tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 06a81c1c7db9bd5de0bd38cd5acc44bb22b99150 commit: 9555152beb1143c85c03f9b9de59863cbbe89f4b Merge tag 'amd-drm-next-5.9-2020-07-01' of git://people.freedesktop.org/~agd5f/linux into drm-next date: 5 weeks ago config: powerpc64-randconfig-s032-20200808 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-118-ge1578773-dirty git checkout 9555152beb1143c85c03f9b9de59863cbbe89f4b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) 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 b42902f4af8fec Yong Zhao 2020-02-05 155 d69fd951e60ae4 Mukul Joshi 2020-06-24 156 int read_sdma_queue_counter(uint64_t q_rptr, uint64_t *val) 32cb59f3136248 Mukul Joshi 2020-05-26 157 { 32cb59f3136248 Mukul Joshi 2020-05-26 158 int ret; 32cb59f3136248 Mukul Joshi 2020-05-26 159 uint64_t tmp = 0; 32cb59f3136248 Mukul Joshi 2020-05-26 160 d69fd951e60ae4 Mukul Joshi 2020-06-24 161 if (!val) 32cb59f3136248 Mukul Joshi 2020-05-26 162 return -EINVAL; 32cb59f3136248 Mukul Joshi 2020-05-26 163 /* 32cb59f3136248 Mukul Joshi 2020-05-26 164 * SDMA activity counter is stored at queue's RPTR + 0x8 location. 32cb59f3136248 Mukul Joshi 2020-05-26 165 */ d69fd951e60ae4 Mukul Joshi 2020-06-24 166 if (!access_ok((const void __user *)(q_rptr + 32cb59f3136248 Mukul Joshi 2020-05-26 167 sizeof(uint64_t)), sizeof(uint64_t))) { 32cb59f3136248 Mukul Joshi 2020-05-26 168 pr_err("Can't access sdma queue activity counter\n"); 32cb59f3136248 Mukul Joshi 2020-05-26 169 return -EFAULT; 32cb59f3136248 Mukul Joshi 2020-05-26 170 } 32cb59f3136248 Mukul Joshi 2020-05-26 171 d69fd951e60ae4 Mukul Joshi 2020-06-24 @172 ret = get_user(tmp, (uint64_t *)(q_rptr + sizeof(uint64_t))); 32cb59f3136248 Mukul Joshi 2020-05-26 173 if (!ret) { 32cb59f3136248 Mukul Joshi 2020-05-26 174 *val = tmp; 32cb59f3136248 Mukul Joshi 2020-05-26 175 } 32cb59f3136248 Mukul Joshi 2020-05-26 176 32cb59f3136248 Mukul Joshi 2020-05-26 177 return ret; 32cb59f3136248 Mukul Joshi 2020-05-26 178 } 32cb59f3136248 Mukul Joshi 2020-05-26 179 :::::: The code at line 172 was first introduced by commit :::::: d69fd951e60ae48c8dd100aa8ceb799ab965f9b3 drm/amdkfd: Fix circular locking dependency warning :::::: TO: Mukul Joshi <mukul.joshi(a)amd.com&gt; :::::: CC: Alex Deucher <alexander.deucher(a)amd.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org