[kbuild-all] Re: [RFC PATCH hyperv-next] scsi: storvsc: Use blk_mq_unique_tag() to generate requestIDs

Hi "Andrea, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on next-20210408] [cannot apply to linux/master mkp-scsi/for-next scsi/for-next linus/master v5.12-rc6 v5.12-rc5 v5.12-rc4 v5.12-rc6] [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/Andrea-Parri-Microsoft/scsi-stor... base: 6145d80cfc62e3ed8f16ff584d6287e6d88b82b9 config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/75b45c0a08dd77d31250946c4bf114965... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andrea-Parri-Microsoft/scsi-storvsc-Use-blk_mq_unique_tag-to-generate-requestIDs/20210409-001531 git checkout 75b45c0a08dd77d31250946c4bf114965d9f1835 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 691 | u64 storvsc_next_request_id(struct vmbus_channel *channel, u64 rqst_addr) | ^~~~~~~~~~~~~~~~~~~~~~~ 715 | u64 storvsc_request_addr(struct vmbus_channel *channel, u64 rqst_id) | ^~~~~~~~~~~~~~~~~~~~ vim +/storvsc_next_request_id +691 drivers/scsi/storvsc_drv.c 690 692 { 693 struct storvsc_cmd_request *request = 694 (struct storvsc_cmd_request *)(unsigned long)rqst_addr; 695 struct storvsc_device *stor_device; 696 struct hv_device *device; 697 698 device = (channel->primary_channel != NULL) ? 699 channel->primary_channel->device_obj : channel->device_obj; 700 if (device == NULL) 701 return VMBUS_RQST_ERROR; 702 703 stor_device = get_out_stor_device(device); 704 if (stor_device == NULL) 705 return VMBUS_RQST_ERROR; 706 707 if (request == &stor_device->init_request) 708 return VMBUS_RQST_INIT; 709 if (request == &stor_device->reset_request) 710 return VMBUS_RQST_RESET; 711 712 return blk_mq_unique_tag(request->cmd->request); 713 } 714 716 { 717 struct storvsc_cmd_request *request; 718 struct storvsc_device *stor_device; 719 struct hv_device *device; 720 struct Scsi_Host *shost; 721 struct scsi_cmnd *scmnd; 722 723 device = (channel->primary_channel != NULL) ? 724 channel->primary_channel->device_obj : channel->device_obj; 725 if (device == NULL) 726 return VMBUS_RQST_ERROR; 727 728 stor_device = get_out_stor_device(device); 729 if (stor_device == NULL) 730 return VMBUS_RQST_ERROR; 731 732 if (rqst_id == VMBUS_RQST_INIT) 733 return (unsigned long)&stor_device->init_request; 734 if (rqst_id == VMBUS_RQST_RESET) 735 return (unsigned long)&stor_device->reset_request; 736 737 shost = stor_device->host; 738 739 scmnd = scsi_host_find_tag(shost, rqst_id); 740 if (scmnd == NULL) 741 return VMBUS_RQST_ERROR; 742 743 request = (struct storvsc_cmd_request *)(unsigned long)scsi_cmd_priv(scmnd); 744 return (unsigned long)request; 745 } 746 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org