Hi Prike, FYI, the error/warning still remains. tree: git://people.freedesktop.org/~agd5f/linux.git amd-19.50 head: 02692309efa6ad48d47894e40fcb3832ace49c4c commit: 034972ea50d821bd2596276c956b39f0ed9ca2dd [2071/2687] drm/amdkcl: Test whether list_bulk_move_tail() is available config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-3) 7.5.0 reproduce: git checkout 034972ea50d821bd2596276c956b39f0ed9ca2dd # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): from drivers/gpu/drm/ttm/backport/backport.h:6, from :0: include/drm/drm_drv.h:739:6: note: previous declaration of 'drm_dev_put' was here void drm_dev_put(struct drm_device *dev); ^~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from :0: include/kcl/kcl_drm.h: In function 'drm_dev_put': include/kcl/kcl_drm.h:539:9: error: implicit declaration of function 'drm_dev_unref'; did you mean 'drm_dev_enter'? [-Werror=implicit-function-declaration] return drm_dev_unref(dev); ^~~~~~~~~~~~~ drm_dev_enter include/kcl/kcl_drm.h:539:9: warning: 'return' with a value, in function returning void return drm_dev_unref(dev); ^~~~~~~~~~~~~~~~~~ include/kcl/kcl_drm.h:537:20: note: declared here static inline void drm_dev_put(struct drm_device *dev) ^~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h: At top level: include/kcl/kcl_mm.h:65:21: error: redefinition of 'kvmalloc' static inline void *kvmalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:635:21: note: previous definition of 'kvmalloc' was here static inline void *kvmalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:75:21: error: redefinition of 'kvzalloc' static inline void *kvzalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:643:21: note: previous definition of 'kvzalloc' was here static inline void *kvzalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:85:20: error: static declaration of 'kvfree' follows non-static declaration static inline void kvfree(const void *addr) ^~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:663:13: note: previous declaration of 'kvfree' was here extern void kvfree(const void *addr); ^~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:105:21: error: redefinition of 'kvmalloc_array' static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags) ^~~~~~~~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:648:21: note: previous definition of 'kvmalloc_array' was here static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags) ^~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:118:21: error: redefinition of 'kvcalloc' static inline void *kvcalloc(size_t n, size_t size, gfp_t flags) ^~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:658:21: note: previous definition of 'kvcalloc' was here static inline void *kvcalloc(size_t n, size_t size, gfp_t flags) ^~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:9:0, from :0: include/kcl/kcl_fence.h:161:20: error: redefinition of 'dma_fence_set_error' static inline void dma_fence_set_error(struct dma_fence *fence, ^~~~~~~~~~~~~~~~~~~ In file included from include/drm/drmP.h:58:0, from include/kcl/kcl_drm.h:6, from drivers/gpu/drm/ttm/backport/backport.h:6, from :0: include/linux/dma-fence.h:517:20: note: previous definition of 'dma_fence_set_error' was here static inline void dma_fence_set_error(struct dma_fence *fence, ^~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:9:0, from :0: include/kcl/kcl_fence.h: In function 'dma_fence_set_error': include/kcl/kcl_fence.h:167:7: error: 'struct dma_fence' has no member named 'status' fence->status = error; ^~ In file included from drivers/gpu/drm/ttm/backport/backport.h:10:0, from :0: include/kcl/kcl_list.h: At top level: >> include/kcl/kcl_list.h:6:20: error: redefinition of 'list_bulk_move_tail' static inline void list_bulk_move_tail(struct list_head *head, ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/preempt.h:11:0, from include/linux/rcupdate.h:27, from include/linux/rbtree.h:34, from include/drm/drm_mm.h:41, from include/drm/drm_vma_manager.h:26, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/list.h:212:20: note: previous definition of 'list_bulk_move_tail' was here static inline void list_bulk_move_tail(struct list_head *head, ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- from drivers/gpu/drm/ttm/backport/backport.h:6, from :0: include/drm/drm_drv.h:739:6: note: previous declaration of 'drm_dev_put' was here void drm_dev_put(struct drm_device *dev); ^~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from :0: include/kcl/kcl_drm.h: In function 'drm_dev_put': include/kcl/kcl_drm.h:539:9: error: implicit declaration of function 'drm_dev_unref'; did you mean 'drm_dev_enter'? [-Werror=implicit-function-declaration] return drm_dev_unref(dev); ^~~~~~~~~~~~~ drm_dev_enter include/kcl/kcl_drm.h:539:9: warning: 'return' with a value, in function returning void return drm_dev_unref(dev); ^~~~~~~~~~~~~~~~~~ include/kcl/kcl_drm.h:537:20: note: declared here static inline void drm_dev_put(struct drm_device *dev) ^~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h: At top level: include/kcl/kcl_mm.h:65:21: error: redefinition of 'kvmalloc' static inline void *kvmalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:635:21: note: previous definition of 'kvmalloc' was here static inline void *kvmalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:75:21: error: redefinition of 'kvzalloc' static inline void *kvzalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:643:21: note: previous definition of 'kvzalloc' was here static inline void *kvzalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:85:20: error: static declaration of 'kvfree' follows non-static declaration static inline void kvfree(const void *addr) ^~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:663:13: note: previous declaration of 'kvfree' was here extern void kvfree(const void *addr); ^~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:105:21: error: redefinition of 'kvmalloc_array' static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags) ^~~~~~~~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:648:21: note: previous definition of 'kvmalloc_array' was here static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags) ^~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:118:21: error: redefinition of 'kvcalloc' static inline void *kvcalloc(size_t n, size_t size, gfp_t flags) ^~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:658:21: note: previous definition of 'kvcalloc' was here static inline void *kvcalloc(size_t n, size_t size, gfp_t flags) ^~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:9:0, from :0: include/kcl/kcl_fence.h:161:20: error: redefinition of 'dma_fence_set_error' static inline void dma_fence_set_error(struct dma_fence *fence, ^~~~~~~~~~~~~~~~~~~ In file included from include/drm/drmP.h:58:0, from include/kcl/kcl_drm.h:6, from drivers/gpu/drm/ttm/backport/backport.h:6, from :0: include/linux/dma-fence.h:517:20: note: previous definition of 'dma_fence_set_error' was here static inline void dma_fence_set_error(struct dma_fence *fence, ^~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:9:0, from :0: include/kcl/kcl_fence.h: In function 'dma_fence_set_error': include/kcl/kcl_fence.h:167:7: error: 'struct dma_fence' has no member named 'status' fence->status = error; ^~ In file included from drivers/gpu/drm/ttm/backport/backport.h:10:0, from :0: include/kcl/kcl_list.h: At top level: >> include/kcl/kcl_list.h:6:20: error: redefinition of 'list_bulk_move_tail' static inline void list_bulk_move_tail(struct list_head *head, ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/preempt.h:11:0, from include/linux/rcupdate.h:27, from include/linux/rbtree.h:34, from include/drm/drm_mm.h:41, from include/drm/drm_vma_manager.h:26, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/list.h:212:20: note: previous definition of 'list_bulk_move_tail' was here static inline void list_bulk_move_tail(struct list_head *head, ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/ttm/ttm_bo_manager.c: In function 'ttm_bo_man_debug': drivers/gpu/drm/ttm/ttm_bo_manager.c:145:26: error: passing argument 2 of 'drm_mm_print' from incompatible pointer type [-Werror=incompatible-pointer-types] drm_mm_print(&rman->mm, printer); ^~~~~~~ In file included from include/drm/drm_vma_manager.h:26:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/drm/drm_mm.h:547:6: note: expected 'struct drm_printer *' but argument is of type 'struct drm_printer *' void drm_mm_print(const struct drm_mm *mm, struct drm_printer *p); ^~~~~~~~~~~~ cc1: some warnings being treated as errors -- from drivers/gpu/drm/ttm/backport/backport.h:6, from :0: include/drm/drm_drv.h:739:6: note: previous declaration of 'drm_dev_put' was here void drm_dev_put(struct drm_device *dev); ^~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from :0: include/kcl/kcl_drm.h: In function 'drm_dev_put': include/kcl/kcl_drm.h:539:9: error: implicit declaration of function 'drm_dev_unref'; did you mean 'drm_dev_enter'? [-Werror=implicit-function-declaration] return drm_dev_unref(dev); ^~~~~~~~~~~~~ drm_dev_enter include/kcl/kcl_drm.h:539:9: warning: 'return' with a value, in function returning void return drm_dev_unref(dev); ^~~~~~~~~~~~~~~~~~ include/kcl/kcl_drm.h:537:20: note: declared here static inline void drm_dev_put(struct drm_device *dev) ^~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h: At top level: include/kcl/kcl_mm.h:65:21: error: redefinition of 'kvmalloc' static inline void *kvmalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:635:21: note: previous definition of 'kvmalloc' was here static inline void *kvmalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:75:21: error: redefinition of 'kvzalloc' static inline void *kvzalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:643:21: note: previous definition of 'kvzalloc' was here static inline void *kvzalloc(size_t size, gfp_t flags) ^~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:85:20: error: static declaration of 'kvfree' follows non-static declaration static inline void kvfree(const void *addr) ^~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:663:13: note: previous declaration of 'kvfree' was here extern void kvfree(const void *addr); ^~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:105:21: error: redefinition of 'kvmalloc_array' static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags) ^~~~~~~~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:648:21: note: previous definition of 'kvmalloc_array' was here static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags) ^~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:8:0, from :0: include/kcl/kcl_mm.h:118:21: error: redefinition of 'kvcalloc' static inline void *kvcalloc(size_t n, size_t size, gfp_t flags) ^~~~~~~~ In file included from include/drm/drm_vma_manager.h:27:0, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/mm.h:658:21: note: previous definition of 'kvcalloc' was here static inline void *kvcalloc(size_t n, size_t size, gfp_t flags) ^~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:9:0, from :0: include/kcl/kcl_fence.h:161:20: error: redefinition of 'dma_fence_set_error' static inline void dma_fence_set_error(struct dma_fence *fence, ^~~~~~~~~~~~~~~~~~~ In file included from include/drm/drmP.h:58:0, from include/kcl/kcl_drm.h:6, from drivers/gpu/drm/ttm/backport/backport.h:6, from :0: include/linux/dma-fence.h:517:20: note: previous definition of 'dma_fence_set_error' was here static inline void dma_fence_set_error(struct dma_fence *fence, ^~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:9:0, from :0: include/kcl/kcl_fence.h: In function 'dma_fence_set_error': include/kcl/kcl_fence.h:167:7: error: 'struct dma_fence' has no member named 'status' fence->status = error; ^~ In file included from drivers/gpu/drm/ttm/backport/backport.h:10:0, from :0: include/kcl/kcl_list.h: At top level: >> include/kcl/kcl_list.h:6:20: error: redefinition of 'list_bulk_move_tail' static inline void list_bulk_move_tail(struct list_head *head, ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/preempt.h:11:0, from include/linux/rcupdate.h:27, from include/linux/rbtree.h:34, from include/drm/drm_mm.h:41, from include/drm/drm_vma_manager.h:26, from include/kcl/kcl_drm_vma_manager.h:8, from drivers/gpu/drm/ttm/backport/backport.h:5, from :0: include/linux/list.h:212:20: note: previous definition of 'list_bulk_move_tail' was here static inline void list_bulk_move_tail(struct list_head *head, ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/ttm/ttm_bo.c: In function 'ttm_bo_mem_space_debug': drivers/gpu/drm/ttm/ttm_bo.c:101:25: error: invalid initializer struct drm_printer p = drm_debug_printer(TTM_PFX); ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/list_bulk_move_tail +6 include/kcl/kcl_list.h 3 4 #if !defined(HAVE_LIST_BULK_MOVE_TAIL) 5 #include > 6 static inline void list_bulk_move_tail(struct list_head *head, 7 struct list_head *first, 8 struct list_head *last) 9 { 10 first->prev->next = last->next; 11 last->next->prev = first->prev; 12 13 head->prev->next = first; 14 first->prev = head->prev; 15 16 last->next = head; 17 head->prev = last; 18 } 19 #endif 20 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation