tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/core head: a7560340a5a83514ad5117aec2c770956e1813f3 commit: aab8cdf010eb30b0214da37cb770b4f965637a97 [5/6] perf: Rewrite core context handling config: s390-allmodconfig compiler: s390-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=aab8cdf010eb30b0214da37cb770b4f965637a97 git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue perf/core git checkout aab8cdf010eb30b0214da37cb770b4f965637a97 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash arch/s390/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): >> arch/s390/kernel/perf_pai_ext.c:533:25: error: initialization of 'void (*)(struct perf_event_pmu_context *, bool)' {aka 'void (*)(struct perf_event_pmu_context *, _Bool)'} from incompatible pointer type 'void (*)(struct perf_event_context *, bool)' {aka 'void (*)(struct perf_event_context *, _Bool)'} [-Werror=incompatible-pointer-types] 533 | .sched_task = paiext_sched_task, | ^~~~~~~~~~~~~~~~~ arch/s390/kernel/perf_pai_ext.c:533:25: note: (near initialization for 'paiext.sched_task') cc1: some warnings being treated as errors vim +533 arch/s390/kernel/perf_pai_ext.c c432fefe8e6262b Thomas Richter 2022-06-30 523 c432fefe8e6262b Thomas Richter 2022-06-30 524 /* Performance monitoring unit for mapped counters */ c432fefe8e6262b Thomas Richter 2022-06-30 525 static struct pmu paiext = { c432fefe8e6262b Thomas Richter 2022-06-30 526 .task_ctx_nr = perf_invalid_context, c432fefe8e6262b Thomas Richter 2022-06-30 527 .event_init = paiext_event_init, c432fefe8e6262b Thomas Richter 2022-06-30 528 .add = paiext_add, c432fefe8e6262b Thomas Richter 2022-06-30 529 .del = paiext_del, c432fefe8e6262b Thomas Richter 2022-06-30 530 .start = paiext_start, c432fefe8e6262b Thomas Richter 2022-06-30 531 .stop = paiext_stop, c432fefe8e6262b Thomas Richter 2022-06-30 532 .read = paiext_read, c432fefe8e6262b Thomas Richter 2022-06-30 @533 .sched_task = paiext_sched_task, c432fefe8e6262b Thomas Richter 2022-06-30 534 .attr_groups = paiext_attr_groups, c432fefe8e6262b Thomas Richter 2022-06-30 535 }; c432fefe8e6262b Thomas Richter 2022-06-30 536 :::::: The code at line 533 was first introduced by commit :::::: c432fefe8e6262bf3d288ab82d006cfafa78a139 s390/pai: Add support for PAI Extension 1 NNPA counters :::::: TO: Thomas Richter :::::: CC: Vasily Gorbik -- 0-DAY CI Kernel Test Service https://01.org/lkp