tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.13-wip
head: 822bfb93ca63bd15ccc3f0ba925110c8298b3162
commit: b4d42511b7f2269f4cca3c02cd6e4c58099f9108 [334/343] drm/amdgpu: Support page table update via CPU
config: i386-randconfig-r0-06050939 (attached as .config)
compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904
reproduce:
git checkout b4d42511b7f2269f4cca3c02cd6e4c58099f9108
# save the attached .config to linux build tree
make ARCH=i386
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:32:0:
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function 'amdgpu_vm_cpu_set_ptes':
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:987:41: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
amdgpu_gart_set_pte_pde(params->adev, (void *)pe,
^
drivers/gpu/drm/amd/amdgpu/amdgpu.h:1858:107: note: in definition of macro 'amdgpu_gart_set_pte_pde'
#define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
^
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function 'amdgpu_vm_update_ptes_cpu':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1308:24: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
params->func(params, (uint64_t)pe_ptr, dst, nptes,
^
In file included from arch/x86/include/asm/bug.h:81:0,
from include/linux/bug.h:4,
from include/linux/thread_info.h:11,
from arch/x86/include/asm/preempt.h:6,
from include/linux/preempt.h:80,
from include/linux/spinlock.h:50,
from include/linux/wait.h:8,
from include/linux/dma-fence.h:25,
from include/linux/dma-fence-array.h:23,
from drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:28:
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function 'amdgpu_vm_update_level':
include/asm-generic/bug.h:107:5: warning: 'ndw' may be used uninitialized in this function [-Wmaybe-uninitialized]
if (unlikely(__ret_warn_on)) \
^
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1030:30: note: 'ndw' was declared here
unsigned count = 0, pt_idx, ndw;
^
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1132:16: warning: 'shadow_addr' may be used uninitialized in this function [-Wmaybe-uninitialized]
last_shadow = shadow_addr + pt_idx * 8;
^
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1161:5: warning: 'ring' may be used uninitialized in this function [-Wmaybe-uninitialized]
r = amdgpu_job_submit(job, ring, &vm->entity,
^
vim +1308 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
1292 return -EINVAL;
1293 }
1294
1295 WARN_ON(params->shadow);
1296
1297 r = amdgpu_bo_kmap(pt, &pe_ptr);
1298 if (r)
1299 return r;
1300
1301 pe_ptr += (addr & mask) * 8;
1302
1303 if ((addr & ~mask) == (end & ~mask))
1304 nptes = end - addr;
1305 else
1306 nptes = AMDGPU_VM_PTE_COUNT(adev) - (addr & mask);
1307
> 1308 params->func(params, (uint64_t)pe_ptr, dst, nptes,
1309 AMDGPU_GPU_PAGE_SIZE, flags);
1310
1311 amdgpu_bo_kunmap(pt);
1312 addr += nptes;
1313 dst += nptes * AMDGPU_GPU_PAGE_SIZE;
1314 }
1315
1316 return 0;
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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