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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ec35307e18ba8174e2a3f701956059f6a36f22fb commit: f3c0eba287049237b23d1300376768293eb89e69 perf: Add a few assertions date: 5 months ago config: loongarch-randconfig-s033-20230217 (https://download.01.org/0day-ci/archive/20230217/202302171904.ATesGXtj-lkp@intel.com/config) 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=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$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/perf/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202302171904.ATesGXtj-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/perf/thunderx2_pmu.c:556:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/thunderx2_pmu.c:556:9: sparse: expected void *ptr drivers/perf/thunderx2_pmu.c:556:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/thunderx2_pmu.c:556:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/thunderx2_pmu.c:556:9: sparse: expected void *ptr drivers/perf/thunderx2_pmu.c:556:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/thunderx2_pmu.c:556:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/thunderx2_pmu.c:556:9: sparse: expected void *ptr drivers/perf/thunderx2_pmu.c:556:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/thunderx2_pmu.c:556:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/thunderx2_pmu.c:556:9: sparse: expected void *ptr drivers/perf/thunderx2_pmu.c:556:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/thunderx2_pmu.c:556:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/thunderx2_pmu.c:556:9: sparse: expected void *ptr drivers/perf/thunderx2_pmu.c:556:9: sparse: got int [noderef] __percpu * >> drivers/perf/thunderx2_pmu.c:556:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/thunderx2_pmu.c:556:9: sparse: expected void *ptr drivers/perf/thunderx2_pmu.c:556:9: sparse: got int [noderef] __percpu * >> drivers/perf/thunderx2_pmu.c:556:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/thunderx2_pmu.c:556:9: sparse: expected void *ptr drivers/perf/thunderx2_pmu.c:556:9: sparse: got int [noderef] __percpu * >> drivers/perf/thunderx2_pmu.c:556:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/thunderx2_pmu.c:556:9: sparse: expected void *ptr drivers/perf/thunderx2_pmu.c:556:9: sparse: got int [noderef] __percpu * vim +556 drivers/perf/thunderx2_pmu.c 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 539 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 540 /* 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 541 * Make sure the group of events can be scheduled at once 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 542 * on the PMU. 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 543 */ 5e2c27e833bb92 Ganapatrao Prabhakerrao Kulkarni 2019-10-16 544 static bool tx2_uncore_validate_event_group(struct perf_event *event, 5e2c27e833bb92 Ganapatrao Prabhakerrao Kulkarni 2019-10-16 545 int max_counters) 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 546 { 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 547 struct perf_event *sibling, *leader = event->group_leader; 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 548 int counters = 0; 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 549 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 550 if (event->group_leader == event) 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 551 return true; 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 552 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 553 if (!tx2_uncore_validate_event(event->pmu, leader, &counters)) 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 554 return false; 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 555 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 @556 for_each_sibling_event(sibling, leader) { 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 557 if (!tx2_uncore_validate_event(event->pmu, sibling, &counters)) 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 558 return false; 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 559 } 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 560 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 561 if (!tx2_uncore_validate_event(event->pmu, event, &counters)) 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 562 return false; 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 563 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 564 /* 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 565 * If the group requires more counters than the HW has, 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 566 * it cannot ever be scheduled. 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 567 */ 5e2c27e833bb92 Ganapatrao Prabhakerrao Kulkarni 2019-10-16 568 return counters <= max_counters; 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 569 } 69c32972d59388 Kulkarni, Ganapatrao 2018-12-06 570 :::::: The code at line 556 was first introduced by commit :::::: 69c32972d59388c041268e8206e8eb1acff29b9a drivers/perf: Add Cavium ThunderX2 SoC UNCORE PMU driver :::::: TO: Kulkarni, Ganapatrao :::::: CC: Will Deacon -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests