Hi Wander, kernel test robot noticed the following build errors:
[auto build test ERROR on trace/for-next] [also build test ERROR on tip/sched/core linus/master v6.16-rc4 next-20250701] [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/Wander-Lairson-Costa/trace-preemptirq-reduce-overhead-of-irq_enable-disable-tracepoints/20250701-035446 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/20250630195243.701516-2-wander%40redhat.com patch subject: [PATCH v2 1/2] trace/preemptirq: reduce overhead of irq_enable/disable tracepoints config: arm-randconfig-004-20250701 (https://download.01.org/0day-ci/archive/20250701/202507011949.4wad2fih-...@intel.com/config) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project e04c938cc08a90ae60440ce22d072ebc69d67ee8) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250701/202507011949.4wad2fih-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507011949.4wad2fih-...@intel.com/ All errors (new ones prefixed by >>): In file included from kernel/bounds.c:13: In file included from include/linux/log2.h:12: In file included from include/linux/bitops.h:68: In file included from arch/arm/include/asm/bitops.h:28: In file included from include/linux/irqflags.h:20: In file included from include/linux/tracepoint-defs.h:11: In file included from include/linux/atomic.h:7: In file included from arch/arm/include/asm/atomic.h:16: In file included from arch/arm/include/asm/cmpxchg.h:124: include/asm-generic/cmpxchg-local.h:26:2: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 26 | raw_local_irq_save(flags); | ^ include/asm-generic/cmpxchg-local.h:26:2: note: did you mean 'arch_local_irq_save'? arch/arm/include/asm/irqflags.h:72:29: note: 'arch_local_irq_save' declared here 72 | static inline unsigned long arch_local_irq_save(void) | ^ arch/arm/include/asm/irqflags.h:71:29: note: expanded from macro 'arch_local_irq_save' 71 | #define arch_local_irq_save arch_local_irq_save | ^ In file included from kernel/bounds.c:13: In file included from include/linux/log2.h:12: In file included from include/linux/bitops.h:68: In file included from arch/arm/include/asm/bitops.h:28: In file included from include/linux/irqflags.h:20: In file included from include/linux/tracepoint-defs.h:11: In file included from include/linux/atomic.h:7: In file included from arch/arm/include/asm/atomic.h:16: In file included from arch/arm/include/asm/cmpxchg.h:124: include/asm-generic/cmpxchg-local.h:47:2: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 47 | raw_local_irq_restore(flags); | ^ include/asm-generic/cmpxchg-local.h:47:2: note: did you mean 'arch_local_irq_restore'? arch/arm/include/asm/irqflags.h:169:20: note: 'arch_local_irq_restore' declared here 169 | static inline void arch_local_irq_restore(unsigned long flags) | ^ arch/arm/include/asm/irqflags.h:168:32: note: expanded from macro 'arch_local_irq_restore' 168 | #define arch_local_irq_restore arch_local_irq_restore | ^ In file included from kernel/bounds.c:13: In file included from include/linux/log2.h:12: In file included from include/linux/bitops.h:68: In file included from arch/arm/include/asm/bitops.h:28: In file included from include/linux/irqflags.h:20: In file included from include/linux/tracepoint-defs.h:11: In file included from include/linux/atomic.h:7: In file included from arch/arm/include/asm/atomic.h:16: In file included from arch/arm/include/asm/cmpxchg.h:124: include/asm-generic/cmpxchg-local.h:60:2: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 60 | raw_local_irq_save(flags); | ^ include/asm-generic/cmpxchg-local.h:64:2: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 64 | raw_local_irq_restore(flags); | ^ In file included from kernel/bounds.c:13: In file included from include/linux/log2.h:12: In file included from include/linux/bitops.h:68: In file included from arch/arm/include/asm/bitops.h:28: In file included from include/linux/irqflags.h:20: In file included from include/linux/tracepoint-defs.h:11: In file included from include/linux/atomic.h:7: In file included from arch/arm/include/asm/atomic.h:16: In file included from arch/arm/include/asm/cmpxchg.h:148: >> include/asm-generic/cmpxchg.h:33:3: error: call to undeclared function >> 'local_irq_save'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 33 | local_irq_save(flags); | ^ >> include/asm-generic/cmpxchg.h:36:3: error: call to undeclared function >> 'local_irq_restore'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 36 | local_irq_restore(flags); | ^ In file included from kernel/bounds.c:13: In file included from include/linux/log2.h:12: In file included from include/linux/bitops.h:68: In file included from arch/arm/include/asm/bitops.h:28: In file included from include/linux/irqflags.h:20: In file included from include/linux/tracepoint-defs.h:11: In file included from include/linux/atomic.h:7: >> arch/arm/include/asm/atomic.h:215:2: error: call to undeclared function >> 'raw_local_irq_save'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 215 | raw_local_irq_save(flags); | ^ >> arch/arm/include/asm/atomic.h:219:2: error: call to undeclared function >> 'raw_local_irq_restore'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 219 | raw_local_irq_restore(flags); | ^ arch/arm/include/asm/atomic.h:232:1: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 232 | ATOMIC_OPS(add, +=, add) | ^ arch/arm/include/asm/atomic.h:228:2: note: expanded from macro 'ATOMIC_OPS' 228 | ATOMIC_OP(op, c_op, asm_op) \ | ^ arch/arm/include/asm/atomic.h:167:2: note: expanded from macro 'ATOMIC_OP' 167 | raw_local_irq_save(flags); \ | ^ arch/arm/include/asm/atomic.h:232:1: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] arch/arm/include/asm/atomic.h:228:2: note: expanded from macro 'ATOMIC_OPS' 228 | ATOMIC_OP(op, c_op, asm_op) \ | ^ arch/arm/include/asm/atomic.h:169:2: note: expanded from macro 'ATOMIC_OP' 169 | raw_local_irq_restore(flags); \ | ^ arch/arm/include/asm/atomic.h:232:1: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] arch/arm/include/asm/atomic.h:229:2: note: expanded from macro 'ATOMIC_OPS' 229 | ATOMIC_OP_RETURN(op, c_op, asm_op) \ | ^ arch/arm/include/asm/atomic.h:178:2: note: expanded from macro 'ATOMIC_OP_RETURN' 178 | raw_local_irq_save(flags); \ | ^ arch/arm/include/asm/atomic.h:232:1: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] arch/arm/include/asm/atomic.h:229:2: note: expanded from macro 'ATOMIC_OPS' 229 | ATOMIC_OP_RETURN(op, c_op, asm_op) \ | ^ arch/arm/include/asm/atomic.h:181:2: note: expanded from macro 'ATOMIC_OP_RETURN' 181 | raw_local_irq_restore(flags); \ | ^ arch/arm/include/asm/atomic.h:232:1: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] arch/arm/include/asm/atomic.h:230:2: note: expanded from macro 'ATOMIC_OPS' 230 | ATOMIC_FETCH_OP(op, c_op, asm_op) | ^ arch/arm/include/asm/atomic.h:192:2: note: expanded from macro 'ATOMIC_FETCH_OP' 192 | raw_local_irq_save(flags); \ | ^ arch/arm/include/asm/atomic.h:232:1: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] arch/arm/include/asm/atomic.h:230:2: note: expanded from macro 'ATOMIC_OPS' 230 | ATOMIC_FETCH_OP(op, c_op, asm_op) | ^ arch/arm/include/asm/atomic.h:195:2: note: expanded from macro 'ATOMIC_FETCH_OP' 195 | raw_local_irq_restore(flags); \ | ^ arch/arm/include/asm/atomic.h:233:1: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 233 | ATOMIC_OPS(sub, -=, sub) | ^ arch/arm/include/asm/atomic.h:228:2: note: expanded from macro 'ATOMIC_OPS' 228 | ATOMIC_OP(op, c_op, asm_op) \ | ^ arch/arm/include/asm/atomic.h:167:2: note: expanded from macro 'ATOMIC_OP' 167 | raw_local_irq_save(flags); \ | ^ arch/arm/include/asm/atomic.h:233:1: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] arch/arm/include/asm/atomic.h:228:2: note: expanded from macro 'ATOMIC_OPS' 228 | ATOMIC_OP(op, c_op, asm_op) \ | ^ arch/arm/include/asm/atomic.h:169:2: note: expanded from macro 'ATOMIC_OP' 169 | raw_local_irq_restore(flags); \ | ^ arch/arm/include/asm/atomic.h:233:1: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] arch/arm/include/asm/atomic.h:229:2: note: expanded from macro 'ATOMIC_OPS' 229 | ATOMIC_OP_RETURN(op, c_op, asm_op) \ | ^ arch/arm/include/asm/atomic.h:178:2: note: expanded from macro 'ATOMIC_OP_RETURN' 178 | raw_local_irq_save(flags); \ | ^ arch/arm/include/asm/atomic.h:233:1: error: call to undeclared function 'raw_local_irq_restore'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] arch/arm/include/asm/atomic.h:229:2: note: expanded from macro 'ATOMIC_OPS' 229 | ATOMIC_OP_RETURN(op, c_op, asm_op) \ | ^ arch/arm/include/asm/atomic.h:181:2: note: expanded from macro 'ATOMIC_OP_RETURN' 181 | raw_local_irq_restore(flags); \ | ^ arch/arm/include/asm/atomic.h:233:1: error: call to undeclared function 'raw_local_irq_save'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] arch/arm/include/asm/atomic.h:230:2: note: expanded from macro 'ATOMIC_OPS' 230 | ATOMIC_FETCH_OP(op, c_op, asm_op) | ^ arch/arm/include/asm/atomic.h:192:2: note: expanded from macro 'ATOMIC_FETCH_OP' 192 | raw_local_irq_save(flags); \ | ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. make[3]: *** [scripts/Makefile.build:98: kernel/bounds.s] Error 1 shuffle=3679043308 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1274: prepare0] Error 2 shuffle=3679043308 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=3679043308 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:248: __sub-make] Error 2 shuffle=3679043308 make: Target 'prepare' not remade because of errors. vim +/local_irq_save +33 include/asm-generic/cmpxchg.h b4816afa398670 David Howells 2012-03-28 22 b4816afa398670 David Howells 2012-03-28 23 static inline 82b993e8249ae3 Mark Rutland 2021-05-25 24 unsigned long __generic_xchg(unsigned long x, volatile void *ptr, int size) b4816afa398670 David Howells 2012-03-28 25 { b4816afa398670 David Howells 2012-03-28 26 unsigned long ret, flags; b4816afa398670 David Howells 2012-03-28 27 b4816afa398670 David Howells 2012-03-28 28 switch (size) { b4816afa398670 David Howells 2012-03-28 29 case 1: b4816afa398670 David Howells 2012-03-28 30 #ifdef __xchg_u8 b4816afa398670 David Howells 2012-03-28 31 return __xchg_u8(x, ptr); b4816afa398670 David Howells 2012-03-28 32 #else b4816afa398670 David Howells 2012-03-28 @33 local_irq_save(flags); b4816afa398670 David Howells 2012-03-28 34 ret = *(volatile u8 *)ptr; 656e9007ef5862 Arnd Bergmann 2023-03-02 35 *(volatile u8 *)ptr = (x & 0xffu); b4816afa398670 David Howells 2012-03-28 @36 local_irq_restore(flags); b4816afa398670 David Howells 2012-03-28 37 return ret; b4816afa398670 David Howells 2012-03-28 38 #endif /* __xchg_u8 */ b4816afa398670 David Howells 2012-03-28 39 b4816afa398670 David Howells 2012-03-28 40 case 2: b4816afa398670 David Howells 2012-03-28 41 #ifdef __xchg_u16 b4816afa398670 David Howells 2012-03-28 42 return __xchg_u16(x, ptr); b4816afa398670 David Howells 2012-03-28 43 #else b4816afa398670 David Howells 2012-03-28 44 local_irq_save(flags); b4816afa398670 David Howells 2012-03-28 45 ret = *(volatile u16 *)ptr; 656e9007ef5862 Arnd Bergmann 2023-03-02 46 *(volatile u16 *)ptr = (x & 0xffffu); b4816afa398670 David Howells 2012-03-28 47 local_irq_restore(flags); b4816afa398670 David Howells 2012-03-28 48 return ret; b4816afa398670 David Howells 2012-03-28 49 #endif /* __xchg_u16 */ b4816afa398670 David Howells 2012-03-28 50 b4816afa398670 David Howells 2012-03-28 51 case 4: b4816afa398670 David Howells 2012-03-28 52 #ifdef __xchg_u32 b4816afa398670 David Howells 2012-03-28 53 return __xchg_u32(x, ptr); b4816afa398670 David Howells 2012-03-28 54 #else b4816afa398670 David Howells 2012-03-28 55 local_irq_save(flags); b4816afa398670 David Howells 2012-03-28 56 ret = *(volatile u32 *)ptr; 656e9007ef5862 Arnd Bergmann 2023-03-02 57 *(volatile u32 *)ptr = (x & 0xffffffffu); b4816afa398670 David Howells 2012-03-28 58 local_irq_restore(flags); b4816afa398670 David Howells 2012-03-28 59 return ret; b4816afa398670 David Howells 2012-03-28 60 #endif /* __xchg_u32 */ b4816afa398670 David Howells 2012-03-28 61 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
