d04ce Kees Cook 2018-03-30 @851 (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) 3c8ba0d61d04ce Kees Cook 2018-03-30 852 :::::: The code at line 851 was first introduced by commit :::::: 3c8ba0d61d04ced9f8d9ff93977995a9e4e96e91 kernel.h: Retain constant expression output for max()/min() :::::: TO: Kees Cook <keescook(a)chromium.org> :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 1826/1826] mm/mem_reliable.c:131:52: sparse: sparse: incorrect type in argument 3 (different address spaces)
by kernel test robot 18 Jan '25

18 Jan '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a5cbe5b715d9cac271b2c6175e728f0c4167f675 commit: 200321e8a69ef82350d070de35ac4a666ab79ba6 [1826/1826] mm: mem_reliable: Add limiting the usage of reliable memory config: arm64-randconfig-r123-20250118 (https://download.01.org/0day-ci/archive/20250118/202501180645.GOqTUifa-lkp@…) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20250118/202501180645.GOqTUifa-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/202501180645.GOqTUifa-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> mm/mem_reliable.c:131:52: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void * @@ got void [noderef] __user *buffer @@ mm/mem_reliable.c:131:52: sparse: expected void * mm/mem_reliable.c:131:52: sparse: got void [noderef] __user *buffer mm/mem_reliable.c:150:52: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void * @@ got void [noderef] __user *buffer @@ mm/mem_reliable.c:150:52: sparse: expected void * mm/mem_reliable.c:150:52: sparse: got void [noderef] __user *buffer mm/mem_reliable.c:172:52: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void * @@ got void [noderef] __user *buffer @@ mm/mem_reliable.c:172:52: sparse: expected void * mm/mem_reliable.c:172:52: sparse: got void [noderef] __user *buffer >> mm/mem_reliable.c:190:33: sparse: sparse: incorrect type in initializer (incompatible argument 3 (different address spaces)) @@ expected int ( [usertype] *proc_handler )( ... ) @@ got int ( * )( ... ) @@ mm/mem_reliable.c:190:33: sparse: expected int ( [usertype] *proc_handler )( ... ) mm/mem_reliable.c:190:33: sparse: got int ( * )( ... ) mm/mem_reliable.c:197:33: sparse: sparse: incorrect type in initializer (incompatible argument 3 (different address spaces)) @@ expected int ( [usertype] *proc_handler )( ... ) @@ got int ( * )( ... ) @@ mm/mem_reliable.c:197:33: sparse: expected int ( [usertype] *proc_handler )( ... ) mm/mem_reliable.c:197:33: sparse: got int ( * )( ... ) mm/mem_reliable.c:205:33: sparse: sparse: incorrect type in initializer (incompatible argument 3 (different address spaces)) @@ expected int ( [usertype] *proc_handler )( ... ) @@ got int ( * )( ... ) @@ mm/mem_reliable.c:205:33: sparse: expected int ( [usertype] *proc_handler )( ... ) mm/mem_reliable.c:205:33: sparse: got int ( * )( ... ) vim +131 mm/mem_reliable.c 123 124 static int reliable_pagecache_max_bytes_write(struct ctl_table *table, 125 int write, void __user *buffer, 126 size_t *length, loff_t *ppos) 127 { 128 unsigned long old_value = pagecache_reliable_limit; 129 int ret; 130 > 131 ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); 132 if (!ret && write) { 133 if (pagecache_reliable_limit > 134 PAGES_TO_B(total_reliable_pages())) { 135 pagecache_reliable_limit = old_value; 136 return -EINVAL; 137 } 138 } 139 140 return ret; 141 } 142 143 static int reliable_limit_handler(struct ctl_table *table, int write, 144 void __user *buffer, size_t *length, 145 loff_t *ppos) 146 { 147 unsigned long old = task_reliable_limit; 148 int ret; 149 150 ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); 151 if (!ret && write) { 152 if (task_reliable_limit > PAGES_TO_B(total_reliable_pages()) || 153 task_reliable_limit < 154 (task_reliable_used_pages() << PAGE_SHIFT)) { 155 task_reliable_limit = old; 156 return -EINVAL; 157 } 158 } 159 160 return ret; 161 } 162 163 #ifdef CONFIG_SHMEM 164 static int reliable_shmem_bytes_limit_handler(struct ctl_table *table, 165 int write, void __user *buffer, 166 size_t *length, loff_t *ppos) 167 { 168 unsigned long *data_ptr = (unsigned long *)(table->data); 169 unsigned long old = *data_ptr; 170 int ret; 171 172 ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); 173 if (!ret && write) { 174 if (*data_ptr > PAGES_TO_B(total_reliable_pages())) { 175 *data_ptr = old; 176 return -EINVAL; 177 } 178 } 179 180 return ret; 181 } 182 #endif 183 184 static struct ctl_table reliable_ctl_table[] = { 185 { 186 .procname = "reliable_pagecache_max_bytes", 187 .data = &pagecache_reliable_limit, 188 .maxlen = sizeof(pagecache_reliable_limit), 189 .mode = 0644, > 190 .proc_handler = reliable_pagecache_max_bytes_write, 191 }, 192 { 193 .procname = "task_reliable_limit", 194 .data = &task_reliable_limit, 195 .maxlen = sizeof(task_reliable_limit), 196 .mode = 0644, 197 .proc_handler = reliable_limit_handler, 198 }, 199 #ifdef CONFIG_SHMEM 200 { 201 .procname = "shmem_reliable_bytes_limit", 202 .data = &shmem_reliable_limit, 203 .maxlen = sizeof(shmem_reliable_limit), 204 .mode = 0644, 205 .proc_handler = reliable_shmem_bytes_limit_handler, 206 }, 207 #endif 208 {} 209 }; 210 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 1826/1826] kernel/sched/fair.c:146:12: warning: 'hundred_thousand' defined but not used
by kernel test robot 18 Jan '25

18 Jan '25

Hi Zhang, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a5cbe5b715d9cac271b2c6175e728f0c4167f675 commit: a3c9f2da0a35df4e41751556be4308f57bdaf3d6 [1826/1826] sched: Introduce handle priority reversion mechanism config: loongarch-randconfig-r063-20250118 (https://download.01.org/0day-ci/archive/20250118/202501180452.dWoRzgYk-lkp@…) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250118/202501180452.dWoRzgYk-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/202501180452.dWoRzgYk-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/sched/fair.c:146:12: warning: 'hundred_thousand' defined but not used [-Wunused-variable] 146 | static int hundred_thousand = 100000; | ^~~~~~~~~~~~~~~~ >> kernel/sched/fair.c:145:12: warning: 'one_thousand' defined but not used [-Wunused-variable] 145 | static int one_thousand = 1000; | ^~~~~~~~~~~~ vim +/hundred_thousand +146 kernel/sched/fair.c 139 140 static DEFINE_PER_CPU_SHARED_ALIGNED(struct list_head, qos_throttled_cfs_rq); 141 static DEFINE_PER_CPU_SHARED_ALIGNED(struct hrtimer, qos_overload_timer); 142 static DEFINE_PER_CPU(int, qos_cpu_overload); 143 unsigned int sysctl_overload_detect_period = 5000; /* in ms */ 144 unsigned int sysctl_offline_wait_interval = 100; /* in ms */ > 145 static int one_thousand = 1000; > 146 static int hundred_thousand = 100000; 147 static int unthrottle_qos_cfs_rqs(int cpu); 148 #endif 149 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 1826/1826] arch/arm64/kernel/ipi_nmi.c:39:2: error: call to undeclared function '__printk_safe_enter'; ISO C99 and later do not support implicit function declarations
by kernel test robot 18 Jan '25

18 Jan '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a5cbe5b715d9cac271b2c6175e728f0c4167f675 commit: 5e3e94b1477ca3f6cb47ae8137a4a99fe0ef6147 [1826/1826] arm64: Add non nmi ipi backtrace support config: arm64-randconfig-r123-20250118 (https://download.01.org/0day-ci/archive/20250118/202501180414.2c8NAnVD-lkp@…) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20250118/202501180414.2c8NAnVD-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/202501180414.2c8NAnVD-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/arm64/kernel/ipi_nmi.c:39:2: error: call to undeclared function '__printk_safe_enter'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] __printk_safe_enter(); ^ >> arch/arm64/kernel/ipi_nmi.c:41:2: error: call to undeclared function '__printk_safe_exit'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] __printk_safe_exit(); ^ 2 errors generated. vim +/__printk_safe_enter +39 arch/arm64/kernel/ipi_nmi.c 35 36 #ifdef CONFIG_NON_NMI_IPI_BACKTRACE 37 static void ipi_cpu_backtrace(void *info) 38 { > 39 __printk_safe_enter(); 40 nmi_cpu_backtrace(get_irq_regs()); > 41 __printk_safe_exit(); 42 } 43 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6] BUILD REGRESSION a5cbe5b715d9cac271b2c6175e728f0c4167f675
by kernel test robot 18 Jan '25

18 Jan '25

tree/branch: https://gitee.com/openeuler/kernel.git OLK-6.6 branch HEAD: a5cbe5b715d9cac271b2c6175e728f0c4167f675 !14873 [openEuler-24.03-LTS][linux-6.6.y sync] Backport 6.6.62-6.6.63 LTS Patches Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-allmodconfig | |-- block-blk-io-hierarchy-iodump.c:warning:no-previous-prototype-for-function-__bio_stage_hierarchy_start | |-- drivers-net-ethernet-huawei-hibifur-bifur_event.c:warning:no-previous-prototype-for-function-bifur_net_event_callback | |-- drivers-net-ethernet-huawei-hibifur-bifur_event.c:warning:no-previous-prototype-for-function-bifur_notify_all_vfs_link_changed | |-- drivers-net-ethernet-huawei-hibifur-bifur_event.c:warning:no-previous-prototype-for-function-bifur_notify_vf_link_status | |-- drivers-net-ethernet-huawei-hibifur-bifur_main.c:warning:no-previous-prototype-for-function-bifur_enable_disable_vf_all | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_alloc_proc_file | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_cmd_exec | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_file_write | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_free_knl_msg_buf | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_global_dev_close | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_global_dev_open | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_global_file_add | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_global_file_del | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_msg_copy_from_usr | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_msg_copy_to_usr | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_proc_write | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_dev_file_add | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_dev_file_del | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_dev_proc_build | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_dev_proc_destroy | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_proc_close | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_proc_open | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_vf_info_hold | `-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_vf_info_put |-- arm64-randconfig-r061-20250118 | `-- kernel-cgroup-cgroup.c:error:use-of-undeclared-identifier-cgroup_psi_stat_show |-- loongarch-allmodconfig | `-- drivers-irqchip-irq-loongson-eiointc.c:warning:unused-variable-cores |-- loongarch-allnoconfig | `-- drivers-irqchip-irq-loongson-eiointc.c:warning:unused-variable-cores |-- loongarch-allyesconfig | `-- drivers-irqchip-irq-loongson-eiointc.c:warning:unused-variable-cores |-- loongarch-randconfig-001-20250117 | `-- drivers-irqchip-irq-loongson-eiointc.c:warning:unused-variable-cores |-- loongarch-randconfig-002-20250117 | `-- drivers-irqchip-irq-loongson-eiointc.c:warning:unused-variable-cores |-- loongarch-randconfig-r063-20250118 | |-- arch-loongarch-kernel-smp.c:WARNING:Unsigned-expression-compared-with-zero:cpu | `-- drivers-irqchip-irq-loongson-eiointc.c:warning:unused-variable-cores |-- x86_64-allnoconfig | `-- samples-trace_events-trace_custom_sched.c:linux-version.h-not-needed. |-- x86_64-allyesconfig | |-- block-blk-io-hierarchy-iodump.c:warning:no-previous-prototype-for-function-__bio_stage_hierarchy_start | |-- drivers-net-ethernet-huawei-hibifur-bifur_event.c:warning:no-previous-prototype-for-function-bifur_net_event_callback | |-- drivers-net-ethernet-huawei-hibifur-bifur_event.c:warning:no-previous-prototype-for-function-bifur_notify_all_vfs_link_changed | |-- drivers-net-ethernet-huawei-hibifur-bifur_event.c:warning:no-previous-prototype-for-function-bifur_notify_vf_link_status | |-- drivers-net-ethernet-huawei-hibifur-bifur_main.c:warning:no-previous-prototype-for-function-bifur_enable_disable_vf_all | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_alloc_proc_file | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_cmd_exec | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_file_write | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_free_knl_msg_buf | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_global_dev_close | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_global_dev_open | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_global_file_add | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_global_file_del | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_msg_copy_from_usr | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_msg_copy_to_usr | |-- drivers-net-ethernet-huawei-hibifur-bifur_pfile.c:warning:no-previous-prototype-for-function-bifur_proc_write | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_dev_file_add | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_dev_file_del | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_dev_proc_build | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_dev_proc_destroy | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_proc_close | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_proc_open | |-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_vf_info_hold | `-- drivers-net-ethernet-huawei-hibifur-bifur_vf_mgr.c:warning:no-previous-prototype-for-function-bifur_vf_info_put `-- x86_64-randconfig-r062-20250118 |-- arch-x86-kernel-cpu-hygon.c:warning:no-previous-prototype-for-get_nt_block_copy_mini_len |-- arch-x86-kernel-cpu-hygon.c:warning:no-previous-prototype-for-set_c86_features_para_invalid `-- arch-x86-kernel-fpu-core.c:warning:no-previous-prototype-for-get_fpustate_free_space elapsed time: 918m configs tested: 19 configs skipped: 121 tested configs: arm64 allmodconfig clang-18 arm64 allnoconfig gcc-14.2.0 arm64 randconfig-001-20250117 gcc-14.2.0 arm64 randconfig-002-20250117 clang-18 arm64 randconfig-003-20250117 clang-20 arm64 randconfig-004-20250117 gcc-14.2.0 loongarch allmodconfig gcc-14.2.0 loongarch allnoconfig gcc-14.2.0 loongarch randconfig-001-20250117 gcc-14.2.0 loongarch randconfig-002-20250117 gcc-14.2.0 x86_64 allnoconfig clang-19 x86_64 allyesconfig clang-19 x86_64 buildonly-randconfig-001-20250117 gcc-12 x86_64 buildonly-randconfig-002-20250117 gcc-12 x86_64 buildonly-randconfig-003-20250117 gcc-12 x86_64 buildonly-randconfig-004-20250117 gcc-12 x86_64 buildonly-randconfig-005-20250117 gcc-12 x86_64 buildonly-randconfig-006-20250117 clang-19 x86_64 defconfig gcc-11 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-5.10 2709/2709] include/linux/blk_types.h: linux/kabi.h is included more than once.
by kernel test robot 18 Jan '25

18 Jan '25

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 08e54ea5e4a4948874ca30d91be3e5cca4ecbeec commit: dde4fe567523327d09054824030fb2d22e5009c7 [2709/2709] kabi: Add kabi reservation for storage module compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) 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/202501180245.jJrp2ix8-lkp@intel.com/ includecheck warnings: (new ones prefixed by >>) >> include/linux/blk_types.h: linux/kabi.h is included more than once. -- >> include/linux/cred.h: linux/kabi.h is included more than once. -- >> include/linux/mm.h: linux/kabi.h is included more than once. -- >> include/linux/device/class.h: linux/kabi.h is included more than once. -- >> include/linux/ioport.h: linux/kabi.h is included more than once. -- >> include/linux/swap.h: linux/kabi.h is included more than once. -- >> include/linux/device.h: linux/kabi.h is included more than once. vim +9 include/linux/blk_types.h 8 > 9 #include <linux/kabi.h> 10 #include <linux/types.h> 11 #include <linux/bvec.h> 12 #include <linux/ktime.h> > 13 #include <linux/kabi.h> 14 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS] BUILD REGRESSION 52349611d09c6a9a2b558b3ce1cb1dca0d47dbe8
by kernel test robot 18 Jan '25

18 Jan '25

tree/branch: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS branch HEAD: 52349611d09c6a9a2b558b3ce1cb1dca0d47dbe8 !9360 Add support for Hygon model 10h processors Error/Warning (recently discovered and may have been fixed): https://lore.kernel.org/oe-kbuild-all/202501171519.TpEUKk9L-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202501172158.pLxZDrP8-lkp@intel.com drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:844:41: warning: writing 8 bytes into a region of size 0 [-Wstringop-overflow=] drivers/staging/rtl8723bs/os_dep/ioctl_linux.c:3787:41: warning: writing 8 bytes into a region of size 0 [-Wstringop-overflow=] include/linux/list.h:583:14: warning: array subscript 0 is outside array bounds of 'struct plist_node[0]' [-Warray-bounds=] include/linux/mempolicy.h:329:13: warning: '__do_mbind' defined but not used [-Wunused-function] include/linux/plist.h:137:9: warning: array subscript 0 is outside array bounds of 'struct plist_node[0]' [-Warray-bounds=] include/linux/uaccess.h:115:17: warning: 'bytes' may be used uninitialized [-Wmaybe-uninitialized] include/linux/uaccess.h:115:17: warning: 'data_arg' may be used uninitialized [-Wmaybe-uninitialized] include/linux/uaccess.h:115:17: warning: 'rep' may be used uninitialized [-Wmaybe-uninitialized] include/linux/uaccess.h:115:17: warning: 'rq' may be used uninitialized [-Wmaybe-uninitialized] include/linux/uaccess.h:115:17: warning: 'rsv' may be used uninitialized [-Wmaybe-uninitialized] include/linux/uaccess.h:115:17: warning: 'version' may be used uninitialized [-Wmaybe-uninitialized] include/linux/uaccess.h:115:17: warning: 'zrange' may be used uninitialized [-Wmaybe-uninitialized] Unverified Error/Warning (likely false positive, kindly check if interested): crypto/sm4_generic.o: warning: objtool: missing symbol for section .text drivers/staging/media/zoran/videocodec.o: warning: objtool: missing symbol for section .text Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-allmodconfig | |-- block-bio-integrity.c:warning:no-previous-prototype-for-__bio_integrity_free | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-blkg-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-delta-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-now-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-q-not-described-in-blkcg_schedule_throttle | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-use_memdelay-not-described-in-blkcg_schedule_throttle | |-- block-blk-io-hierarchy-iodump.c:warning:no-previous-prototype-for-__bio_stage_hierarchy_start | |-- block-blk-iolatency.c:warning:variable-blkiolat-set-but-not-used | |-- block-blk-iolatency.c:warning:variable-changed-set-but-not-used | |-- block-blk-merge.c:warning:no-previous-prototype-for-blk_try_req_merge | |-- block-blk-mq-sched.c:warning:no-previous-prototype-for-__blk_mq_sched_dispatch_requests | |-- block-blk-wbt.c:warning:no-previous-prototype-for-wbt_issue | |-- block-blk-wbt.c:warning:no-previous-prototype-for-wbt_requeue | `-- block-genhd.c:warning:no-previous-prototype-for-disk_scan_partitions |-- arm64-allnoconfig | `-- include-linux-mempolicy.h:warning:__do_mbind-defined-but-not-used |-- arm64-randconfig-001-20250117 | |-- drivers-staging-rtl8723bs-os_dep-ioctl_cfg80211.c:warning:writing-bytes-into-a-region-of-size | `-- drivers-staging-rtl8723bs-os_dep-ioctl_linux.c:warning:writing-bytes-into-a-region-of-size |-- arm64-randconfig-002-20250117 | |-- block-bio-integrity.c:warning:no-previous-prototype-for-__bio_integrity_free | |-- block-blk-merge.c:warning:no-previous-prototype-for-blk_try_req_merge | |-- block-blk-mq-sched.c:warning:no-previous-prototype-for-__blk_mq_sched_dispatch_requests | |-- block-blk-wbt.c:warning:no-previous-prototype-for-wbt_issue | |-- block-blk-wbt.c:warning:no-previous-prototype-for-wbt_requeue | `-- block-genhd.c:warning:no-previous-prototype-for-disk_scan_partitions |-- arm64-randconfig-003-20250117 | |-- block-bio-integrity.c:warning:no-previous-prototype-for-__bio_integrity_free | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-blkg-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-delta-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-now-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-q-not-described-in-blkcg_schedule_throttle | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-use_memdelay-not-described-in-blkcg_schedule_throttle | |-- block-blk-iolatency.c:warning:variable-blkiolat-set-but-not-used | |-- block-blk-iolatency.c:warning:variable-changed-set-but-not-used | |-- block-blk-merge.c:warning:no-previous-prototype-for-blk_try_req_merge | |-- block-blk-mq-sched.c:warning:no-previous-prototype-for-__blk_mq_sched_dispatch_requests | `-- block-genhd.c:warning:no-previous-prototype-for-disk_scan_partitions |-- arm64-randconfig-004-20250117 | |-- block-bio-integrity.c:warning:no-previous-prototype-for-__bio_integrity_free | |-- block-blk-merge.c:warning:no-previous-prototype-for-blk_try_req_merge | |-- block-blk-mq-sched.c:warning:no-previous-prototype-for-__blk_mq_sched_dispatch_requests | |-- block-blk-wbt.c:warning:no-previous-prototype-for-wbt_issue | |-- block-blk-wbt.c:warning:no-previous-prototype-for-wbt_requeue | |-- block-genhd.c:warning:no-previous-prototype-for-disk_scan_partitions | |-- include-linux-list.h:warning:array-subscript-is-outside-array-bounds-of-struct-plist_node | |-- include-linux-plist.h:warning:array-subscript-is-outside-array-bounds-of-struct-plist_node | |-- include-linux-uaccess.h:warning:acc-may-be-used-uninitialized | |-- include-linux-uaccess.h:warning:bytes-may-be-used-uninitialized | |-- include-linux-uaccess.h:warning:data_arg-may-be-used-uninitialized | |-- include-linux-uaccess.h:warning:rep-may-be-used-uninitialized | |-- include-linux-uaccess.h:warning:rq-may-be-used-uninitialized | |-- include-linux-uaccess.h:warning:rsv-may-be-used-uninitialized | |-- include-linux-uaccess.h:warning:version-may-be-used-uninitialized | `-- include-linux-uaccess.h:warning:zrange-may-be-used-uninitialized |-- x86_64-allmodconfig | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-blkg-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-delta-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-now-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-q-not-described-in-blkcg_schedule_throttle | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-use_memdelay-not-described-in-blkcg_schedule_throttle | |-- block-blk-iolatency.c:warning:variable-blkiolat-set-but-not-used | |-- block-blk-iolatency.c:warning:variable-changed-set-but-not-used | `-- block-blk-mq-sched.c:warning:no-previous-prototype-for-function-__blk_mq_sched_dispatch_requests |-- x86_64-allyesconfig | |-- block-bio-integrity.c:warning:no-previous-prototype-for-function-__bio_integrity_free | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-blkg-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-delta-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-now-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-q-not-described-in-blkcg_schedule_throttle | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-use_memdelay-not-described-in-blkcg_schedule_throttle | |-- block-blk-iolatency.c:warning:variable-blkiolat-set-but-not-used | |-- block-blk-iolatency.c:warning:variable-changed-set-but-not-used | |-- block-blk-mq-sched.c:warning:no-previous-prototype-for-function-__blk_mq_sched_dispatch_requests | |-- block-blk-wbt.c:warning:no-previous-prototype-for-function-wbt_issue | |-- block-blk-wbt.c:warning:no-previous-prototype-for-function-wbt_requeue | `-- block-genhd.c:warning:no-previous-prototype-for-function-disk_scan_partitions |-- x86_64-buildonly-randconfig-001-20250117 | |-- arch-x86-kernel-hpet.o:warning:objtool:missing-symbol-for-section-.text.unlikely | |-- block-bio-integrity.c:warning:no-previous-prototype-for-__bio_integrity_free | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-blkg-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-delta-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-now-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-q-not-described-in-blkcg_schedule_throttle | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-use_memdelay-not-described-in-blkcg_schedule_throttle | |-- block-blk-merge.c:warning:no-previous-prototype-for-blk_try_req_merge | |-- block-blk-mq-sched.c:warning:no-previous-prototype-for-__blk_mq_sched_dispatch_requests | |-- block-blk-wbt.c:warning:no-previous-prototype-for-wbt_issue | |-- block-blk-wbt.c:warning:no-previous-prototype-for-wbt_requeue | `-- block-genhd.c:warning:no-previous-prototype-for-disk_scan_partitions |-- x86_64-buildonly-randconfig-002-20250117 | |-- block-bio-integrity.c:warning:no-previous-prototype-for-__bio_integrity_free | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-blkg-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-delta-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-now-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-q-not-described-in-blkcg_schedule_throttle | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-use_memdelay-not-described-in-blkcg_schedule_throttle | |-- block-blk-merge.c:warning:no-previous-prototype-for-blk_try_req_merge | |-- block-blk-mq-sched.c:warning:no-previous-prototype-for-__blk_mq_sched_dispatch_requests | |-- block-blk-rq-qos.o:warning:objtool:missing-symbol-for-section-.text | `-- block-genhd.c:warning:no-previous-prototype-for-disk_scan_partitions |-- x86_64-buildonly-randconfig-003-20250117 | |-- crypto-sm4_generic.o:warning:objtool:missing-symbol-for-section-.text | `-- net-ipv4-bpfilter-sockopt.o:warning:objtool:missing-symbol-for-section-.text |-- x86_64-buildonly-randconfig-004-20250117 | |-- drivers-pci-pcie-dpc.o:warning:objtool:missing-symbol-for-section-.init.text | |-- drivers-staging-media-zoran-videocodec.o:warning:objtool:missing-symbol-for-section-.text | |-- sound-drivers-vx-vx_core.o:warning:objtool:missing-symbol-for-section-.text | `-- sound-isa-wavefront-wavefront_fx.o:warning:objtool:missing-symbol-for-section-.text |-- x86_64-buildonly-randconfig-005-20250117 | |-- block-bio-integrity.c:warning:no-previous-prototype-for-__bio_integrity_free | |-- block-blk-merge.c:warning:no-previous-prototype-for-blk_try_req_merge | |-- block-blk-mq-sched.c:warning:no-previous-prototype-for-__blk_mq_sched_dispatch_requests | |-- block-blk-wbt.c:warning:no-previous-prototype-for-wbt_issue | |-- block-blk-wbt.c:warning:no-previous-prototype-for-wbt_requeue | `-- block-genhd.c:warning:no-previous-prototype-for-disk_scan_partitions |-- x86_64-buildonly-randconfig-006-20250117 | |-- block-bio-integrity.c:warning:no-previous-prototype-for-function-__bio_integrity_free | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-blkg-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-delta-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-now-not-described-in-blkcg_add_delay | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-q-not-described-in-blkcg_schedule_throttle | |-- block-blk-cgroup.c:warning:Function-parameter-or-member-use_memdelay-not-described-in-blkcg_schedule_throttle | |-- block-blk-mq-sched.c:warning:no-previous-prototype-for-function-__blk_mq_sched_dispatch_requests | |-- block-blk-wbt.c:warning:no-previous-prototype-for-function-wbt_issue | |-- block-blk-wbt.c:warning:no-previous-prototype-for-function-wbt_requeue | `-- block-genhd.c:warning:no-previous-prototype-for-function-disk_scan_partitions `-- x86_64-defconfig |-- block-blk-merge.c:warning:no-previous-prototype-for-blk_try_req_merge |-- block-blk-mq-sched.c:warning:no-previous-prototype-for-__blk_mq_sched_dispatch_requests `-- block-genhd.c:warning:no-previous-prototype-for-disk_scan_partitions elapsed time: 875m configs tested: 15 configs skipped: 115 tested configs: arm64 allmodconfig gcc-14.2.0 arm64 allnoconfig gcc-14.2.0 arm64 randconfig-001-20250117 gcc-14.2.0 arm64 randconfig-002-20250117 gcc-14.2.0 arm64 randconfig-003-20250117 gcc-14.2.0 arm64 randconfig-004-20250117 gcc-14.2.0 x86_64 allnoconfig clang-19 x86_64 allyesconfig clang-19 x86_64 buildonly-randconfig-001-20250117 gcc-12 x86_64 buildonly-randconfig-002-20250117 gcc-12 x86_64 buildonly-randconfig-003-20250117 gcc-12 x86_64 buildonly-randconfig-004-20250117 gcc-12 x86_64 buildonly-randconfig-005-20250117 gcc-12 x86_64 buildonly-randconfig-006-20250117 clang-19 x86_64 defconfig gcc-11 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-5.10 2709/2709] kernel/rcu/tree.o: warning: objtool: __call_rcu_nocb_wake()+0x75f: unreachable instruction
by kernel test robot 17 Jan '25

17 Jan '25

Hi Steven, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 08e54ea5e4a4948874ca30d91be3e5cca4ecbeec commit: f2c902d8c653f8021f9761092a27f7b9db42b662 [2709/2709] tracing: Make tracepoint lockdep check actually test something config: x86_64-randconfig-161-20250117 (https://download.01.org/0day-ci/archive/20250117/202501172116.SQgEKk8j-lkp@…) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250117/202501172116.SQgEKk8j-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/202501172116.SQgEKk8j-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/rcu/tree.o: warning: objtool: __call_rcu_nocb_wake()+0x75f: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS 1407/1407] include/linux/mempolicy.h:329:13: warning: '__do_mbind' defined but not used
by kernel test robot 17 Jan '25

17 Jan '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 52349611d09c6a9a2b558b3ce1cb1dca0d47dbe8 commit: 1811840c2cdebd0820818392a8217ffbd1be5c67 [1407/1407] mm/sharepool: Fix sharepool node id invalid when using sp_alloc config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20250117/202501172158.pLxZDrP8-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250117/202501172158.pLxZDrP8-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/202501172158.pLxZDrP8-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/fork.c:741:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes] 741 | void __init __weak arch_task_cache_init(void) { } | ^~~~~~~~~~~~~~~~~~~~ kernel/fork.c:826:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes] 826 | int __weak arch_dup_task_struct(struct task_struct *dst, | ^~~~~~~~~~~~~~~~~~~~ kernel/fork.c: In function 'dup_task_struct': kernel/fork.c:845:27: warning: variable 'stack_vm_area' set but not used [-Wunused-but-set-variable] 845 | struct vm_struct *stack_vm_area; | ^~~~~~~~~~~~~ In file included from include/linux/sched/signal.h:7, from include/linux/sched/cputime.h:5, from kernel/fork.c:23: include/linux/signal.h: In function 'sigemptyset': include/linux/signal.h:180:29: warning: this statement may fall through [-Wimplicit-fallthrough=] 180 | case 2: set->sig[1] = 0; | ~~~~~~~~~~~~^~~ include/linux/signal.h:181:9: note: here 181 | case 1: set->sig[0] = 0; | ^~~~ In file included from kernel/fork.c:31: include/linux/mempolicy.h: At top level: >> include/linux/mempolicy.h:329:13: warning: '__do_mbind' defined but not used [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~ In file included from arch/arm64/include/asm/atomic.h:36, from include/linux/atomic.h:7, from include/asm-generic/bitops/atomic.h:5, from arch/arm64/include/asm/bitops.h:37, from include/linux/bitops.h:19, from include/linux/kernel.h:11, from include/asm-generic/bug.h:18, from arch/arm64/include/asm/bug.h:37, from include/linux/bug.h:5, from include/linux/mmdebug.h:5, from include/linux/gfp.h:5, from include/linux/slab.h:15, from kernel/fork.c:14: In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'spin_lock' at include/linux/spinlock.h:329:2, inlined from '__mmput' at kernel/fork.c:1074:3, inlined from 'mmput_async_fn' at kernel/fork.c:1104:2: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ In file included from include/linux/spinlock.h:82, from include/linux/mmzone.h:9, from include/linux/gfp.h:6: kernel/fork.c: In function 'mmput_async_fn': kernel/fork.c:939:44: note: object 'mmlist_lock' of size 4 939 | __cacheline_aligned_in_smp DEFINE_SPINLOCK(mmlist_lock); | ^~~~~~~~~~~ include/linux/spinlock_types.h:81:44: note: in definition of macro 'DEFINE_SPINLOCK' 81 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'spin_lock' at include/linux/spinlock.h:329:2, inlined from '__mmput' at kernel/fork.c:1074:3, inlined from 'mmput_async_fn' at kernel/fork.c:1104:2: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ kernel/fork.c: In function 'mmput_async_fn': kernel/fork.c:939:44: note: object 'mmlist_lock' of size 4 939 | __cacheline_aligned_in_smp DEFINE_SPINLOCK(mmlist_lock); | ^~~~~~~~~~~ include/linux/spinlock_types.h:81:44: note: in definition of macro 'DEFINE_SPINLOCK' 81 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'spin_lock' at include/linux/spinlock.h:329:2, inlined from '__mmput' at kernel/fork.c:1074:3, inlined from 'mmput' at kernel/fork.c:1094:3, inlined from 'mmput' at kernel/fork.c:1086:6: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ kernel/fork.c: In function 'mmput': kernel/fork.c:939:44: note: object 'mmlist_lock' of size 4 939 | __cacheline_aligned_in_smp DEFINE_SPINLOCK(mmlist_lock); | ^~~~~~~~~~~ include/linux/spinlock_types.h:81:44: note: in definition of macro 'DEFINE_SPINLOCK' 81 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'spin_lock' at include/linux/spinlock.h:329:2, inlined from '__mmput' at kernel/fork.c:1074:3, inlined from 'mmput' at kernel/fork.c:1094:3, inlined from 'mmput' at kernel/fork.c:1086:6: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ kernel/fork.c: In function 'mmput': kernel/fork.c:939:44: note: object 'mmlist_lock' of size 4 939 | __cacheline_aligned_in_smp DEFINE_SPINLOCK(mmlist_lock); -- kernel/exit.c:1677:13: warning: no previous prototype for 'abort' [-Wmissing-prototypes] 1677 | __weak void abort(void) | ^~~~~ In file included from kernel/exit.c:37: >> include/linux/mempolicy.h:329:13: warning: '__do_mbind' defined but not used [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~ -- In file included from include/linux/shmem_fs.h:7, from kernel/umh.c:29: >> include/linux/mempolicy.h:329:13: warning: '__do_mbind' defined but not used [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~ In file included from arch/arm64/include/asm/atomic.h:36, from include/linux/atomic.h:7, from include/asm-generic/bitops/atomic.h:5, from arch/arm64/include/asm/bitops.h:37, from include/linux/bitops.h:19, from include/linux/kernel.h:11, from include/linux/list.h:9, from include/linux/module.h:10, from kernel/umh.c:4: In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'spin_lock' at include/linux/spinlock.h:329:2, inlined from 'proc_cap_handler' at kernel/umh.c:668:2: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ In file included from include/linux/spinlock.h:82, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/linux/stat.h:19, from include/linux/module.h:11: kernel/umh.c: In function 'proc_cap_handler': kernel/umh.c:41:24: note: object 'umh_sysctl_lock' of size 4 41 | static DEFINE_SPINLOCK(umh_sysctl_lock); | ^~~~~~~~~~~~~~~ include/linux/spinlock_types.h:81:44: note: in definition of macro 'DEFINE_SPINLOCK' 81 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'spin_lock' at include/linux/spinlock.h:329:2, inlined from 'proc_cap_handler' at kernel/umh.c:668:2: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ kernel/umh.c: In function 'proc_cap_handler': kernel/umh.c:41:24: note: object 'umh_sysctl_lock' of size 4 41 | static DEFINE_SPINLOCK(umh_sysctl_lock); | ^~~~~~~~~~~~~~~ include/linux/spinlock_types.h:81:44: note: in definition of macro 'DEFINE_SPINLOCK' 81 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'spin_lock' at include/linux/spinlock.h:329:2, inlined from 'proc_cap_handler' at kernel/umh.c:701:3: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ kernel/umh.c: In function 'proc_cap_handler': kernel/umh.c:41:24: note: object 'umh_sysctl_lock' of size 4 41 | static DEFINE_SPINLOCK(umh_sysctl_lock); | ^~~~~~~~~~~~~~~ include/linux/spinlock_types.h:81:44: note: in definition of macro 'DEFINE_SPINLOCK' 81 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'spin_lock' at include/linux/spinlock.h:329:2, inlined from 'proc_cap_handler' at kernel/umh.c:701:3: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ kernel/umh.c: In function 'proc_cap_handler': kernel/umh.c:41:24: note: object 'umh_sysctl_lock' of size 4 41 | static DEFINE_SPINLOCK(umh_sysctl_lock); | ^~~~~~~~~~~~~~~ include/linux/spinlock_types.h:81:44: note: in definition of macro 'DEFINE_SPINLOCK' 81 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, -- In file included from kernel/workqueue.c:39: >> include/linux/mempolicy.h:329:13: warning: '__do_mbind' defined but not used [-Wunused-function] 329 | static long __do_mbind(unsigned long start, unsigned long len, | ^~~~~~~~~~ In file included from arch/arm64/include/asm/atomic.h:36, from include/linux/atomic.h:7, from include/asm-generic/bitops/atomic.h:5, from arch/arm64/include/asm/bitops.h:37, from include/linux/bitops.h:19, from include/linux/kernel.h:11, from kernel/workqueue.c:28: In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'spin_lock' at include/linux/spinlock.h:329:2, inlined from 'pool_mayday_timeout' at kernel/workqueue.c:2003:2: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ In file included from include/linux/spinlock.h:82, from include/linux/ipc.h:5, from include/uapi/linux/sem.h:5, from include/linux/sem.h:5, from include/linux/sched.h:15, from kernel/workqueue.c:29: kernel/workqueue.c: In function 'pool_mayday_timeout': kernel/workqueue.c:302:24: note: object 'wq_mayday_lock' of size 4 302 | static DEFINE_SPINLOCK(wq_mayday_lock); /* protects wq->maydays list */ | ^~~~~~~~~~~~~~ include/linux/spinlock_types.h:81:44: note: in definition of macro 'DEFINE_SPINLOCK' 81 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'spin_lock' at include/linux/spinlock.h:329:2, inlined from 'pool_mayday_timeout' at kernel/workqueue.c:2003:2: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ kernel/workqueue.c: In function 'pool_mayday_timeout': kernel/workqueue.c:302:24: note: object 'wq_mayday_lock' of size 4 302 | static DEFINE_SPINLOCK(wq_mayday_lock); /* protects wq->maydays list */ | ^~~~~~~~~~~~~~ include/linux/spinlock_types.h:81:44: note: in definition of macro 'DEFINE_SPINLOCK' 81 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ kernel/workqueue.c: In function 'create_worker': kernel/workqueue.c:1887:54: warning: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size between 5 and 14 [-Wformat-truncation=] 1887 | snprintf(id_buf, sizeof(id_buf), "%d:%d%s", pool->cpu, id, | ^~ kernel/workqueue.c:1887:50: note: directive argument in the range [0, 2147483647] 1887 | snprintf(id_buf, sizeof(id_buf), "%d:%d%s", pool->cpu, id, | ^~~~~~~~~ kernel/workqueue.c:1887:17: note: 'snprintf' output between 4 and 23 bytes into a destination of size 16 1887 | snprintf(id_buf, sizeof(id_buf), "%d:%d%s", pool->cpu, id, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1888 | pool->attrs->nice < 0 ? "H" : ""); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock_irq' at include/linux/spinlock_api_smp.h:129:2, inlined from 'spin_lock_irq' at include/linux/spinlock.h:354:2, inlined from 'rescuer_thread' at kernel/workqueue.c:2461:2: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ kernel/workqueue.c: In function 'rescuer_thread': kernel/workqueue.c:302:24: note: object 'wq_mayday_lock' of size 4 302 | static DEFINE_SPINLOCK(wq_mayday_lock); /* protects wq->maydays list */ | ^~~~~~~~~~~~~~ include/linux/spinlock_types.h:81:44: note: in definition of macro 'DEFINE_SPINLOCK' 81 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock_irq' at include/linux/spinlock_api_smp.h:129:2, inlined from 'spin_lock_irq' at include/linux/spinlock.h:354:2, inlined from 'rescuer_thread' at kernel/workqueue.c:2461:2: arch/arm64/include/asm/atomic_ll_sc.h:259:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'spinlock_t[1]' {aka 'struct spinlock[1]'} [-Warray-bounds=] 259 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_ll_sc.h:283:1: note: in expansion of macro '__CMPXCHG_CASE' 283 | __CMPXCHG_CASE(w, , acq_4, , a, , "memory") | ^~~~~~~~~~~~~~ .. vim +/__do_mbind +329 include/linux/mempolicy.h 328 > 329 static long __do_mbind(unsigned long start, unsigned long len, -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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