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 v5.5-rc3 next-20191220] [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/i915_mm.c:130:32: sparse: sparse: Using plain integer as NULL pointer vim +130 drivers/gpu/drm/i915/i915_mm.c 114 115 /** 116 * remap_io_sg - remap an IO mapping to userspace 117 * @vma: user vma to map to 118 * @addr: target user address to start at 119 * @io_start: IO start 120 * @sgl: Start sg entry 121 * @size: size of map area 122 * @iomap: the source io_mapping 123 * 124 * Note: this is only safe if the mm semaphore is held when called. 125 */ 126 int remap_io_sg(struct vm_area_struct *vma, 127 unsigned long addr, resource_size_t io_start, struct scatterlist *sgl, 128 unsigned long size, struct io_mapping *iomap) 129 { > 130 struct remap_pfn r = { 0 }; --- 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
