tree: https://github.com/AsahiLinux/linux nvme/wip-clocks head: 49b910337a28db951dd1a5259a3837f6d500031b commit: 23eada9bb9af9edbdc8a212e1d8b7a7a0e7a0e9c [14/17] NVMe WIP config: arm64-randconfig-s031-20210824 (attached as .config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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: v0.6.3-348-gf0e6938b-dirty # https://github.com/AsahiLinux/linux/commit/23eada9bb9af9edbdc8a212e1d8b7a... git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux nvme/wip-clocks git checkout 23eada9bb9af9edbdc8a212e1d8b7a7a0e7a0e9c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm64 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/nvme/host/apple-ans.c:289:19: sparse: expected unsigned long long [usertype] prp1 drivers/nvme/host/apple-ans.c:289:19: sparse: got restricted __le64 [usertype] prp1 drivers/nvme/host/apple-ans.c:290:19: sparse: expected unsigned long long [usertype] prp2 drivers/nvme/host/apple-ans.c:290:19: sparse: got restricted __le64 [usertype] prp2 drivers/nvme/host/apple-ans.c:291:21: sparse: expected unsigned int [usertype] length drivers/nvme/host/apple-ans.c:291:21: sparse: got restricted __le16 [usertype] length vim +289 drivers/nvme/host/apple-ans.c 274 275 /** 276 * apple_nvme_submit_cmd() - Copy a command into a queue and ring the doorbell 277 * @nvmeq: The queue to use 278 * @cmd: The command to send 279 */ 280 static void apple_nvme_submit_cmd(struct apple_nvme_queue *nvmeq, struct nvme_command *cmd) 281 { 282 u32 tag = cmd->common.command_id; 283 struct apple_nvmmu_tcb *tcb; 284 285 tcb = nvmeq->ans2_tcb_ptr + tag * sizeof(struct apple_nvmmu_tcb); 286 memset(tcb, 0, sizeof(*tcb)); 287 288 tcb->opcode = cmd->common.opcode; 292 tcb->command_id = tag; 293 294 if (nvme_is_write(cmd)) 295 tcb->dma_flags = APPLE_ANS2_TCB_DMA_TO_DEVICE; 296 else 297 tcb->dma_flags = APPLE_ANS2_TCB_DMA_FROM_DEVICE; 298 299 memcpy(nvmeq->sq_cmds + (tag << nvmeq->sqes), cmd, sizeof(*cmd)); 300 writel(tag, nvmeq->ans2_q_db); 301 } 302 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org