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[openeuler:OLK-6.6 2679/2679] kernel/bpf-rvi/common_kfuncs.c:200:17: warning: no previous prototype for function 'bpf_hugetlb_report_meminfo'
by kernel test robot 15 Aug '25

15 Aug '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 54d96ebb93c9ff0573fe16586a47778ebe26de32 commit: edd6acd9af851644d1673be6bebb16269c67e018 [2679/2679] bpf-rvi: Add bpf_hugetlb_report_meminfo kfunc config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250815/202508152019.hrE0RxXn-lkp@…) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508152019.hrE0RxXn-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/202508152019.hrE0RxXn-lkp@intel.com/ All warnings (new ones prefixed by >>): | ^ | static kernel/bpf-rvi/common_kfuncs.c:104:18: warning: no previous prototype for function 'bpf_seq_file_append' [-Wmissing-prototypes] 104 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ kernel/bpf-rvi/common_kfuncs.c:104:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 104 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ | static kernel/bpf-rvi/common_kfuncs.c:118:18: warning: no previous prototype for function 'bpf_get_boottime_timens' [-Wmissing-prototypes] 118 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ kernel/bpf-rvi/common_kfuncs.c:118:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 118 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ | static kernel/bpf-rvi/common_kfuncs.c:124:27: warning: no previous prototype for function 'bpf_get_total_forks' [-Wmissing-prototypes] 124 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ kernel/bpf-rvi/common_kfuncs.c:124:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 124 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:129:26: warning: no previous prototype for function 'bpf_nr_running' [-Wmissing-prototypes] 129 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ kernel/bpf-rvi/common_kfuncs.c:129:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 129 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:134:32: warning: no previous prototype for function 'bpf_nr_context_switches' [-Wmissing-prototypes] 134 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ kernel/bpf-rvi/common_kfuncs.c:134:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 134 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:139:26: warning: no previous prototype for function 'bpf_nr_iowait' [-Wmissing-prototypes] 139 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ kernel/bpf-rvi/common_kfuncs.c:139:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 139 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:145:26: warning: no previous prototype for function 'bpf_kstat_softirqs_cpu' [-Wmissing-prototypes] 145 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:145:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 145 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:150:27: warning: no previous prototype for function 'bpf_kstat_cpu_irqs_sum' [-Wmissing-prototypes] 150 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:150:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 150 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:155:18: warning: no previous prototype for function 'bpf_kcpustat_cpu_fetch' [-Wmissing-prototypes] 155 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:155:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 155 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:164:27: warning: no previous prototype for function 'bpf_mem_file_hugepage' [-Wmissing-prototypes] 164 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^ kernel/bpf-rvi/common_kfuncs.c:164:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 164 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:169:27: warning: no previous prototype for function 'bpf_mem_file_pmdmapped' [-Wmissing-prototypes] 169 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^ kernel/bpf-rvi/common_kfuncs.c:169:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 169 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:174:27: warning: no previous prototype for function 'bpf_mem_kreclaimable' [-Wmissing-prototypes] 174 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^ kernel/bpf-rvi/common_kfuncs.c:174:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 174 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:180:27: warning: no previous prototype for function 'bpf_mem_totalcma' [-Wmissing-prototypes] 180 | __bpf_kfunc unsigned long bpf_mem_totalcma(void) | ^ kernel/bpf-rvi/common_kfuncs.c:180:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 180 | __bpf_kfunc unsigned long bpf_mem_totalcma(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:185:27: warning: no previous prototype for function 'bpf_mem_freecma' [-Wmissing-prototypes] 185 | __bpf_kfunc unsigned long bpf_mem_freecma(void) | ^ kernel/bpf-rvi/common_kfuncs.c:185:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 185 | __bpf_kfunc unsigned long bpf_mem_freecma(void) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:200:17: warning: no previous prototype for function 'bpf_hugetlb_report_meminfo' [-Wmissing-prototypes] 200 | __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info) | ^ kernel/bpf-rvi/common_kfuncs.c:200:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 200 | __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info) | ^ | static 21 warnings generated. vim +/bpf_hugetlb_report_meminfo +200 kernel/bpf-rvi/common_kfuncs.c 198 199 #ifdef CONFIG_HUGETLB_PAGE > 200 __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info) 201 { 202 struct hstate *h; 203 unsigned long total = 0; 204 205 if (!hugepages_supported()) 206 return -1; 207 208 for_each_hstate(h) { 209 unsigned long count = h->nr_huge_pages; 210 211 total += huge_page_size(h) * count; 212 213 if (h == &default_hstate) { 214 hugepage_info->total = count; 215 hugepage_info->free = h->free_huge_pages; 216 hugepage_info->rsvd = h->resv_huge_pages; 217 hugepage_info->surp = h->surplus_huge_pages; 218 hugepage_info->size = huge_page_size(h) / SZ_1K; 219 } 220 } 221 222 hugepage_info->hugetlb = total / SZ_1K; 223 return 0; 224 } 225 #else 226 __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info) 227 { 228 return -1; 229 } 230 #endif 231 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 2680/2680] drivers/net/ethernet/linkdata/sxe/sxepf/sxe_debugfs.c:432:6: error: no previous prototype for 'sxe_debugfs_entries_init'
by kernel test robot 15 Aug '25

15 Aug '25

Hi liujie_answer, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 54d96ebb93c9ff0573fe16586a47778ebe26de32 commit: dd013ad487534c1838afc2f55efdb5daec15aace [2680/2680] Ethernet: Linkdata: Supports Linkdata ethernet Controllers config: x86_64-buildonly-randconfig-006-20250815 (https://download.01.org/0day-ci/archive/20250815/202508152057.oL7JqxX1-lkp@…) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508152057.oL7JqxX1-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/202508152057.oL7JqxX1-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_debugfs.c:432:6: error: no previous prototype for 'sxe_debugfs_entries_init' [-Werror=missing-prototypes] 432 | void sxe_debugfs_entries_init(struct sxe_adapter *adapter) | ^~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_debugfs.c:459:6: error: no previous prototype for 'sxe_debugfs_entries_exit' [-Werror=missing-prototypes] 459 | void sxe_debugfs_entries_exit(struct sxe_adapter *adapter) | ^~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_debugfs.c:465:6: error: no previous prototype for 'sxe_debugfs_init' [-Werror=missing-prototypes] 465 | void sxe_debugfs_init(void) | ^~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_debugfs.c:470:6: error: no previous prototype for 'sxe_debugfs_exit' [-Werror=missing-prototypes] 470 | void sxe_debugfs_exit(void) | ^~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:230:6: error: no previous prototype for 'sxe_hw_no_snoop_disable' [-Werror=missing-prototypes] 230 | void sxe_hw_no_snoop_disable(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:262:6: error: no previous prototype for 'sxe_hw_uc_addr_pool_del' [-Werror=missing-prototypes] 262 | void sxe_hw_uc_addr_pool_del(struct sxe_hw *hw, u32 rar_idx, u32 pool_idx) | ^~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:283:5: error: no previous prototype for 'sxe_hw_uc_addr_pool_enable' [-Werror=missing-prototypes] 283 | s32 sxe_hw_uc_addr_pool_enable(struct sxe_hw *hw, u8 rar_idx, u8 pool_idx) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:337:5: error: no previous prototype for 'sxe_hw_nic_reset' [-Werror=missing-prototypes] 337 | s32 sxe_hw_nic_reset(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:367:6: error: no previous prototype for 'sxe_hw_pf_rst_done_set' [-Werror=missing-prototypes] 367 | void sxe_hw_pf_rst_done_set(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:735:5: error: no previous prototype for 'sxe_hw_pending_irq_read_clear' [-Werror=missing-prototypes] 735 | u32 sxe_hw_pending_irq_read_clear(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:740:6: error: no previous prototype for 'sxe_hw_pending_irq_write_clear' [-Werror=missing-prototypes] 740 | void sxe_hw_pending_irq_write_clear(struct sxe_hw *hw, u32 value) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:745:5: error: no previous prototype for 'sxe_hw_irq_cause_get' [-Werror=missing-prototypes] 745 | u32 sxe_hw_irq_cause_get(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:765:6: error: no previous prototype for 'sxe_hw_ring_irq_auto_disable' [-Werror=missing-prototypes] 765 | void sxe_hw_ring_irq_auto_disable(struct sxe_hw *hw, bool is_msix) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:775:6: error: no previous prototype for 'sxe_hw_irq_general_reg_set' [-Werror=missing-prototypes] 775 | void sxe_hw_irq_general_reg_set(struct sxe_hw *hw, u32 value) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:780:5: error: no previous prototype for 'sxe_hw_irq_general_reg_get' [-Werror=missing-prototypes] 780 | u32 sxe_hw_irq_general_reg_get(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:790:6: error: no previous prototype for 'sxe_hw_event_irq_map' [-Werror=missing-prototypes] 790 | void sxe_hw_event_irq_map(struct sxe_hw *hw, u8 offset, u16 irq_idx) | ^~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:806:6: error: no previous prototype for 'sxe_hw_ring_irq_map' [-Werror=missing-prototypes] 806 | void sxe_hw_ring_irq_map(struct sxe_hw *hw, bool is_tx, u16 reg_idx, | ^~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:823:6: error: no previous prototype for 'sxe_hw_ring_irq_interval_set' [-Werror=missing-prototypes] 823 | void sxe_hw_ring_irq_interval_set(struct sxe_hw *hw, u16 irq_idx, u32 interval) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:838:6: error: no previous prototype for 'sxe_hw_event_irq_auto_clear_set' [-Werror=missing-prototypes] 838 | void sxe_hw_event_irq_auto_clear_set(struct sxe_hw *hw, u32 value) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:843:6: error: no previous prototype for 'sxe_hw_specific_irq_disable' [-Werror=missing-prototypes] 843 | void sxe_hw_specific_irq_disable(struct sxe_hw *hw, u32 value) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:848:6: error: no previous prototype for 'sxe_hw_specific_irq_enable' [-Werror=missing-prototypes] 848 | void sxe_hw_specific_irq_enable(struct sxe_hw *hw, u32 value) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:876:6: error: no previous prototype for 'sxe_hw_all_irq_disable' [-Werror=missing-prototypes] 876 | void sxe_hw_all_irq_disable(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:994:5: error: no previous prototype for 'sxe_hw_link_speed_get' [-Werror=missing-prototypes] 994 | u32 sxe_hw_link_speed_get(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1014:6: error: no previous prototype for 'sxe_hw_link_speed_set' [-Werror=missing-prototypes] 1014 | void sxe_hw_link_speed_set(struct sxe_hw *hw, u32 speed) | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1033:6: error: no previous prototype for 'sxe_hw_is_link_state_up' [-Werror=missing-prototypes] 1033 | bool sxe_hw_is_link_state_up(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1055:6: error: no previous prototype for 'sxe_hw_mac_pad_enable' [-Werror=missing-prototypes] 1055 | void sxe_hw_mac_pad_enable(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1064:5: error: no previous prototype for 'sxe_hw_fc_enable' [-Werror=missing-prototypes] 1064 | s32 sxe_hw_fc_enable(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1135:6: error: no previous prototype for 'sxe_fc_autoneg_localcap_set' [-Werror=missing-prototypes] 1135 | void sxe_fc_autoneg_localcap_set(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1164:5: error: no previous prototype for 'sxe_hw_pfc_enable' [-Werror=missing-prototypes] 1164 | s32 sxe_hw_pfc_enable(struct sxe_hw *hw, u8 tc_idx) | ^~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1256:6: error: no previous prototype for 'sxe_hw_crc_configure' [-Werror=missing-prototypes] 1256 | void sxe_hw_crc_configure(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1264:6: error: no previous prototype for 'sxe_hw_loopback_switch' [-Werror=missing-prototypes] 1264 | void sxe_hw_loopback_switch(struct sxe_hw *hw, bool is_enable) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1276:6: error: no previous prototype for 'sxe_hw_mac_txrx_enable' [-Werror=missing-prototypes] 1276 | void sxe_hw_mac_txrx_enable(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1285:6: error: no previous prototype for 'sxe_hw_mac_max_frame_set' [-Werror=missing-prototypes] 1285 | void sxe_hw_mac_max_frame_set(struct sxe_hw *hw, u32 max_frame) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1298:5: error: no previous prototype for 'sxe_hw_mac_max_frame_get' [-Werror=missing-prototypes] 1298 | u32 sxe_hw_mac_max_frame_get(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1330:6: error: no previous prototype for 'sxe_hw_fc_tc_high_water_mark_set' [-Werror=missing-prototypes] 1330 | void sxe_hw_fc_tc_high_water_mark_set(struct sxe_hw *hw, u8 tc_idx, u32 mark) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1335:6: error: no previous prototype for 'sxe_hw_fc_tc_low_water_mark_set' [-Werror=missing-prototypes] 1335 | void sxe_hw_fc_tc_low_water_mark_set(struct sxe_hw *hw, u8 tc_idx, u32 mark) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1340:6: error: no previous prototype for 'sxe_hw_is_fc_autoneg_disabled' [-Werror=missing-prototypes] 1340 | bool sxe_hw_is_fc_autoneg_disabled(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1345:6: error: no previous prototype for 'sxe_hw_fc_autoneg_disable_set' [-Werror=missing-prototypes] 1345 | void sxe_hw_fc_autoneg_disable_set(struct sxe_hw *hw, bool is_disabled) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1360:6: error: no previous prototype for 'sxe_hw_fc_requested_mode_set' [-Werror=missing-prototypes] 1360 | void sxe_hw_fc_requested_mode_set(struct sxe_hw *hw, enum sxe_fc_mode mode) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1388:5: error: no previous prototype for 'sxe_hw_rx_mode_get' [-Werror=missing-prototypes] 1388 | u32 sxe_hw_rx_mode_get(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1393:5: error: no previous prototype for 'sxe_hw_pool_rx_mode_get' [-Werror=missing-prototypes] 1393 | u32 sxe_hw_pool_rx_mode_get(struct sxe_hw *hw, u16 pool_idx) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1398:6: error: no previous prototype for 'sxe_hw_rx_mode_set' [-Werror=missing-prototypes] 1398 | void sxe_hw_rx_mode_set(struct sxe_hw *hw, u32 filter_ctrl) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1403:6: error: no previous prototype for 'sxe_hw_pool_rx_mode_set' [-Werror=missing-prototypes] 1403 | void sxe_hw_pool_rx_mode_set(struct sxe_hw *hw, u32 vmolr, u16 pool_idx) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1408:6: error: no previous prototype for 'sxe_hw_rx_lro_enable' [-Werror=missing-prototypes] 1408 | void sxe_hw_rx_lro_enable(struct sxe_hw *hw, bool is_enable) | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1420:6: error: no previous prototype for 'sxe_hw_rx_nfs_filter_disable' [-Werror=missing-prototypes] 1420 | void sxe_hw_rx_nfs_filter_disable(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1428:6: error: no previous prototype for 'sxe_hw_rx_udp_frag_checksum_disable' [-Werror=missing-prototypes] 1428 | void sxe_hw_rx_udp_frag_checksum_disable(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1437:6: error: no previous prototype for 'sxe_hw_fc_mac_addr_set' [-Werror=missing-prototypes] 1437 | void sxe_hw_fc_mac_addr_set(struct sxe_hw *hw, u8 *mac_addr) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1449:5: error: no previous prototype for 'sxe_hw_uc_addr_add' [-Werror=missing-prototypes] 1449 | s32 sxe_hw_uc_addr_add(struct sxe_hw *hw, u32 rar_idx, u8 *addr, u32 pool_idx) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1484:5: error: no previous prototype for 'sxe_hw_uc_addr_del' [-Werror=missing-prototypes] 1484 | s32 sxe_hw_uc_addr_del(struct sxe_hw *hw, u32 index) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1510:6: error: no previous prototype for 'sxe_hw_mta_hash_table_set' [-Werror=missing-prototypes] 1510 | void sxe_hw_mta_hash_table_set(struct sxe_hw *hw, u8 index, u32 value) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1515:6: error: no previous prototype for 'sxe_hw_mta_hash_table_update' [-Werror=missing-prototypes] 1515 | void sxe_hw_mta_hash_table_update(struct sxe_hw *hw, u8 reg_idx, u8 bit_idx) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1525:5: error: no previous prototype for 'sxe_hw_mc_filter_get' [-Werror=missing-prototypes] 1525 | u32 sxe_hw_mc_filter_get(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1530:6: error: no previous prototype for 'sxe_hw_mc_filter_enable' [-Werror=missing-prototypes] 1530 | void sxe_hw_mc_filter_enable(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1554:6: error: no previous prototype for 'sxe_hw_uc_addr_clear' [-Werror=missing-prototypes] 1554 | void sxe_hw_uc_addr_clear(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1587:6: error: no previous prototype for 'sxe_hw_vt_ctrl_cfg' [-Werror=missing-prototypes] 1587 | void sxe_hw_vt_ctrl_cfg(struct sxe_hw *hw, u8 default_pool) | ^~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1601:6: error: no previous prototype for 'sxe_hw_vt_disable' [-Werror=missing-prototypes] 1601 | void sxe_hw_vt_disable(struct sxe_hw *hw) | ^~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_hw.c:1675:5: error: no previous prototype for 'sxe_hw_vlan_pool_filter_read' [-Werror=missing-prototypes] 1675 | u32 sxe_hw_vlan_pool_filter_read(struct sxe_hw *hw, u16 reg_index) -- >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_irq.c:136:5: error: no previous prototype for 'sxe_msi_irq_init' [-Werror=missing-prototypes] 136 | int sxe_msi_irq_init(struct sxe_adapter *adapter) | ^~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_irq.c:182:6: error: no previous prototype for 'sxe_disable_dcb' [-Werror=missing-prototypes] 182 | void sxe_disable_dcb(struct sxe_adapter *adapter) | ^~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_irq.c:212:6: error: no previous prototype for 'sxe_disable_rss' [-Werror=missing-prototypes] 212 | void sxe_disable_rss(struct sxe_adapter *adapter) | ^~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_irq.c:729:6: error: no previous prototype for 'sxe_lsc_irq_handler' [-Werror=missing-prototypes] 729 | void sxe_lsc_irq_handler(struct sxe_adapter *adapter) | ^~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_irq.c:745:6: error: no previous prototype for 'sxe_mailbox_irq_handler' [-Werror=missing-prototypes] 745 | void sxe_mailbox_irq_handler(struct sxe_adapter *adapter) | ^~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_rx_proc.c:1431:6: error: no previous prototype for 'sxe_headers_cleanup' [-Werror=missing-prototypes] 1431 | bool sxe_headers_cleanup(struct sxe_ring *rx_ring, | ^~~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_rx_proc.c:1569:6: error: no previous prototype for 'sxe_rx_buffer_page_offset_update' [-Werror=missing-prototypes] 1569 | void sxe_rx_buffer_page_offset_update(struct sxe_ring *rx_ring, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_main.c:70:6: error: no previous prototype for 'sxe_allow_inval_mac' [-Werror=missing-prototypes] 70 | bool sxe_allow_inval_mac(void) | ^~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/net/ethernet/linkdata/sxe/sxepf/sxe_sriov.c: In function 'sxe_vf_uc_addr_del': >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_sriov.c:766:13: error: variable 'ret' set but not used [-Werror=unused-but-set-variable] 766 | s32 ret; | ^~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_sriov.c: At top level: >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_sriov.c:1552:6: error: no previous prototype for 'sxe_set_vf_link_enable' [-Werror=missing-prototypes] 1552 | void sxe_set_vf_link_enable(struct sxe_adapter *adapter, s32 vf_idx, s32 state) | ^~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_phy.c:733:5: error: no previous prototype for 'sxe_multispeed_sfp_link_configure' [-Werror=missing-prototypes] 733 | s32 sxe_multispeed_sfp_link_configure(struct sxe_adapter *adapter, u32 speed) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_ethtool.c:2022:5: error: no previous prototype for 'sxe_reg_test' [-Werror=missing-prototypes] 2022 | int sxe_reg_test(struct sxe_adapter *adapter) | ^~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_ethtool.c:2644:5: error: no previous prototype for 'sxe_phys_id_set' [-Werror=missing-prototypes] 2644 | int sxe_phys_id_set(struct net_device *netdev, enum ethtool_phys_id_state state) | ^~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe/sxepf/sxe_ethtool.c: In function 'sxe_get_module_eeprom': >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_ethtool.c:2736:47: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body] 2736 | LOG_ERROR("read sfp failed\n"); | ^ cc1: all warnings being treated as errors -- >> drivers/net/ethernet/linkdata/sxe/sxepf/sxe_xdp.c:410:6: error: no previous prototype for 'sxe_txrx_ring_enable' [-Werror=missing-prototypes] 410 | void sxe_txrx_ring_enable(struct sxe_adapter *adapter, u32 ring_idx) | ^~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_rx_proc.c:362:6: error: no previous prototype for 'sxevf_rx_ring_buffers_alloc' [-Werror=missing-prototypes] 362 | void sxevf_rx_ring_buffers_alloc(struct sxevf_ring *rx_ring, u16 cleaned_count) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- >> drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_tx_proc.c:88:6: error: no previous prototype for 'sxevf_tx_ring_free' [-Werror=missing-prototypes] 88 | void sxevf_tx_ring_free(struct sxevf_ring *ring) | ^~~~~~~~~~~~~~~~~~ >> drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_tx_proc.c:127:5: error: no previous prototype for 'sxevf_tx_ring_alloc' [-Werror=missing-prototypes] 127 | s32 sxevf_tx_ring_alloc(struct sxevf_ring *ring) | ^~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_tx_proc.c: In function 'sxevf_xmit_pkt': >> drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_tx_proc.c:703:66: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body] 703 | ring->idx, SXEVF_TX_DESC_NEEDED); | ^ drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_tx_proc.c: In function 'sxevf_ring_xmit': drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_tx_proc.c:803:74: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body] 803 | LOG_ERROR("tx dma mapping err, ring idx=%u\n", ring->idx); | ^ drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_tx_proc.c: In function 'sxevf_xmit': >> drivers/net/ethernet/linkdata/sxevf/sxevf/sxevf_tx_proc.c:838:71: error: suggest braces around empty body in an 'else' statement [-Werror=empty-body] 838 | LOG_DEBUG("sxe xmit end, ring idx=%u\n", tx_ring->idx); | ^ cc1: all warnings being treated as errors .. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PTP_1588_CLOCK Depends on [n]: NET [=y] && POSIX_TIMERS [=n] Selected by [m]: - SXE [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_LINKDATA [=y] && (X86 [=y] || ARM64) && PCI [=y] - SXE_VF [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_LINKDATA [=y] && (X86 [=y] || ARM64) && PCI [=y] vim +/sxe_debugfs_entries_init +432 drivers/net/ethernet/linkdata/sxe/sxepf/sxe_debugfs.c 431 > 432 void sxe_debugfs_entries_init(struct sxe_adapter *adapter) 433 { 434 struct dentry *dir; 435 const char *name = pci_name(adapter->pdev); 436 437 adapter->debugfs_entries = debugfs_create_dir(name, sxe_debugfs_root); 438 dir = debugfs_create_file("reg_ops", 0600, adapter->debugfs_entries, 439 adapter, &sxe_debugfs_reg_ops_fops); 440 if (!dir || dir == ERR_PTR(-ENODEV)) 441 LOG_INFO_BDF("debugfs:reg_ops file create failed\n"); 442 443 dir = debugfs_create_file("netdev_ops", 0600, adapter->debugfs_entries, 444 adapter, &sxe_debugfs_netdev_ops_fops); 445 if (!dir || dir == ERR_PTR(-ENODEV)) 446 LOG_INFO_BDF("debugfs:netdev_ops file create failed\n"); 447 448 dir = debugfs_create_file("hw_stats", 0400, adapter->debugfs_entries, 449 adapter, &sxe_debugfs_hw_stats_fops); 450 if (!dir || dir == ERR_PTR(-ENODEV)) 451 LOG_INFO_BDF("debugfs:hw_stats file create failed\n"); 452 453 dir = debugfs_create_file("sfp_info", 0400, adapter->debugfs_entries, 454 adapter, &sxe_debugfs_sfp_info_fops); 455 if (!dir || dir == ERR_PTR(-ENODEV)) 456 LOG_INFO_BDF("debugfs:sfp_info file create failed\n"); 457 } 458 > 459 void sxe_debugfs_entries_exit(struct sxe_adapter *adapter) 460 { 461 debugfs_remove_recursive(adapter->debugfs_entries); 462 adapter->debugfs_entries = NULL; 463 } 464 > 465 void sxe_debugfs_init(void) 466 { 467 sxe_debugfs_root = debugfs_create_dir(SXE_DRV_NAME, NULL); 468 } 469 > 470 void sxe_debugfs_exit(void) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 2679/2679] kernel/bpf-rvi/common_kfuncs.c:179:27: warning: no previous prototype for function 'bpf_mem_totalcma'
by kernel test robot 15 Aug '25

15 Aug '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 2a82ebf963a58eaae57bc365d5d523592f13db7b commit: 9c449e4d9af5b69a1b9fdae9e3f18dc1515635b8 [2679/2679] bpf-rvi: Add bpf_mem_{total,free}cma kfunc config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250815/202508151842.k7QexzPZ-lkp@…) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508151842.k7QexzPZ-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/202508151842.k7QexzPZ-lkp@intel.com/ All warnings (new ones prefixed by >>): | ^ | static kernel/bpf-rvi/common_kfuncs.c:83:18: warning: no previous prototype for function 'bpf_si_memswinfo' [-Wmissing-prototypes] 83 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^ kernel/bpf-rvi/common_kfuncs.c:83:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 83 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^ | static kernel/bpf-rvi/common_kfuncs.c:93:27: warning: no previous prototype for function 'bpf_page_counter_read' [-Wmissing-prototypes] 93 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^ kernel/bpf-rvi/common_kfuncs.c:93:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 93 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^ | static kernel/bpf-rvi/common_kfuncs.c:103:18: warning: no previous prototype for function 'bpf_seq_file_append' [-Wmissing-prototypes] 103 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ kernel/bpf-rvi/common_kfuncs.c:103:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 103 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ | static kernel/bpf-rvi/common_kfuncs.c:117:18: warning: no previous prototype for function 'bpf_get_boottime_timens' [-Wmissing-prototypes] 117 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ kernel/bpf-rvi/common_kfuncs.c:117:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 117 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ | static kernel/bpf-rvi/common_kfuncs.c:123:27: warning: no previous prototype for function 'bpf_get_total_forks' [-Wmissing-prototypes] 123 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ kernel/bpf-rvi/common_kfuncs.c:123:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 123 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:128:26: warning: no previous prototype for function 'bpf_nr_running' [-Wmissing-prototypes] 128 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ kernel/bpf-rvi/common_kfuncs.c:128:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 128 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:133:32: warning: no previous prototype for function 'bpf_nr_context_switches' [-Wmissing-prototypes] 133 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ kernel/bpf-rvi/common_kfuncs.c:133:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 133 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:138:26: warning: no previous prototype for function 'bpf_nr_iowait' [-Wmissing-prototypes] 138 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ kernel/bpf-rvi/common_kfuncs.c:138:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 138 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:144:26: warning: no previous prototype for function 'bpf_kstat_softirqs_cpu' [-Wmissing-prototypes] 144 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:144:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 144 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:149:27: warning: no previous prototype for function 'bpf_kstat_cpu_irqs_sum' [-Wmissing-prototypes] 149 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:149:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 149 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:154:18: warning: no previous prototype for function 'bpf_kcpustat_cpu_fetch' [-Wmissing-prototypes] 154 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:154:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 154 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:163:27: warning: no previous prototype for function 'bpf_mem_file_hugepage' [-Wmissing-prototypes] 163 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^ kernel/bpf-rvi/common_kfuncs.c:163:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 163 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:168:27: warning: no previous prototype for function 'bpf_mem_file_pmdmapped' [-Wmissing-prototypes] 168 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^ kernel/bpf-rvi/common_kfuncs.c:168:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 168 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:173:27: warning: no previous prototype for function 'bpf_mem_kreclaimable' [-Wmissing-prototypes] 173 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^ kernel/bpf-rvi/common_kfuncs.c:173:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 173 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:179:27: warning: no previous prototype for function 'bpf_mem_totalcma' [-Wmissing-prototypes] 179 | __bpf_kfunc unsigned long bpf_mem_totalcma(void) | ^ kernel/bpf-rvi/common_kfuncs.c:179:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 179 | __bpf_kfunc unsigned long bpf_mem_totalcma(void) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:184:27: warning: no previous prototype for function 'bpf_mem_freecma' [-Wmissing-prototypes] 184 | __bpf_kfunc unsigned long bpf_mem_freecma(void) | ^ kernel/bpf-rvi/common_kfuncs.c:184:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 184 | __bpf_kfunc unsigned long bpf_mem_freecma(void) | ^ | static 20 warnings generated. vim +/bpf_mem_totalcma +179 kernel/bpf-rvi/common_kfuncs.c 178 > 179 __bpf_kfunc unsigned long bpf_mem_totalcma(void) 180 { 181 return totalcma_pages; 182 } 183 > 184 __bpf_kfunc unsigned long bpf_mem_freecma(void) 185 { 186 return global_zone_page_state(NR_FREE_CMA_PAGES); 187 } 188 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:openEuler-1.0-LTS 1755/1755] kernel/futex.c:1209: warning: Function parameter or member 'ret' not described in 'wait_for_owner_exiting'
by kernel test robot 15 Aug '25

15 Aug '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 8723dc57de6371f9cc8764e15d4cc9e57ae592ee commit: 0b7ab5fb231754def820e514cc7607bbad377928 [1755/1755] futex: Prevent exit livelock config: x86_64-buildonly-randconfig-2002-20250811 (https://download.01.org/0day-ci/archive/20250815/202508151048.nycUlzlC-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/20250815/202508151048.nycUlzlC-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/202508151048.nycUlzlC-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/futex.c:1209: warning: Function parameter or member 'ret' not described in 'wait_for_owner_exiting' vim +1209 kernel/futex.c 1201 1202 /** 1203 * wait_for_owner_exiting - Block until the owner has exited 1204 * @exiting: Pointer to the exiting task 1205 * 1206 * Caller must hold a refcount on @exiting. 1207 */ 1208 static void wait_for_owner_exiting(int ret, struct task_struct *exiting) > 1209 { 1210 if (ret != -EBUSY) { 1211 WARN_ON_ONCE(exiting); 1212 return; 1213 } 1214 1215 if (WARN_ON_ONCE(ret == -EBUSY && !exiting)) 1216 return; 1217 1218 mutex_lock(&exiting->futex_exit_mutex); 1219 /* 1220 * No point in doing state checking here. If the waiter got here 1221 * while the task was in exec()->exec_futex_release() then it can 1222 * have any FUTEX_STATE_* value when the waiter has acquired the 1223 * mutex. OK, if running, EXITING or DEAD if it reached exit() 1224 * already. Highly unlikely and not a problem. Just one more round 1225 * through the futex maze. 1226 */ 1227 mutex_unlock(&exiting->futex_exit_mutex); 1228 1229 put_task_struct(exiting); 1230 } 1231 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 2679/2679] kernel/bpf-rvi/common_kfuncs.c:162:27: warning: no previous prototype for function 'bpf_mem_file_hugepage'
by kernel test robot 15 Aug '25

15 Aug '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 43d8c124ec4624389b14d42595e5f0195e3e5a1d commit: d97bc9c8827bb5cd9f66dab10e0b505a879256e2 [2679/2679] bpf-rvi: Add bpf_mem_{file_{hugepage,pmdmapped},kreclaimable} kfunc config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250815/202508151431.mBUI7ayW-lkp@…) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508151431.mBUI7ayW-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/202508151431.mBUI7ayW-lkp@intel.com/ All warnings (new ones prefixed by >>): | ^ | static kernel/bpf-rvi/common_kfuncs.c:34:35: warning: no previous prototype for function 'bpf_task_active_pid_ns' [-Wmissing-prototypes] 34 | __bpf_kfunc struct pid_namespace *bpf_task_active_pid_ns(struct task_struct *task) | ^ kernel/bpf-rvi/common_kfuncs.c:34:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 34 | __bpf_kfunc struct pid_namespace *bpf_task_active_pid_ns(struct task_struct *task) | ^ | static kernel/bpf-rvi/common_kfuncs.c:39:17: warning: no previous prototype for function 'bpf_pidns_nr_tasks' [-Wmissing-prototypes] 39 | __bpf_kfunc u64 bpf_pidns_nr_tasks(struct pid_namespace *ns) | ^ kernel/bpf-rvi/common_kfuncs.c:39:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 39 | __bpf_kfunc u64 bpf_pidns_nr_tasks(struct pid_namespace *ns) | ^ | static kernel/bpf-rvi/common_kfuncs.c:53:17: warning: no previous prototype for function 'bpf_pidns_last_pid' [-Wmissing-prototypes] 53 | __bpf_kfunc u32 bpf_pidns_last_pid(struct pid_namespace *ns) | ^ kernel/bpf-rvi/common_kfuncs.c:53:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 53 | __bpf_kfunc u32 bpf_pidns_last_pid(struct pid_namespace *ns) | ^ | static kernel/bpf-rvi/common_kfuncs.c:82:18: warning: no previous prototype for function 'bpf_si_memswinfo' [-Wmissing-prototypes] 82 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^ kernel/bpf-rvi/common_kfuncs.c:82:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 82 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^ | static kernel/bpf-rvi/common_kfuncs.c:92:27: warning: no previous prototype for function 'bpf_page_counter_read' [-Wmissing-prototypes] 92 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^ kernel/bpf-rvi/common_kfuncs.c:92:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 92 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^ | static kernel/bpf-rvi/common_kfuncs.c:102:18: warning: no previous prototype for function 'bpf_seq_file_append' [-Wmissing-prototypes] 102 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ kernel/bpf-rvi/common_kfuncs.c:102:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 102 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ | static kernel/bpf-rvi/common_kfuncs.c:116:18: warning: no previous prototype for function 'bpf_get_boottime_timens' [-Wmissing-prototypes] 116 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ kernel/bpf-rvi/common_kfuncs.c:116:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 116 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ | static kernel/bpf-rvi/common_kfuncs.c:122:27: warning: no previous prototype for function 'bpf_get_total_forks' [-Wmissing-prototypes] 122 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ kernel/bpf-rvi/common_kfuncs.c:122:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 122 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:127:26: warning: no previous prototype for function 'bpf_nr_running' [-Wmissing-prototypes] 127 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ kernel/bpf-rvi/common_kfuncs.c:127:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 127 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:132:32: warning: no previous prototype for function 'bpf_nr_context_switches' [-Wmissing-prototypes] 132 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ kernel/bpf-rvi/common_kfuncs.c:132:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 132 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:137:26: warning: no previous prototype for function 'bpf_nr_iowait' [-Wmissing-prototypes] 137 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ kernel/bpf-rvi/common_kfuncs.c:137:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 137 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:143:26: warning: no previous prototype for function 'bpf_kstat_softirqs_cpu' [-Wmissing-prototypes] 143 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:143:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 143 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:148:27: warning: no previous prototype for function 'bpf_kstat_cpu_irqs_sum' [-Wmissing-prototypes] 148 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:148:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 148 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:153:18: warning: no previous prototype for function 'bpf_kcpustat_cpu_fetch' [-Wmissing-prototypes] 153 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:153:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 153 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:162:27: warning: no previous prototype for function 'bpf_mem_file_hugepage' [-Wmissing-prototypes] 162 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^ kernel/bpf-rvi/common_kfuncs.c:162:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 162 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:167:27: warning: no previous prototype for function 'bpf_mem_file_pmdmapped' [-Wmissing-prototypes] 167 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^ kernel/bpf-rvi/common_kfuncs.c:167:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 167 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:172:27: warning: no previous prototype for function 'bpf_mem_kreclaimable' [-Wmissing-prototypes] 172 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^ kernel/bpf-rvi/common_kfuncs.c:172:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 172 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^ | static 18 warnings generated. vim +/bpf_mem_file_hugepage +162 kernel/bpf-rvi/common_kfuncs.c 157 158 /* 159 * Meminfo related kfuncs 160 */ 161 > 162 __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) 163 { 164 return global_node_page_state(NR_FILE_THPS); 165 } 166 > 167 __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) 168 { 169 return global_node_page_state(NR_FILE_PMDMAPPED); 170 } 171 > 172 __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) 173 { 174 return global_node_page_state_pages(NR_SLAB_RECLAIMABLE_B) + 175 global_node_page_state(NR_KERNEL_MISC_RECLAIMABLE); 176 } 177 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 2679/2679] kernel/bpf-rvi/common_kfuncs.c:143:26: warning: no previous prototype for function 'bpf_kstat_softirqs_cpu'
by kernel test robot 15 Aug '25

15 Aug '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 43d8c124ec4624389b14d42595e5f0195e3e5a1d commit: e553ff4b5e1eed196ab68b4efd4a189c45396667 [2679/2679] bpf-rvi: Add kstat_ & kcpustat_ kfuncs config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250815/202508151345.8J2PvFWg-lkp@…) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508151345.8J2PvFWg-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/202508151345.8J2PvFWg-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/bpf-rvi/common_kfuncs.c:25:32: warning: no previous prototype for function 'bpf_mem_cgroup_from_task' [-Wmissing-prototypes] 25 | __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) | ^ kernel/bpf-rvi/common_kfuncs.c:25:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 25 | __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) | ^ | static kernel/bpf-rvi/common_kfuncs.c:34:35: warning: no previous prototype for function 'bpf_task_active_pid_ns' [-Wmissing-prototypes] 34 | __bpf_kfunc struct pid_namespace *bpf_task_active_pid_ns(struct task_struct *task) | ^ kernel/bpf-rvi/common_kfuncs.c:34:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 34 | __bpf_kfunc struct pid_namespace *bpf_task_active_pid_ns(struct task_struct *task) | ^ | static kernel/bpf-rvi/common_kfuncs.c:39:17: warning: no previous prototype for function 'bpf_pidns_nr_tasks' [-Wmissing-prototypes] 39 | __bpf_kfunc u64 bpf_pidns_nr_tasks(struct pid_namespace *ns) | ^ kernel/bpf-rvi/common_kfuncs.c:39:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 39 | __bpf_kfunc u64 bpf_pidns_nr_tasks(struct pid_namespace *ns) | ^ | static kernel/bpf-rvi/common_kfuncs.c:53:17: warning: no previous prototype for function 'bpf_pidns_last_pid' [-Wmissing-prototypes] 53 | __bpf_kfunc u32 bpf_pidns_last_pid(struct pid_namespace *ns) | ^ kernel/bpf-rvi/common_kfuncs.c:53:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 53 | __bpf_kfunc u32 bpf_pidns_last_pid(struct pid_namespace *ns) | ^ | static kernel/bpf-rvi/common_kfuncs.c:82:18: warning: no previous prototype for function 'bpf_si_memswinfo' [-Wmissing-prototypes] 82 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^ kernel/bpf-rvi/common_kfuncs.c:82:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 82 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^ | static kernel/bpf-rvi/common_kfuncs.c:92:27: warning: no previous prototype for function 'bpf_page_counter_read' [-Wmissing-prototypes] 92 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^ kernel/bpf-rvi/common_kfuncs.c:92:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 92 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^ | static kernel/bpf-rvi/common_kfuncs.c:102:18: warning: no previous prototype for function 'bpf_seq_file_append' [-Wmissing-prototypes] 102 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ kernel/bpf-rvi/common_kfuncs.c:102:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 102 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ | static kernel/bpf-rvi/common_kfuncs.c:116:18: warning: no previous prototype for function 'bpf_get_boottime_timens' [-Wmissing-prototypes] 116 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ kernel/bpf-rvi/common_kfuncs.c:116:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 116 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ | static kernel/bpf-rvi/common_kfuncs.c:122:27: warning: no previous prototype for function 'bpf_get_total_forks' [-Wmissing-prototypes] 122 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ kernel/bpf-rvi/common_kfuncs.c:122:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 122 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:127:26: warning: no previous prototype for function 'bpf_nr_running' [-Wmissing-prototypes] 127 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ kernel/bpf-rvi/common_kfuncs.c:127:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 127 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:132:32: warning: no previous prototype for function 'bpf_nr_context_switches' [-Wmissing-prototypes] 132 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ kernel/bpf-rvi/common_kfuncs.c:132:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 132 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:137:26: warning: no previous prototype for function 'bpf_nr_iowait' [-Wmissing-prototypes] 137 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ kernel/bpf-rvi/common_kfuncs.c:137:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 137 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:143:26: warning: no previous prototype for function 'bpf_kstat_softirqs_cpu' [-Wmissing-prototypes] 143 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:143:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 143 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:148:27: warning: no previous prototype for function 'bpf_kstat_cpu_irqs_sum' [-Wmissing-prototypes] 148 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:148:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 148 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:153:18: warning: no previous prototype for function 'bpf_kcpustat_cpu_fetch' [-Wmissing-prototypes] 153 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:153:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 153 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^ | static 15 warnings generated. vim +/bpf_kstat_softirqs_cpu +143 kernel/bpf-rvi/common_kfuncs.c 141 142 /* Kernel statistics for CPU accounting */ > 143 __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) 144 { 145 return kstat_softirqs_cpu(irq, cpu); 146 } 147 > 148 __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) 149 { 150 return kstat_cpu_irqs_sum(cpu); 151 } 152 > 153 __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) 154 { 155 kcpustat_cpu_fetch(dst, cpu); 156 } 157 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 2679/2679] kernel/bpf-rvi/common_kfuncs.c:127:26: warning: no previous prototype for function 'bpf_nr_running'
by kernel test robot 15 Aug '25

15 Aug '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 43d8c124ec4624389b14d42595e5f0195e3e5a1d commit: 34f90dce941b028e02a0336711907b220e3c5765 [2679/2679] bpf-rvi: Add cpu runqueue related kfuncs config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250815/202508151109.6yJtnNTX-lkp@…) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508151109.6yJtnNTX-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/202508151109.6yJtnNTX-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/bpf-rvi/common_kfuncs.c:25:32: warning: no previous prototype for function 'bpf_mem_cgroup_from_task' [-Wmissing-prototypes] 25 | __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) | ^ kernel/bpf-rvi/common_kfuncs.c:25:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 25 | __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) | ^ | static kernel/bpf-rvi/common_kfuncs.c:34:35: warning: no previous prototype for function 'bpf_task_active_pid_ns' [-Wmissing-prototypes] 34 | __bpf_kfunc struct pid_namespace *bpf_task_active_pid_ns(struct task_struct *task) | ^ kernel/bpf-rvi/common_kfuncs.c:34:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 34 | __bpf_kfunc struct pid_namespace *bpf_task_active_pid_ns(struct task_struct *task) | ^ | static kernel/bpf-rvi/common_kfuncs.c:39:17: warning: no previous prototype for function 'bpf_pidns_nr_tasks' [-Wmissing-prototypes] 39 | __bpf_kfunc u64 bpf_pidns_nr_tasks(struct pid_namespace *ns) | ^ kernel/bpf-rvi/common_kfuncs.c:39:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 39 | __bpf_kfunc u64 bpf_pidns_nr_tasks(struct pid_namespace *ns) | ^ | static kernel/bpf-rvi/common_kfuncs.c:53:17: warning: no previous prototype for function 'bpf_pidns_last_pid' [-Wmissing-prototypes] 53 | __bpf_kfunc u32 bpf_pidns_last_pid(struct pid_namespace *ns) | ^ kernel/bpf-rvi/common_kfuncs.c:53:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 53 | __bpf_kfunc u32 bpf_pidns_last_pid(struct pid_namespace *ns) | ^ | static kernel/bpf-rvi/common_kfuncs.c:82:18: warning: no previous prototype for function 'bpf_si_memswinfo' [-Wmissing-prototypes] 82 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^ kernel/bpf-rvi/common_kfuncs.c:82:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 82 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^ | static kernel/bpf-rvi/common_kfuncs.c:92:27: warning: no previous prototype for function 'bpf_page_counter_read' [-Wmissing-prototypes] 92 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^ kernel/bpf-rvi/common_kfuncs.c:92:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 92 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^ | static kernel/bpf-rvi/common_kfuncs.c:102:18: warning: no previous prototype for function 'bpf_seq_file_append' [-Wmissing-prototypes] 102 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ kernel/bpf-rvi/common_kfuncs.c:102:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 102 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ | static kernel/bpf-rvi/common_kfuncs.c:116:18: warning: no previous prototype for function 'bpf_get_boottime_timens' [-Wmissing-prototypes] 116 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ kernel/bpf-rvi/common_kfuncs.c:116:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 116 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ | static kernel/bpf-rvi/common_kfuncs.c:122:27: warning: no previous prototype for function 'bpf_get_total_forks' [-Wmissing-prototypes] 122 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ kernel/bpf-rvi/common_kfuncs.c:122:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 122 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:127:26: warning: no previous prototype for function 'bpf_nr_running' [-Wmissing-prototypes] 127 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ kernel/bpf-rvi/common_kfuncs.c:127:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 127 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:132:32: warning: no previous prototype for function 'bpf_nr_context_switches' [-Wmissing-prototypes] 132 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ kernel/bpf-rvi/common_kfuncs.c:132:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 132 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ | static >> kernel/bpf-rvi/common_kfuncs.c:137:26: warning: no previous prototype for function 'bpf_nr_iowait' [-Wmissing-prototypes] 137 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ kernel/bpf-rvi/common_kfuncs.c:137:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 137 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ | static 12 warnings generated. vim +/bpf_nr_running +127 kernel/bpf-rvi/common_kfuncs.c 126 > 127 __bpf_kfunc unsigned int bpf_nr_running(void) 128 { 129 return nr_running(); 130 } 131 > 132 __bpf_kfunc unsigned long long bpf_nr_context_switches(void) 133 { 134 return nr_context_switches(); 135 } 136 > 137 __bpf_kfunc unsigned int bpf_nr_iowait(void) 138 { 139 return nr_iowait(); 140 } 141 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1755/1755] fs/xattr.c:222: warning: Function parameter or member 'dentry' not described in '__vfs_setxattr_locked'
by kernel test robot 15 Aug '25

15 Aug '25

Hi Frank, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 8723dc57de6371f9cc8764e15d4cc9e57ae592ee commit: 9f6e50a6f05d96c8ae495e278d86daa132b84085 [1755/1755] xattr: break delegations in {set, remove}xattr config: x86_64-buildonly-randconfig-2002-20250811 (https://download.01.org/0day-ci/archive/20250815/202508150542.jyItpbw4-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/20250815/202508150542.jyItpbw4-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/202508150542.jyItpbw4-lkp@intel.com/ All warnings (new ones prefixed by >>): fs/xattr.c:171: warning: Function parameter or member 'dentry' not described in '__vfs_setxattr_noperm' fs/xattr.c:171: warning: Function parameter or member 'name' not described in '__vfs_setxattr_noperm' fs/xattr.c:171: warning: Function parameter or member 'value' not described in '__vfs_setxattr_noperm' fs/xattr.c:171: warning: Function parameter or member 'size' not described in '__vfs_setxattr_noperm' fs/xattr.c:171: warning: Function parameter or member 'flags' not described in '__vfs_setxattr_noperm' >> fs/xattr.c:222: warning: Function parameter or member 'dentry' not described in '__vfs_setxattr_locked' >> fs/xattr.c:222: warning: Function parameter or member 'name' not described in '__vfs_setxattr_locked' >> fs/xattr.c:222: warning: Function parameter or member 'value' not described in '__vfs_setxattr_locked' >> fs/xattr.c:222: warning: Function parameter or member 'size' not described in '__vfs_setxattr_locked' >> fs/xattr.c:222: warning: Function parameter or member 'flags' not described in '__vfs_setxattr_locked' >> fs/xattr.c:222: warning: Function parameter or member 'delegated_inode' not described in '__vfs_setxattr_locked' >> fs/xattr.c:429: warning: Function parameter or member 'dentry' not described in '__vfs_removexattr_locked' >> fs/xattr.c:429: warning: Function parameter or member 'name' not described in '__vfs_removexattr_locked' >> fs/xattr.c:429: warning: Function parameter or member 'delegated_inode' not described in '__vfs_removexattr_locked' vim +222 fs/xattr.c b1ab7e4b2a88d3 David P. Quigley 2009-09-03 205 9f6e50a6f05d96 Frank van der Linden 2020-09-22 206 /** 9f6e50a6f05d96 Frank van der Linden 2020-09-22 207 * __vfs_setxattr_locked: set an extended attribute while holding the inode 9f6e50a6f05d96 Frank van der Linden 2020-09-22 208 * lock 9f6e50a6f05d96 Frank van der Linden 2020-09-22 209 * 9f6e50a6f05d96 Frank van der Linden 2020-09-22 210 * @dentry - object to perform setxattr on 9f6e50a6f05d96 Frank van der Linden 2020-09-22 211 * @name - xattr name to set 9f6e50a6f05d96 Frank van der Linden 2020-09-22 212 * @value - value to set @name to 9f6e50a6f05d96 Frank van der Linden 2020-09-22 213 * @size - size of @value 9f6e50a6f05d96 Frank van der Linden 2020-09-22 214 * @flags - flags to pass into filesystem operations 9f6e50a6f05d96 Frank van der Linden 2020-09-22 215 * @delegated_inode - on return, will contain an inode pointer that 9f6e50a6f05d96 Frank van der Linden 2020-09-22 216 * a delegation was broken on, NULL if none. 9f6e50a6f05d96 Frank van der Linden 2020-09-22 217 */ b1ab7e4b2a88d3 David P. Quigley 2009-09-03 218 int 9f6e50a6f05d96 Frank van der Linden 2020-09-22 219 __vfs_setxattr_locked(struct dentry *dentry, const char *name, 9f6e50a6f05d96 Frank van der Linden 2020-09-22 220 const void *value, size_t size, int flags, 9f6e50a6f05d96 Frank van der Linden 2020-09-22 221 struct inode **delegated_inode) b1ab7e4b2a88d3 David P. Quigley 2009-09-03 @222 { b1ab7e4b2a88d3 David P. Quigley 2009-09-03 223 struct inode *inode = dentry->d_inode; b1ab7e4b2a88d3 David P. Quigley 2009-09-03 224 int error; b1ab7e4b2a88d3 David P. Quigley 2009-09-03 225 b1ab7e4b2a88d3 David P. Quigley 2009-09-03 226 error = xattr_permission(inode, name, MAY_WRITE); b1ab7e4b2a88d3 David P. Quigley 2009-09-03 227 if (error) b1ab7e4b2a88d3 David P. Quigley 2009-09-03 228 return error; b1ab7e4b2a88d3 David P. Quigley 2009-09-03 229 b1ab7e4b2a88d3 David P. Quigley 2009-09-03 230 error = security_inode_setxattr(dentry, name, value, size, flags); b1ab7e4b2a88d3 David P. Quigley 2009-09-03 231 if (error) b1ab7e4b2a88d3 David P. Quigley 2009-09-03 232 goto out; b1ab7e4b2a88d3 David P. Quigley 2009-09-03 233 9f6e50a6f05d96 Frank van der Linden 2020-09-22 234 error = try_break_deleg(inode, delegated_inode); 9f6e50a6f05d96 Frank van der Linden 2020-09-22 235 if (error) 9f6e50a6f05d96 Frank van der Linden 2020-09-22 236 goto out; 9f6e50a6f05d96 Frank van der Linden 2020-09-22 237 b1ab7e4b2a88d3 David P. Quigley 2009-09-03 238 error = __vfs_setxattr_noperm(dentry, name, value, size, flags); b1ab7e4b2a88d3 David P. Quigley 2009-09-03 239 5be196e5f925da Christoph Hellwig 2006-01-09 240 out: 9f6e50a6f05d96 Frank van der Linden 2020-09-22 241 return error; 9f6e50a6f05d96 Frank van der Linden 2020-09-22 242 } 9f6e50a6f05d96 Frank van der Linden 2020-09-22 243 EXPORT_SYMBOL_GPL(__vfs_setxattr_locked); 9f6e50a6f05d96 Frank van der Linden 2020-09-22 244 :::::: The code at line 222 was first introduced by commit :::::: b1ab7e4b2a88d3ac13771463be8f302ce1616cfc VFS: Factor out part of vfs_setxattr so it can be called from the SELinux hook for inode_setsecctx. :::::: TO: David P. Quigley <dpquigl(a)tycho.nsa.gov> :::::: CC: James Morris <jmorris(a)namei.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[OLK-6.6 0/4] net: sched: Fix CVE-2025-37890
by Dong Chenchen 15 Aug '25

15 Aug '25

Fix CVE-2025-37890 Cong Wang (1): sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() Lion Ackermann (1): net/sched: Always pass notifications when child class becomes empty Pedro Tammela (1): net_sched: hfsc: Address reentrant enqueue adding class to eltree twice Victor Nogueira (1): net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc net/sched/sch_api.c | 19 +++++-------------- net/sched/sch_hfsc.c | 15 +++++++++++---- 2 files changed, 16 insertions(+), 18 deletions(-) -- 2.25.1

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[PATCH OLK-5.10 0/4] net: sched: Fix CVE-2025-37890
by Dong Chenchen 15 Aug '25

15 Aug '25

Fix CVE-2025-37890 Cong Wang (1): sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() Lion Ackermann (1): net/sched: Always pass notifications when child class becomes empty Pedro Tammela (1): net_sched: hfsc: Address reentrant enqueue adding class to eltree twice Victor Nogueira (1): net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc net/sched/sch_api.c | 19 +++++-------------- net/sched/sch_hfsc.c | 15 +++++++++++---- 2 files changed, 16 insertions(+), 18 deletions(-) -- 2.25.1

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