Hi Eliav, kernel test robot noticed the following build errors: [auto build test ERROR on powerpc/next] [also build test ERROR on powerpc/fixes tip/irq/core arm64/for-next/core linus/master v6.12 next-20241128] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Eliav-Farber/kexec-Consolidate-machine_kexec_mask_interrupts-implementation/20241129-041259 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next patch link: https://lore.kernel.org/r/20241128201027.10396-2-farbere%40amazon.com patch subject: [PATCH v3 1/2] kexec: Consolidate machine_kexec_mask_interrupts() implementation config: x86_64-kexec (https://download.01.org/0day-ci/archive/20241129/202411291225.18ZMjZcQ-lkp@xxxxxxxxx/config) 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/20241129/202411291225.18ZMjZcQ-lkp@xxxxxxxxx/reproduce) 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202411291225.18ZMjZcQ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from kernel/kexec_core.c:9: In file included from include/linux/btf.h:8: In file included from include/linux/bpfptr.h:6: In file included from include/linux/mm.h:2223: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> kernel/kexec_core.c:1085:10: error: call to undeclared function 'irq_desc_get_chip'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1085 | chip = irq_desc_get_chip(desc); | ^ >> kernel/kexec_core.c:1085:8: error: incompatible integer to pointer conversion assigning to 'struct irq_chip *' from 'int' [-Wint-conversion] 1085 | chip = irq_desc_get_chip(desc); | ^ ~~~~~~~~~~~~~~~~~~~~~~~ >> kernel/kexec_core.c:1097:24: error: incomplete definition of type 'struct irq_chip' 1097 | if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data)) | ~~~~^ kernel/kexec_core.c:1082:10: note: forward declaration of 'struct irq_chip' 1082 | struct irq_chip *chip; | ^ >> kernel/kexec_core.c:1097:37: error: call to undeclared function 'irqd_irq_inprogress'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1097 | if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data)) | ^ >> kernel/kexec_core.c:1097:62: error: incomplete definition of type 'struct irq_desc' 1097 | if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data)) | ~~~~^ include/linux/irqnr.h:10:15: note: forward declaration of 'struct irq_desc' 10 | extern struct irq_desc *irq_to_desc(unsigned int irq); | ^ kernel/kexec_core.c:1098:8: error: incomplete definition of type 'struct irq_chip' 1098 | chip->irq_eoi(&desc->irq_data); | ~~~~^ kernel/kexec_core.c:1082:10: note: forward declaration of 'struct irq_chip' 1082 | struct irq_chip *chip; | ^ kernel/kexec_core.c:1098:23: error: incomplete definition of type 'struct irq_desc' 1098 | chip->irq_eoi(&desc->irq_data); | ~~~~^ include/linux/irqnr.h:10:15: note: forward declaration of 'struct irq_desc' 10 | extern struct irq_desc *irq_to_desc(unsigned int irq); | ^ kernel/kexec_core.c:1100:11: error: incomplete definition of type 'struct irq_chip' 1100 | if (chip->irq_mask) | ~~~~^ kernel/kexec_core.c:1082:10: note: forward declaration of 'struct irq_chip' 1082 | struct irq_chip *chip; | ^ kernel/kexec_core.c:1101:8: error: incomplete definition of type 'struct irq_chip' 1101 | chip->irq_mask(&desc->irq_data); | ~~~~^ kernel/kexec_core.c:1082:10: note: forward declaration of 'struct irq_chip' 1082 | struct irq_chip *chip; | ^ kernel/kexec_core.c:1101:24: error: incomplete definition of type 'struct irq_desc' 1101 | chip->irq_mask(&desc->irq_data); | ~~~~^ include/linux/irqnr.h:10:15: note: forward declaration of 'struct irq_desc' 10 | extern struct irq_desc *irq_to_desc(unsigned int irq); | ^ kernel/kexec_core.c:1103:11: error: incomplete definition of type 'struct irq_chip' 1103 | if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data)) | ~~~~^ kernel/kexec_core.c:1082:10: note: forward declaration of 'struct irq_chip' 1082 | struct irq_chip *chip; | ^ kernel/kexec_core.c:1103:29: error: call to undeclared function 'irqd_irq_disabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1103 | if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data)) | ^ kernel/kexec_core.c:1103:29: note: did you mean 'arch_irqs_disabled'? arch/x86/include/asm/irqflags.h:145:28: note: 'arch_irqs_disabled' declared here 145 | static __always_inline int arch_irqs_disabled(void) | ^ kernel/kexec_core.c:1103:52: error: incomplete definition of type 'struct irq_desc' 1103 | if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data)) | ~~~~^ include/linux/irqnr.h:10:15: note: forward declaration of 'struct irq_desc' 10 | extern struct irq_desc *irq_to_desc(unsigned int irq); | ^ kernel/kexec_core.c:1104:8: error: incomplete definition of type 'struct irq_chip' 1104 | chip->irq_disable(&desc->irq_data); | ~~~~^ kernel/kexec_core.c:1082:10: note: forward declaration of 'struct irq_chip' 1082 | struct irq_chip *chip; | ^ kernel/kexec_core.c:1104:27: error: incomplete definition of type 'struct irq_desc' 1104 | chip->irq_disable(&desc->irq_data); | ~~~~^ include/linux/irqnr.h:10:15: note: forward declaration of 'struct irq_desc' 10 | extern struct irq_desc *irq_to_desc(unsigned int irq); | ^ 4 warnings and 15 errors generated. vim +/irq_desc_get_chip +1085 kernel/kexec_core.c 1075 1076 void machine_kexec_mask_interrupts(void) 1077 { 1078 unsigned int i; 1079 struct irq_desc *desc; 1080 1081 for_each_irq_desc(i, desc) { 1082 struct irq_chip *chip; 1083 int check_eoi = 1; 1084 > 1085 chip = irq_desc_get_chip(desc); 1086 if (!chip) 1087 continue; 1088 1089 if (IS_ENABLED(CONFIG_ARM64)) { 1090 /* 1091 * First try to remove the active state. If this fails, try to EOI the 1092 * interrupt. 1093 */ 1094 check_eoi = irq_set_irqchip_state(i, IRQCHIP_STATE_ACTIVE, false); 1095 } 1096 > 1097 if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data)) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki