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-rc5 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/20250704170748.97632-3-wander%40redhat.com patch subject: [PATCH v3 2/2] tracing/preemptirq: Optimize preempt_disable/enable() tracepoint overhead config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250707/202507071800.ovim30fr-...@intel.com/config) compiler: m68k-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250707/202507071800.ovim30fr-...@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/202507071800.ovim30fr-...@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/irqflags.h:18, from arch/m68k/include/asm/atomic.h:6, 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/preempt.h:13, from arch/m68k/include/asm/processor.h:11, from include/linux/sched.h:13, from arch/m68k/kernel/asm-offsets.c:15: arch/m68k/include/asm/irqflags.h: In function 'arch_local_irq_enable': >> arch/m68k/include/asm/irqflags.h:44:29: error: implicit declaration of >> function 'hardirq_count' [-Wimplicit-function-declaration] 44 | if (MACH_IS_Q40 || !hardirq_count()) | ^~~~~~~~~~~~~ make[3]: *** [scripts/Makefile.build:98: arch/m68k/kernel/asm-offsets.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 +/hardirq_count +44 arch/m68k/include/asm/irqflags.h df9ee29270c11d David Howells 2010-10-07 31 df9ee29270c11d David Howells 2010-10-07 32 static inline void arch_local_irq_enable(void) df9ee29270c11d David Howells 2010-10-07 33 { df9ee29270c11d David Howells 2010-10-07 34 #if defined(CONFIG_COLDFIRE) df9ee29270c11d David Howells 2010-10-07 35 asm volatile ( df9ee29270c11d David Howells 2010-10-07 36 "move %/sr,%%d0 \n\t" df9ee29270c11d David Howells 2010-10-07 37 "andi.l #0xf8ff,%%d0 \n\t" df9ee29270c11d David Howells 2010-10-07 38 "move %%d0,%/sr \n" df9ee29270c11d David Howells 2010-10-07 39 : /* no outputs */ df9ee29270c11d David Howells 2010-10-07 40 : df9ee29270c11d David Howells 2010-10-07 41 : "cc", "%d0", "memory"); df9ee29270c11d David Howells 2010-10-07 42 #else df9ee29270c11d David Howells 2010-10-07 43 # if defined(CONFIG_MMU) df9ee29270c11d David Howells 2010-10-07 @44 if (MACH_IS_Q40 || !hardirq_count()) df9ee29270c11d David Howells 2010-10-07 45 # endif df9ee29270c11d David Howells 2010-10-07 46 asm volatile ( df9ee29270c11d David Howells 2010-10-07 47 "andiw %0,%%sr" df9ee29270c11d David Howells 2010-10-07 48 : df9ee29270c11d David Howells 2010-10-07 49 : "i" (ALLOWINT) df9ee29270c11d David Howells 2010-10-07 50 : "memory"); df9ee29270c11d David Howells 2010-10-07 51 #endif df9ee29270c11d David Howells 2010-10-07 52 } df9ee29270c11d David Howells 2010-10-07 53 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
