Hi Cai, Thank you for the patch! Yet something to improve: [auto build test ERROR on powerpc/next] [also build test ERROR on v5.15 next-20211108] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Cai-Huoqing/scsi-ibmvscsi-Use-dma_alloc_noncoherent-instead-of-get_zeroed_page-dma_map_single/20211012-112447 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc64-defconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/ff4f34f9b1f3a0f14ed7472b8f4da0e12dc63d56 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Cai-Huoqing/scsi-ibmvscsi-Use-dma_alloc_noncoherent-instead-of-get_zeroed_page-dma_map_single/20211012-112447 git checkout ff4f34f9b1f3a0f14ed7472b8f4da0e12dc63d56 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/scsi/ibmvscsi/ibmvscsi.c: In function 'ibmvscsi_init_crq_queue': >> drivers/scsi/ibmvscsi/ibmvscsi.c:336:21: error: 'struct crq_queue' has no member named 'msg'; did you mean 'msgs'? 336 | if (!queue->msg) | ^~~ | msgs drivers/scsi/ibmvscsi/ibmvscsi.c:390:63: error: 'struct crq_queue' has no member named 'msg'; did you mean 'msgs'? 390 | dma_free_noncoherent(hostdata->dev, PAGE_SIZE, queue->msg, | ^~~ | msgs vim +336 drivers/scsi/ibmvscsi/ibmvscsi.c 313 314 /** 315 * ibmvscsi_init_crq_queue() - Initializes and registers CRQ with hypervisor 316 * @queue: crq_queue to initialize and register 317 * @hostdata: ibmvscsi_host_data of host 318 * @max_requests: maximum requests (unused) 319 * 320 * Allocates a page for messages, maps it for dma, and registers 321 * the crq with the hypervisor. 322 * Returns zero on success. 323 */ 324 static int ibmvscsi_init_crq_queue(struct crq_queue *queue, 325 struct ibmvscsi_host_data *hostdata, 326 int max_requests) 327 { 328 int rc; 329 int retrc; 330 struct vio_dev *vdev = to_vio_dev(hostdata->dev); 331 332 queue->size = PAGE_SIZE / sizeof(*queue->msgs); 333 queue->msgs = dma_alloc_noncoherent(hostdata->dev, 334 PAGE_SIZE, &queue->msg_token, 335 DMA_BIDIRECTIONAL, GFP_KERNEL); > 336 if (!queue->msg) 337 goto malloc_failed; 338 339 gather_partition_info(); 340 set_adapter_info(hostdata); 341 342 retrc = rc = plpar_hcall_norets(H_REG_CRQ, 343 vdev->unit_address, 344 queue->msg_token, PAGE_SIZE); 345 if (rc == H_RESOURCE) 346 /* maybe kexecing and resource is busy. try a reset */ 347 rc = ibmvscsi_reset_crq_queue(queue, 348 hostdata); 349 350 if (rc == H_CLOSED) { 351 /* Adapter is good, but other end is not ready */ 352 dev_warn(hostdata->dev, "Partner adapter not ready\n"); 353 retrc = 0; 354 } else if (rc != 0) { 355 dev_warn(hostdata->dev, "Error %d opening adapter\n", rc); 356 goto reg_crq_failed; 357 } 358 359 queue->cur = 0; 360 spin_lock_init(&queue->lock); 361 362 tasklet_init(&hostdata->srp_task, (void *)ibmvscsi_task, 363 (unsigned long)hostdata); 364 365 if (request_irq(vdev->irq, 366 ibmvscsi_handle_event, 367 0, "ibmvscsi", (void *)hostdata) != 0) { 368 dev_err(hostdata->dev, "couldn't register irq 0x%x\n", 369 vdev->irq); 370 goto req_irq_failed; 371 } 372 373 rc = vio_enable_interrupts(vdev); 374 if (rc != 0) { 375 dev_err(hostdata->dev, "Error %d enabling interrupts!!!\n", rc); 376 goto req_irq_failed; 377 } 378 379 return retrc; 380 381 req_irq_failed: 382 tasklet_kill(&hostdata->srp_task); 383 rc = 0; 384 do { 385 if (rc) 386 msleep(100); 387 rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address); 388 } while ((rc == H_BUSY) || (H_IS_LONG_BUSY(rc))); 389 reg_crq_failed: 390 dma_free_noncoherent(hostdata->dev, PAGE_SIZE, queue->msg, 391 queue->msg_token, DMA_BIDIRECTIONAL); 392 malloc_failed: 393 return -1; 394 } 395 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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