Hi "Christian, I love your patch! Perhaps something to improve: [auto build test WARNING on next-20200828] [cannot apply to linus/master v5.9-rc3 v5.9-rc2 v5.9-rc1 v5.9-rc3] [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] url: https://github.com/0day-ci/linux/commits/Christian-K-nig/drm-ttm-make-sure-that-we-always-zero-init-mem-bus-v2/20200901-230736 base: b36c969764ab12faebb74711c942fa3e6eaf1e96 config: x86_64-randconfig-a006-20200901 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/gpu/drm/ttm/ttm_bo_util.c: In function 'ttm_resource_iounmap': >> drivers/gpu/drm/ttm/ttm_bo_util.c:157:31: warning: variable 'man' set but not used [-Wunused-but-set-variable] 157 | struct ttm_resource_manager *man; | ^~~ In file included from include/linux/energy_model.h:10, from include/linux/device.h:16, from include/drm/drm_print.h:32, from include/drm/drm_mm.h:49, from include/drm/ttm/ttm_bo_driver.h:33, from drivers/gpu/drm/ttm/ttm_bo_util.c:32: At top level: include/linux/sched/topology.h:40:3: warning: 'sd_flag_debug' defined but not used [-Wunused-const-variable=] 40 | } sd_flag_debug[] = { | ^~~~~~~~~~~~~ In file included from include/linux/energy_model.h:10, from include/linux/device.h:16, from include/drm/drm_print.h:32, from include/drm/drm_mm.h:49, from include/drm/ttm/ttm_bo_driver.h:33, from drivers/gpu/drm/ttm/ttm_bo_util.c:32: include/linux/sched/topology.h:30:27: warning: 'SD_DEGENERATE_GROUPS_MASK' defined but not used [-Wunused-const-variable=] 30 | static const unsigned int SD_DEGENERATE_GROUPS_MASK = | ^~~~~~~~~~~~~~~~~~~~~~~~~ # https://github.com/0day-ci/linux/commit/640f5da8a063c527c64720caa2c7b8b29aee5bb3 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Christian-K-nig/drm-ttm-make-sure-that-we-always-zero-init-mem-bus-v2/20200901-230736 git checkout 640f5da8a063c527c64720caa2c7b8b29aee5bb3 vim +/man +157 drivers/gpu/drm/ttm/ttm_bo_util.c ba4e7d973dd09b Thomas Hellstrom 2009-06-10 152 2966141ad2dda2 Dave Airlie 2020-08-04 153 static void ttm_resource_iounmap(struct ttm_bo_device *bdev, 2966141ad2dda2 Dave Airlie 2020-08-04 154 struct ttm_resource *mem, ba4e7d973dd09b Thomas Hellstrom 2009-06-10 155 void *virtual) ba4e7d973dd09b Thomas Hellstrom 2009-06-10 156 { 9de59bc201496f Dave Airlie 2020-08-04 @157 struct ttm_resource_manager *man; ba4e7d973dd09b Thomas Hellstrom 2009-06-10 158 9eca33f4a13919 Dave Airlie 2020-08-04 159 man = ttm_manager_type(bdev, mem->mem_type); ba4e7d973dd09b Thomas Hellstrom 2009-06-10 160 0c321c79627189 Jerome Glisse 2010-04-07 161 if (virtual && mem->bus.addr == NULL) ba4e7d973dd09b Thomas Hellstrom 2009-06-10 162 iounmap(virtual); 82c5da6bf8b55a Jerome Glisse 2010-04-09 163 ttm_mem_io_free(bdev, mem); ba4e7d973dd09b Thomas Hellstrom 2009-06-10 164 } ba4e7d973dd09b Thomas Hellstrom 2009-06-10 165 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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