tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next head: 3c831e196bd7543977d4acd506064636809f1dcf commit: 3a2b9affb4c366dac8a088156c644cf329701816 [468/1015] drm/amdkfd: Track SDMA utilization per process config: x86_64-randconfig-s022-20200710 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-37-gc9676a3b-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 lkp@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
139
140 void increment_queue_count(struct device_queue_manager *dqm,
141 enum kfd_queue_type type) 142 { 143 dqm->active_queue_count++; 144 if (type == KFD_QUEUE_TYPE_COMPUTE || type == KFD_QUEUE_TYPE_DIQ) 145 dqm->active_cp_queue_count++; 146 } 147 148 void decrement_queue_count(struct device_queue_manager *dqm, 149 enum kfd_queue_type type) 150 { 151 dqm->active_queue_count--; 152 if (type == KFD_QUEUE_TYPE_COMPUTE || type == KFD_QUEUE_TYPE_DIQ) 153 dqm->active_cp_queue_count--; 154 } 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
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