Hi Ben, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on openrisc/for-next jcmvbkbc-xtensa/xtensa-for-next v6.17-rc2 next-20250822] [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/Ben-Hutchings/nios2-openrisc-xtensa-Fix-definitions-of-bpf_user_pt_regs_t/20250822-220742 base: linus/master patch link: https://lore.kernel.org/r/20250822135848.1922288-1-ben.hutchings%40mind.be patch subject: [PATCH] nios2, openrisc, xtensa: Fix definitions of bpf_user_pt_regs_t config: xtensa-allyesconfig (https://download.01.org/0day-ci/archive/20250824/202508240726.GADEDNYH-lkp@xxxxxxxxx/config) compiler: xtensa-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250824/202508240726.GADEDNYH-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/202508240726.GADEDNYH-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): kernel/events/core.c: In function 'bpf_overflow_handler': >> kernel/events/core.c:10208:18: error: assignment to 'bpf_user_pt_regs_t *' {aka 'struct user_pt_regs *'} from incompatible pointer type 'struct pt_regs *' [-Wincompatible-pointer-types] 10208 | ctx.regs = perf_arch_bpf_user_pt_regs(regs); | ^ vim +10208 kernel/events/core.c 030a976efae83f Peter Zijlstra 2022-11-19 10195 4c03fe11b96bda Kyle Huey 2024-04-11 10196 #ifdef CONFIG_BPF_SYSCALL f11f10bfa1ca23 Kyle Huey 2024-04-11 10197 static int bpf_overflow_handler(struct perf_event *event, 4c03fe11b96bda Kyle Huey 2024-04-11 10198 struct perf_sample_data *data, 4c03fe11b96bda Kyle Huey 2024-04-11 10199 struct pt_regs *regs) 4c03fe11b96bda Kyle Huey 2024-04-11 10200 { 4c03fe11b96bda Kyle Huey 2024-04-11 10201 struct bpf_perf_event_data_kern ctx = { 4c03fe11b96bda Kyle Huey 2024-04-11 10202 .data = data, 4c03fe11b96bda Kyle Huey 2024-04-11 10203 .event = event, 4c03fe11b96bda Kyle Huey 2024-04-11 10204 }; 4c03fe11b96bda Kyle Huey 2024-04-11 10205 struct bpf_prog *prog; 4c03fe11b96bda Kyle Huey 2024-04-11 10206 int ret = 0; 4c03fe11b96bda Kyle Huey 2024-04-11 10207 4c03fe11b96bda Kyle Huey 2024-04-11 @10208 ctx.regs = perf_arch_bpf_user_pt_regs(regs); 4c03fe11b96bda Kyle Huey 2024-04-11 10209 if (unlikely(__this_cpu_inc_return(bpf_prog_active) != 1)) 4c03fe11b96bda Kyle Huey 2024-04-11 10210 goto out; 4c03fe11b96bda Kyle Huey 2024-04-11 10211 rcu_read_lock(); 4c03fe11b96bda Kyle Huey 2024-04-11 10212 prog = READ_ONCE(event->prog); 4c03fe11b96bda Kyle Huey 2024-04-11 10213 if (prog) { 4c03fe11b96bda Kyle Huey 2024-04-11 10214 perf_prepare_sample(data, event, regs); 4c03fe11b96bda Kyle Huey 2024-04-11 10215 ret = bpf_prog_run(prog, &ctx); 4c03fe11b96bda Kyle Huey 2024-04-11 10216 } 4c03fe11b96bda Kyle Huey 2024-04-11 10217 rcu_read_unlock(); 4c03fe11b96bda Kyle Huey 2024-04-11 10218 out: 4c03fe11b96bda Kyle Huey 2024-04-11 10219 __this_cpu_dec(bpf_prog_active); 4c03fe11b96bda Kyle Huey 2024-04-11 10220 f11f10bfa1ca23 Kyle Huey 2024-04-11 10221 return ret; 4c03fe11b96bda Kyle Huey 2024-04-11 10222 } 4c03fe11b96bda Kyle Huey 2024-04-11 10223 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
