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-20250704] [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/20250705-011058 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/20250704170748.97632-2-wander%40redhat.com patch subject: [PATCH v3 1/2] trace/preemptirq: reduce overhead of irq_enable/disable tracepoints config: nios2-randconfig-r123-20250706 (https://download.01.org/0day-ci/archive/20250706/202507061226.y7g5ebuq-...@intel.com/config) compiler: nios2-linux-gcc (GCC) 8.5.0 reproduce: (https://download.01.org/0day-ci/archive/20250706/202507061226.y7g5ebuq-...@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/202507061226.y7g5ebuq-...@intel.com/ All errors (new ones prefixed by >>): In file included from ./arch/nios2/include/generated/asm/cmpxchg.h:1, from include/asm-generic/atomic.h:12, from ./arch/nios2/include/generated/asm/atomic.h:1, from include/linux/atomic.h:7, from include/linux/jump_label.h:257, from include/linux/static_key.h:1, from include/linux/tracepoint-defs.h:11, from include/linux/irqflags.h:20, from include/asm-generic/bitops.h:14, from ./arch/nios2/include/generated/asm/bitops.h:1, from include/linux/bitops.h:68, from include/linux/log2.h:12, from kernel/bounds.c:13: include/asm-generic/cmpxchg.h: In function '__generic_xchg': >> include/asm-generic/cmpxchg.h:33:3: error: implicit declaration of function >> 'local_irq_save'; did you mean 'arch_local_irq_save'? >> [-Werror=implicit-function-declaration] local_irq_save(flags); ^~~~~~~~~~~~~~ arch_local_irq_save >> include/asm-generic/cmpxchg.h:36:3: error: implicit declaration of function >> 'local_irq_restore'; did you mean 'arch_local_irq_restore'? >> [-Werror=implicit-function-declaration] local_irq_restore(flags); ^~~~~~~~~~~~~~~~~ arch_local_irq_restore In file included from include/asm-generic/cmpxchg.h:89, from ./arch/nios2/include/generated/asm/cmpxchg.h:1, from include/asm-generic/atomic.h:12, from ./arch/nios2/include/generated/asm/atomic.h:1, from include/linux/atomic.h:7, from include/linux/jump_label.h:257, from include/linux/static_key.h:1, from include/linux/tracepoint-defs.h:11, from include/linux/irqflags.h:20, from include/asm-generic/bitops.h:14, from ./arch/nios2/include/generated/asm/bitops.h:1, from include/linux/bitops.h:68, from include/linux/log2.h:12, from kernel/bounds.c:13: include/asm-generic/cmpxchg-local.h: In function '__generic_cmpxchg_local': >> include/asm-generic/cmpxchg-local.h:26:2: error: implicit declaration of >> function 'raw_local_irq_save'; did you mean 'arch_local_irq_save'? >> [-Werror=implicit-function-declaration] raw_local_irq_save(flags); ^~~~~~~~~~~~~~~~~~ arch_local_irq_save >> include/asm-generic/cmpxchg-local.h:47:2: error: implicit declaration of >> function 'raw_local_irq_restore'; did you mean 'arch_local_irq_restore'? >> [-Werror=implicit-function-declaration] raw_local_irq_restore(flags); ^~~~~~~~~~~~~~~~~~~~~ arch_local_irq_restore cc1: some warnings being treated as errors make[3]: *** [scripts/Makefile.build:98: kernel/bounds.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1274: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:248: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:248: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +33 include/asm-generic/cmpxchg.h b4816afa3986704 David Howells 2012-03-28 22 b4816afa3986704 David Howells 2012-03-28 23 static inline 82b993e8249ae3c Mark Rutland 2021-05-25 24 unsigned long __generic_xchg(unsigned long x, volatile void *ptr, int size) b4816afa3986704 David Howells 2012-03-28 25 { b4816afa3986704 David Howells 2012-03-28 26 unsigned long ret, flags; b4816afa3986704 David Howells 2012-03-28 27 b4816afa3986704 David Howells 2012-03-28 28 switch (size) { b4816afa3986704 David Howells 2012-03-28 29 case 1: b4816afa3986704 David Howells 2012-03-28 30 #ifdef __xchg_u8 b4816afa3986704 David Howells 2012-03-28 31 return __xchg_u8(x, ptr); b4816afa3986704 David Howells 2012-03-28 32 #else b4816afa3986704 David Howells 2012-03-28 @33 local_irq_save(flags); b4816afa3986704 David Howells 2012-03-28 34 ret = *(volatile u8 *)ptr; 656e9007ef58627 Arnd Bergmann 2023-03-02 35 *(volatile u8 *)ptr = (x & 0xffu); b4816afa3986704 David Howells 2012-03-28 @36 local_irq_restore(flags); b4816afa3986704 David Howells 2012-03-28 37 return ret; b4816afa3986704 David Howells 2012-03-28 38 #endif /* __xchg_u8 */ b4816afa3986704 David Howells 2012-03-28 39 b4816afa3986704 David Howells 2012-03-28 40 case 2: b4816afa3986704 David Howells 2012-03-28 41 #ifdef __xchg_u16 b4816afa3986704 David Howells 2012-03-28 42 return __xchg_u16(x, ptr); b4816afa3986704 David Howells 2012-03-28 43 #else b4816afa3986704 David Howells 2012-03-28 44 local_irq_save(flags); b4816afa3986704 David Howells 2012-03-28 45 ret = *(volatile u16 *)ptr; 656e9007ef58627 Arnd Bergmann 2023-03-02 46 *(volatile u16 *)ptr = (x & 0xffffu); b4816afa3986704 David Howells 2012-03-28 47 local_irq_restore(flags); b4816afa3986704 David Howells 2012-03-28 48 return ret; b4816afa3986704 David Howells 2012-03-28 49 #endif /* __xchg_u16 */ b4816afa3986704 David Howells 2012-03-28 50 b4816afa3986704 David Howells 2012-03-28 51 case 4: b4816afa3986704 David Howells 2012-03-28 52 #ifdef __xchg_u32 b4816afa3986704 David Howells 2012-03-28 53 return __xchg_u32(x, ptr); b4816afa3986704 David Howells 2012-03-28 54 #else b4816afa3986704 David Howells 2012-03-28 55 local_irq_save(flags); b4816afa3986704 David Howells 2012-03-28 56 ret = *(volatile u32 *)ptr; 656e9007ef58627 Arnd Bergmann 2023-03-02 57 *(volatile u32 *)ptr = (x & 0xffffffffu); b4816afa3986704 David Howells 2012-03-28 58 local_irq_restore(flags); b4816afa3986704 David Howells 2012-03-28 59 return ret; b4816afa3986704 David Howells 2012-03-28 60 #endif /* __xchg_u32 */ b4816afa3986704 David Howells 2012-03-28 61 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
