Hi Abdiel, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-tip/drm-tip next-20191220] [cannot apply to v5.5-rc3] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Abdiel-Janulgue/drm-i915-Introduce-remap_io_sg-to-prefault-discontiguous-objects/20191225-032829 base: git://anongit.freedesktop.org/drm-intel for-linux-next reproduce: # apt-get install sparse # sparse version: v0.6.1-129-g341daf20-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:759:32: sparse: sparse: incorrect type in argument 1 (different address spaces) >> drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:759:32: sparse: expected void const *s >> drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:759:32: sparse: got unsigned int [noderef] [usertype] <asn:2> *[assigned] map vim +759 drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c 731 732 static int gtt_obj_set(struct drm_i915_gem_object *obj, bool init) 733 { 734 u32 __iomem *map; 735 struct i915_vma *vma; 736 int err = 0; 737 738 i915_gem_object_lock(obj); 739 err = i915_gem_object_set_to_gtt_domain(obj, true); 740 i915_gem_object_unlock(obj); 741 if (err) 742 return err; 743 744 vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, PIN_MAPPABLE); 745 if (IS_ERR(vma)) 746 return PTR_ERR(vma); 747 748 intel_gt_pm_get(vma->vm->gt); 749 map = i915_vma_pin_iomap(vma); 750 i915_vma_unpin(vma); 751 if (IS_ERR(map)) { 752 err = PTR_ERR(map); 753 goto out; 754 } 755 756 if (init) { 757 memset_io(map, POISON_INUSE, PAGE_SIZE); 758 } else { > 759 if (memchr_inv(map, POISON_FREE, PAGE_SIZE)) { 760 pr_err("Write via mmap did not land in backing store\n"); 761 err = -EINVAL; 762 } 763 } 764 i915_vma_unpin_iomap(vma); 765 766 out: 767 intel_gt_pm_put(vma->vm->gt); 768 return err; 769 } 770 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
