tree: git://people.freedesktop.org/~agd5f/linux.git amd-mainline-dkms-5.2 head: d269e78d6ce76b6e78f9dad26f336745130b2bfa commit: 3ba40228e28c15ca2dfec398cd7e5ebebdb5a9c2 [2082/3212] drm/amdkcl: Test whether vmf_insert_*() functions are available config: x86_64-randconfig-a002-20191206 (attached as .config) compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2 reproduce: git checkout 3ba40228e28c15ca2dfec398cd7e5ebebdb5a9c2 # save the attached .config to linux build tree make ARCH=x86_64
If you fix the issue, kindly add following tag Reported-by: kbuild test robot lkp@intel.com
All warnings (new ones prefixed by >>):
In file included from include/linux/kobject.h:23:0, from include/linux/device.h:16, from include/drm/drm_print.h:32, from include/drm/drm_mm.h:49, 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 <command-line>:0: include/linux/kref.h:36:28: note: previous definition of 'kref_read' was here static inline unsigned int kref_read(const struct kref *kref) ^ In file included from drivers/gpu/drm/ttm/backport/backport.h:11:0, from <command-line>:0: include/kcl/kcl_kref.h: In function 'kref_read': include/kcl/kcl_kref.h:9:21: warning: passing argument 1 of 'atomic_read' from incompatible pointer type return atomic_read(&kref->refcount); ^ In file included from arch/x86/include/asm/atomic.h:265:0, from include/linux/atomic.h:7, from include/linux/rcupdate.h:25, 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 <command-line>:0: include/asm-generic/atomic-instrumented.h:24:1: note: expected 'const struct atomic_t *' but argument is of type 'const struct refcount_t *' atomic_read(const atomic_t *v) ^ In file included from drivers/gpu/drm/ttm/backport/backport.h:12:0, from <command-line>:0: include/kcl/kcl_mm_types.h: At top level: include/kcl/kcl_mm_types.h:10:3: error: conflicting types for 'pfn_t' } pfn_t; ^ In file included from include/asm-generic/memory_model.h:5:0, from arch/x86/include/asm/page.h:76, from arch/x86/include/asm/thread_info.h:12, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, 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 <command-line>:0: include/linux/pfn.h:15:3: note: previous declaration of 'pfn_t' was here } pfn_t; ^ In file included from drivers/gpu/drm/ttm/backport/backport.h:12:0, from <command-line>:0: include/kcl/kcl_mm_types.h:33:13: error: conflicting types for 'vm_fault_t' typedef int vm_fault_t; ^ In file included from include/drm/drm_mm.h:43:0, 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 <command-line>:0: include/linux/mm_types.h:631:32: note: previous declaration of 'vm_fault_t' was here typedef __bitwise unsigned int vm_fault_t; ^ In file included from drivers/gpu/drm/ttm/backport/backport.h:12:0, from <command-line>:0: include/kcl/kcl_mm_types.h:35:26: error: conflicting types for 'vmf_insert_mixed' static inline vm_fault_t vmf_insert_mixed(struct vm_area_struct *vma, ^ 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 <command-line>:0: include/linux/mm.h:2587:12: note: previous declaration of 'vmf_insert_mixed' was here vm_fault_t vmf_insert_mixed(struct vm_area_struct *vma, unsigned long addr, ^ In file included from drivers/gpu/drm/ttm/backport/backport.h:12:0, from <command-line>:0: include/kcl/kcl_mm_types.h: In function 'vmf_insert_mixed': include/kcl/kcl_mm_types.h:41:2: error: implicit declaration of function 'vm_insert_mixed' [-Werror=implicit-function-declaration] err = vm_insert_mixed(vma, addr, pfn_t_to_pfn(pfn)); ^ include/kcl/kcl_mm_types.h: At top level: include/kcl/kcl_mm_types.h:53:26: error: conflicting types for 'vmf_insert_pfn' static inline vm_fault_t vmf_insert_pfn(struct vm_area_struct *vma, ^ 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 <command-line>:0: include/linux/mm.h:2583:12: note: previous declaration of 'vmf_insert_pfn' was here vm_fault_t vmf_insert_pfn(struct vm_area_struct *vma, unsigned long addr, ^ In file included from drivers/gpu/drm/ttm/backport/backport.h:12:0, from <command-line>:0: include/kcl/kcl_mm_types.h: In function 'vmf_insert_pfn': include/kcl/kcl_mm_types.h:56:3: error: implicit declaration of function 'vm_insert_pfn' [-Werror=implicit-function-declaration] int err = vm_insert_pfn(vma, addr, pfn); ^ drivers/gpu/drm/ttm/ttm_bo_vm.c: At top level:
drivers/gpu/drm/ttm/ttm_bo_vm.c:427:2: warning: initialization from incompatible pointer type
.fault = ttm_bo_vm_fault, ^ drivers/gpu/drm/ttm/ttm_bo_vm.c:427:2: warning: (near initialization for 'ttm_bo_vm_ops.fault') cc1: some warnings being treated as errors
vim +427 drivers/gpu/drm/ttm/ttm_bo_vm.c
09ac4fcb3f255e Felix Kuehling 2017-07-13 425 f0f37e2f77731b Alexey Dobriyan 2009-09-27 426 static const struct vm_operations_struct ttm_bo_vm_ops = { ba4e7d973dd09b Thomas Hellstrom 2009-06-10 @427 .fault = ttm_bo_vm_fault, ba4e7d973dd09b Thomas Hellstrom 2009-06-10 428 .open = ttm_bo_vm_open, 09ac4fcb3f255e Felix Kuehling 2017-07-13 429 .close = ttm_bo_vm_close, 09ac4fcb3f255e Felix Kuehling 2017-07-13 430 .access = ttm_bo_vm_access ba4e7d973dd09b Thomas Hellstrom 2009-06-10 431 }; ba4e7d973dd09b Thomas Hellstrom 2009-06-10 432
:::::: The code at line 427 was first introduced by commit :::::: ba4e7d973dd09b66912ac4c0856add8b0703a997 drm: Add the TTM GPU memory manager subsystem.
:::::: TO: Thomas Hellstrom thellstrom@vmware.com :::::: CC: Dave Airlie airlied@redhat.com
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