Hi Umesh, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.8-rc4 next-20240215] [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/Umesh-Nerlige-Ramappa/i915-pmu-Add-pmu_teardown-helper/20240214-020605 base: git://anongit.freedesktop.org/drm-intel for-linux-next patch link: https://lore.kernel.org/r/20240213180302.47266-3-umesh.nerlige.ramappa%40intel.com patch subject: [PATCH 2/2] i915/pmu: Cleanup pending events on unbind config: x86_64-randconfig-121-20240214 (https://download.01.org/0day-ci/archive/20240216/202402160519.aioEuNOJ-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240216/202402160519.aioEuNOJ-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/202402160519.aioEuNOJ-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/i915/i915_pmu.c:1405:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct file *file @@ got struct file [noderef] __rcu * @@ drivers/gpu/drm/i915/i915_pmu.c:1405:44: sparse: expected struct file *file drivers/gpu/drm/i915/i915_pmu.c:1405:44: sparse: got struct file [noderef] __rcu * drivers/gpu/drm/i915/i915_pmu.c: note: in included file (through include/linux/preempt.h, include/linux/spinlock.h, include/linux/fdtable.h): include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true vim +1405 drivers/gpu/drm/i915/i915_pmu.c 1385 1386 static void close_event_file(struct perf_event *event) 1387 { 1388 unsigned int max_open_fds, fd; 1389 struct files_struct *files; 1390 struct task_struct *task; 1391 struct fdtable *fdt; 1392 1393 task = event->owner; 1394 if (!task) 1395 return; 1396 1397 files = task->files; 1398 if (!files) 1399 return; 1400 1401 spin_lock(&files->file_lock); 1402 fdt = files_fdtable(files); 1403 max_open_fds = __open_files(fdt); 1404 for (fd = 0; fd < max_open_fds; fd++) { > 1405 struct file *file = fdt->fd[fd]; 1406 1407 if (!file || file->private_data != event) 1408 continue; 1409 1410 rcu_assign_pointer(fdt->fd[fd], NULL); 1411 __clear_bit(fd, fdt->open_fds); 1412 __clear_bit(fd / BITS_PER_LONG, fdt->full_fds_bits); 1413 if (fd < files->next_fd) 1414 files->next_fd = fd; 1415 filp_close(file, files); 1416 break; 1417 } 1418 spin_unlock(&files->file_lock); 1419 } 1420 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
