[radeon-alex:drm-next-4.12-wip 33/40] drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h:68:30: warning: left shift count >= width of type
kbuild test robot
fengguang.wu at intel.com
Fri Feb 10 19:56:20 UTC 2017
tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.12-wip
head: d32ff0ea8e22964abcc6406e00a0646f2bfb94c7
commit: 7958b9959ea9dd544675adebddab255f7c536da7 [33/40] drm/amdgpu: add basic PRT support (v2)
config: parisc-allmodconfig (attached as .config)
compiler: hppa-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 7958b9959ea9dd544675adebddab255f7c536da7
# save the attached .config to linux build tree
make.cross ARCH=parisc
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/amd/amdgpu/amdgpu.h:58:0,
from drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:31:
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function 'amdgpu_vm_free_mapping':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h:68:30: warning: left shift count >= width of type [-Wshift-count-overflow]
#define AMDGPU_PTE_PRT (1UL << 63)
^
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1222:24: note: in expansion of macro 'AMDGPU_PTE_PRT'
if ((mapping->flags & AMDGPU_PTE_PRT) &&
^~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function 'amdgpu_vm_bo_map':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h:68:30: warning: left shift count >= width of type [-Wshift-count-overflow]
#define AMDGPU_PTE_PRT (1UL << 63)
^
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1379:14: note: in expansion of macro 'AMDGPU_PTE_PRT'
if (flags & AMDGPU_PTE_PRT) {
^~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function 'amdgpu_vm_fini':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h:68:30: warning: left shift count >= width of type [-Wshift-count-overflow]
#define AMDGPU_PTE_PRT (1UL << 63)
^
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1701:24: note: in expansion of macro 'AMDGPU_PTE_PRT'
if (mapping->flags & AMDGPU_PTE_PRT)
^~~~~~~~~~~~~~
vim +68 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
52
53 /* LOG2 number of continuous pages for the fragment field */
54 #define AMDGPU_LOG2_PAGES_PER_FRAG 4
55
56 #define AMDGPU_PTE_VALID (1 << 0)
57 #define AMDGPU_PTE_SYSTEM (1 << 1)
58 #define AMDGPU_PTE_SNOOPED (1 << 2)
59
60 /* VI only */
61 #define AMDGPU_PTE_EXECUTABLE (1 << 4)
62
63 #define AMDGPU_PTE_READABLE (1 << 5)
64 #define AMDGPU_PTE_WRITEABLE (1 << 6)
65
66 #define AMDGPU_PTE_FRAG(x) ((x & 0x1f) << 7)
67
> 68 #define AMDGPU_PTE_PRT (1UL << 63)
69
70 /* How to programm VM fault handling */
71 #define AMDGPU_VM_FAULT_STOP_NEVER 0
72 #define AMDGPU_VM_FAULT_STOP_FIRST 1
73 #define AMDGPU_VM_FAULT_STOP_ALWAYS 2
74
75 struct amdgpu_vm_pt {
76 struct amdgpu_bo *bo;
---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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