tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next
head: e1d114658d448b5da11c7925beda241e8b8dd321
commit: 3a2b9affb4c366dac8a088156c644cf329701816 [468/1313] drm/amdkfd: Track
SDMA utilization per process
config: x86_64-randconfig-s021-20200805 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.2-117-g8c7aee71-dirty
git checkout 3a2b9affb4c366dac8a088156c644cf329701816
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
sparse warnings: (new ones prefixed by >>)
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device_queue_manager.c:140:6:
sparse: sparse: symbol 'increment_queue_count' was not declared. Should it be
static?
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device_queue_manager.c:148:6:
sparse: sparse: symbol 'decrement_queue_count' was not declared. Should it be
static?
>> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device_queue_manager.c:172:15:
>> sparse: sparse: incorrect type in argument 1 (different address spaces) @@
>> expected void const volatile [noderef] <asn:1> * @@ got unsigned long
>> long [usertype] * @@
>> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device_queue_manager.c:172:15:
>> sparse: expected void const volatile [noderef] <asn:1> *
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device_queue_manager.c:172:15:
sparse: got unsigned long long [usertype] *
vim +172 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device_queue_manager.c
155
156 int read_sdma_queue_counter(struct queue *q, uint64_t *val)
157 {
158 int ret;
159 uint64_t tmp = 0;
160
161 if (!q || !val)
162 return -EINVAL;
163 /*
164 * SDMA activity counter is stored at queue's RPTR + 0x8
location.
165 */
166 if (!access_ok((const void __user
*)((uint64_t)q->properties.read_ptr +
167 sizeof(uint64_t)),
sizeof(uint64_t))) {
168 pr_err("Can't access sdma queue activity counter\n");
169 return -EFAULT;
170 }
171
> 172 ret = get_user(tmp, (uint64_t
> *)((uint64_t)(q->properties.read_ptr) +
173 sizeof(uint64_t)));
174 if (!ret) {
175 *val = tmp;
176 }
177
178 return ret;
179 }
180
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
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