tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: aae703b02f92bde9264366c545e87cec451de471 commit: f3c0eba287049237b23d1300376768293eb89e69 perf: Add a few assertions date: 6 weeks ago config: loongarch-randconfig-s043-20221018 compiler: loongarch64-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f3c0eba287049237b23d1300376768293eb89e69 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout f3c0eba287049237b23d1300376768293eb89e69 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/gpu/drm/tiny/ drivers/leds/flash/ drivers/perf/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: expected void *ptr drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: expected void *ptr drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: expected void *ptr drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: expected void *ptr drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: expected void *ptr drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: got int [noderef] __percpu * >> drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: expected void *ptr drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: got int [noderef] __percpu * >> drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: expected void *ptr drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: got int [noderef] __percpu * >> drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: expected void *ptr drivers/perf/arm_smmuv3_pmu.c:403:9: sparse: got int [noderef] __percpu * drivers/perf/arm_smmuv3_pmu.c: note: in included file (through arch/loongarch/include/asm/io.h, arch/loongarch/include/asm/pgtable.h, arch/loongarch/include/asm/uaccess.h, ...): include/asm-generic/io.h:239:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:239:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:290:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:290:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:290:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:290:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:290:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:290:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:290:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:290:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:290:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:290:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:290:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:290:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:290:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:290:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:290:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:239:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:290:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:290:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:290:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:389:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:389:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:389:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:379:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:379:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:379:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:379:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:379:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:379:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:389:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:389:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:389:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:389:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:389:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:389:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:389:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:389:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:389:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:389:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] value @@ got restricted __le64 [usertype] @@ include/asm-generic/io.h:389:22: sparse: expected unsigned long long [usertype] value include/asm-generic/io.h:389:22: sparse: got restricted __le64 [usertype] include/asm-generic/io.h:335:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:335:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:348:15: sparse: sparse: cast to restricted __le64 include/asm-generic/io.h:348:15: sparse: sparse: cast to restricted __le64 -- >> drivers/perf/arm_dmc620_pmu.c:524:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm_dmc620_pmu.c:524:9: sparse: expected void *ptr drivers/perf/arm_dmc620_pmu.c:524:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm_dmc620_pmu.c:524:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm_dmc620_pmu.c:524:9: sparse: expected void *ptr drivers/perf/arm_dmc620_pmu.c:524:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm_dmc620_pmu.c:524:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm_dmc620_pmu.c:524:9: sparse: expected void *ptr drivers/perf/arm_dmc620_pmu.c:524:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm_dmc620_pmu.c:524:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm_dmc620_pmu.c:524:9: sparse: expected void *ptr drivers/perf/arm_dmc620_pmu.c:524:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm_dmc620_pmu.c:524:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm_dmc620_pmu.c:524:9: sparse: expected void *ptr drivers/perf/arm_dmc620_pmu.c:524:9: sparse: got int [noderef] __percpu * >> drivers/perf/arm_dmc620_pmu.c:524:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm_dmc620_pmu.c:524:9: sparse: expected void *ptr drivers/perf/arm_dmc620_pmu.c:524:9: sparse: got int [noderef] __percpu * >> drivers/perf/arm_dmc620_pmu.c:524:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm_dmc620_pmu.c:524:9: sparse: expected void *ptr drivers/perf/arm_dmc620_pmu.c:524:9: sparse: got int [noderef] __percpu * >> drivers/perf/arm_dmc620_pmu.c:524:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm_dmc620_pmu.c:524:9: sparse: expected void *ptr drivers/perf/arm_dmc620_pmu.c:524:9: sparse: got int [noderef] __percpu * -- >> drivers/perf/xgene_pmu.c:935:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/xgene_pmu.c:935:9: sparse: expected void *ptr drivers/perf/xgene_pmu.c:935:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/xgene_pmu.c:935:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/xgene_pmu.c:935:9: sparse: expected void *ptr drivers/perf/xgene_pmu.c:935:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/xgene_pmu.c:935:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/xgene_pmu.c:935:9: sparse: expected void *ptr drivers/perf/xgene_pmu.c:935:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/xgene_pmu.c:935:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/xgene_pmu.c:935:9: sparse: expected void *ptr drivers/perf/xgene_pmu.c:935:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/xgene_pmu.c:935:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/xgene_pmu.c:935:9: sparse: expected void *ptr drivers/perf/xgene_pmu.c:935:9: sparse: got int [noderef] __percpu * >> drivers/perf/xgene_pmu.c:935:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/xgene_pmu.c:935:9: sparse: expected void *ptr drivers/perf/xgene_pmu.c:935:9: sparse: got int [noderef] __percpu * >> drivers/perf/xgene_pmu.c:935:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/xgene_pmu.c:935:9: sparse: expected void *ptr drivers/perf/xgene_pmu.c:935:9: sparse: got int [noderef] __percpu * >> drivers/perf/xgene_pmu.c:935:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/xgene_pmu.c:935:9: sparse: expected void *ptr drivers/perf/xgene_pmu.c:935:9: sparse: got int [noderef] __percpu * vim +403 drivers/perf/arm_smmuv3_pmu.c 3c9347351a6ea1 Robin Murphy 2019-08-01 358 7d839b4b9e0064 Neil Leeder 2019-03-26 359 /* 7d839b4b9e0064 Neil Leeder 2019-03-26 360 * Implementation of abstract pmu functionality required by 7d839b4b9e0064 Neil Leeder 2019-03-26 361 * the core perf events code. 7d839b4b9e0064 Neil Leeder 2019-03-26 362 */ 7d839b4b9e0064 Neil Leeder 2019-03-26 363 7d839b4b9e0064 Neil Leeder 2019-03-26 364 static int smmu_pmu_event_init(struct perf_event *event) 7d839b4b9e0064 Neil Leeder 2019-03-26 365 { 7d839b4b9e0064 Neil Leeder 2019-03-26 366 struct hw_perf_event *hwc = &event->hw; 7d839b4b9e0064 Neil Leeder 2019-03-26 367 struct smmu_pmu *smmu_pmu = to_smmu_pmu(event->pmu); 7d839b4b9e0064 Neil Leeder 2019-03-26 368 struct device *dev = smmu_pmu->dev; 7d839b4b9e0064 Neil Leeder 2019-03-26 369 struct perf_event *sibling; 33e84ea4330da8 Robin Murphy 2019-08-01 370 int group_num_events = 1; 7d839b4b9e0064 Neil Leeder 2019-03-26 371 u16 event_id; 7d839b4b9e0064 Neil Leeder 2019-03-26 372 7d839b4b9e0064 Neil Leeder 2019-03-26 373 if (event->attr.type != event->pmu->type) 7d839b4b9e0064 Neil Leeder 2019-03-26 374 return -ENOENT; 7d839b4b9e0064 Neil Leeder 2019-03-26 375 7d839b4b9e0064 Neil Leeder 2019-03-26 376 if (hwc->sample_period) { 7d839b4b9e0064 Neil Leeder 2019-03-26 377 dev_dbg(dev, "Sampling not supported\n"); 7d839b4b9e0064 Neil Leeder 2019-03-26 378 return -EOPNOTSUPP; 7d839b4b9e0064 Neil Leeder 2019-03-26 379 } 7d839b4b9e0064 Neil Leeder 2019-03-26 380 7d839b4b9e0064 Neil Leeder 2019-03-26 381 if (event->cpu < 0) { 7d839b4b9e0064 Neil Leeder 2019-03-26 382 dev_dbg(dev, "Per-task mode not supported\n"); 7d839b4b9e0064 Neil Leeder 2019-03-26 383 return -EOPNOTSUPP; 7d839b4b9e0064 Neil Leeder 2019-03-26 384 } 7d839b4b9e0064 Neil Leeder 2019-03-26 385 7d839b4b9e0064 Neil Leeder 2019-03-26 386 /* Verify specified event is supported on this PMU */ 7d839b4b9e0064 Neil Leeder 2019-03-26 387 event_id = get_event(event); 7d839b4b9e0064 Neil Leeder 2019-03-26 388 if (event_id < SMMU_PMCG_ARCH_MAX_EVENTS && 7d839b4b9e0064 Neil Leeder 2019-03-26 389 (!test_bit(event_id, smmu_pmu->supported_events))) { 7d839b4b9e0064 Neil Leeder 2019-03-26 390 dev_dbg(dev, "Invalid event %d for this PMU\n", event_id); 7d839b4b9e0064 Neil Leeder 2019-03-26 391 return -EINVAL; 7d839b4b9e0064 Neil Leeder 2019-03-26 392 } 7d839b4b9e0064 Neil Leeder 2019-03-26 393 7d839b4b9e0064 Neil Leeder 2019-03-26 394 /* Don't allow groups with mixed PMUs, except for s/w events */ 33e84ea4330da8 Robin Murphy 2019-08-01 395 if (!is_software_event(event->group_leader)) { 3c9347351a6ea1 Robin Murphy 2019-08-01 396 if (!smmu_pmu_events_compatible(event->group_leader, event)) 33e84ea4330da8 Robin Murphy 2019-08-01 397 return -EINVAL; 33e84ea4330da8 Robin Murphy 2019-08-01 398 33e84ea4330da8 Robin Murphy 2019-08-01 399 if (++group_num_events > smmu_pmu->num_counters) 7d839b4b9e0064 Neil Leeder 2019-03-26 400 return -EINVAL; 7d839b4b9e0064 Neil Leeder 2019-03-26 401 } 7d839b4b9e0064 Neil Leeder 2019-03-26 402 7d839b4b9e0064 Neil Leeder 2019-03-26 @403 for_each_sibling_event(sibling, event->group_leader) { 33e84ea4330da8 Robin Murphy 2019-08-01 404 if (is_software_event(sibling)) 33e84ea4330da8 Robin Murphy 2019-08-01 405 continue; 33e84ea4330da8 Robin Murphy 2019-08-01 406 3c9347351a6ea1 Robin Murphy 2019-08-01 407 if (!smmu_pmu_events_compatible(sibling, event)) 33e84ea4330da8 Robin Murphy 2019-08-01 408 return -EINVAL; 33e84ea4330da8 Robin Murphy 2019-08-01 409 33e84ea4330da8 Robin Murphy 2019-08-01 410 if (++group_num_events > smmu_pmu->num_counters) 7d839b4b9e0064 Neil Leeder 2019-03-26 411 return -EINVAL; 7d839b4b9e0064 Neil Leeder 2019-03-26 412 } 7d839b4b9e0064 Neil Leeder 2019-03-26 413 7d839b4b9e0064 Neil Leeder 2019-03-26 414 hwc->idx = -1; 7d839b4b9e0064 Neil Leeder 2019-03-26 415 7d839b4b9e0064 Neil Leeder 2019-03-26 416 /* 7d839b4b9e0064 Neil Leeder 2019-03-26 417 * Ensure all events are on the same cpu so all events are in the 7d839b4b9e0064 Neil Leeder 2019-03-26 418 * same cpu context, to avoid races on pmu_enable etc. 7d839b4b9e0064 Neil Leeder 2019-03-26 419 */ 7d839b4b9e0064 Neil Leeder 2019-03-26 420 event->cpu = smmu_pmu->on_cpu; 7d839b4b9e0064 Neil Leeder 2019-03-26 421 7d839b4b9e0064 Neil Leeder 2019-03-26 422 return 0; 7d839b4b9e0064 Neil Leeder 2019-03-26 423 } 7d839b4b9e0064 Neil Leeder 2019-03-26 424 :::::: The code at line 403 was first introduced by commit :::::: 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 perf/smmuv3: Add arm64 smmuv3 pmu driver :::::: TO: Neil Leeder :::::: CC: Will Deacon -- 0-DAY CI Kernel Test Service https://01.org/lkp