[radeon-alex:drm-next 41/491] drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device_queue_manager.c:172:15: sparse: got unsigned long long COPYING CREDITS Documentation Kbuild Kconfig LICENSES MAINTAINERS Makefile README arch block certs crypto drivers fs include init ipc kernel lib mm net samples scripts security sound tools usr virt

[kernel test robot]

tree:   git://people.freedesktop.org/~agd5f/linux.git drm-next
head:   fadef51a438279ca660dbce31c26e787d6680149
commit: 32cb59f3136248c40062f6fe3edfba13c516b30c [41/491] drm/amdkfd: Track SDMA utilization per process
config: x86_64-randconfig-s021-20200623 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.2-dirty
        git checkout 32cb59f3136248c40062f6fe3edfba13c516b30c
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at 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-all@lists.01.org
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