[radeon-alex:amd-mainline-dkms-5.2 2082/3212] drivers/gpu/drm/ttm/ttm_bo_vm.c:427:2: warning: initialization from incompatible pointer type
kbuild test robot
lkp at intel.com
Mon Dec 9 03:26:43 UTC 2019
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 at 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 at vmware.com>
:::::: CC: Dave Airlie <airlied at redhat.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
-------------- next part --------------
A non-text attachment was scrubbed...
Name: .config.gz
Type: application/gzip
Size: 35341 bytes
Desc: not available
URL: <https://lists.freedesktop.org/archives/dri-devel/attachments/20191209/7241e957/attachment-0001.gz>
More information about the dri-devel
mailing list