Hi Tvrtko, [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on next-20170111] [cannot apply to v4.10-rc3] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Tvrtko-Ursulin/drm-i915-Use-__sg_alloc_table_from_pages-for-userptr-allocations/20170113-004619 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-rhel (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/i915/i915_drv.c:48:0: drivers/gpu/drm/i915/i915_drv.h: In function 'i915_sg_segment_size': >> drivers/gpu/drm/i915/i915_drv.h:2605:10: error: 'SCATTERLIST_MAX_SEGMENT' undeclared (first use in this function) return SCATTERLIST_MAX_SEGMENT; ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_drv.h:2605:10: note: each undeclared identifier is reported only once for each function it appears in -- In file included from drivers/gpu/drm/i915/i915_gem_userptr.c:27:0: drivers/gpu/drm/i915/i915_drv.h: In function 'i915_sg_segment_size': >> drivers/gpu/drm/i915/i915_drv.h:2605:10: error: 'SCATTERLIST_MAX_SEGMENT' undeclared (first use in this function) return SCATTERLIST_MAX_SEGMENT; ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_drv.h:2605:10: note: each undeclared identifier is reported only once for each function it appears in drivers/gpu/drm/i915/i915_gem_userptr.c: In function '__i915_gem_userptr_alloc_pages': >> drivers/gpu/drm/i915/i915_gem_userptr.c:406:8: error: implicit declaration of function '__sg_alloc_table_from_pages' [-Werror=implicit-function-declaration] ret = __sg_alloc_table_from_pages(st, pvec, num_pages, ^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/SCATTERLIST_MAX_SEGMENT +2605 drivers/gpu/drm/i915/i915_drv.h 2599 2600 static inline unsigned int i915_sg_segment_size(void) 2601 { 2602 unsigned int size = swiotlb_max_segment(); 2603 2604 if (size == 0) > 2605 return SCATTERLIST_MAX_SEGMENT; 2606 2607 size = rounddown(size, PAGE_SIZE); 2608 /* swiotlb_max_segment_size can return 1 byte when it means one page. */ --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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