tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 2850c2311ef4bf30ae8dd8927f0f66b026ff08fb commit: 743b237c3a7b0f5b44aa704aae8a1058877b6322 [8563/8895] scsi: storvsc: Add Isolation VM support for storvsc driver config: x86_64-randconfig-r015-20211220 (https://download.01.org/0day-ci/archive/20211222/202112220302.x6d84578-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 6c2bf01270a8a52b7986d5c49eaa7ad1c7083ec5) 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=743b237c3a7b0f5b44aa704aae8a1058877b6322 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 743b237c3a7b0f5b44aa704aae8a1058877b6322 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/hv/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/hv/vmbus_drv.c:2082:29: warning: shift count >= width of type [-Wshift-count-overflow] static u64 vmbus_dma_mask = DMA_BIT_MASK(64); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 1 warning generated. vim +2082 drivers/hv/vmbus_drv.c 2081 > 2082 static u64 vmbus_dma_mask = DMA_BIT_MASK(64); 2083 /* 2084 * vmbus_device_register - Register the child device 2085 */ 2086 int vmbus_device_register(struct hv_device *child_device_obj) 2087 { 2088 struct kobject *kobj = &child_device_obj->device.kobj; 2089 int ret; 2090 2091 dev_set_name(&child_device_obj->device, "%pUl", 2092 &child_device_obj->channel->offermsg.offer.if_instance); 2093 2094 child_device_obj->device.bus = &hv_bus; 2095 child_device_obj->device.parent = &hv_acpi_dev->dev; 2096 child_device_obj->device.release = vmbus_device_release; 2097 2098 /* 2099 * Register with the LDM. This will kick off the driver/device 2100 * binding...which will eventually call vmbus_match() and vmbus_probe() 2101 */ 2102 ret = device_register(&child_device_obj->device); 2103 if (ret) { 2104 pr_err("Unable to register child device\n"); 2105 return ret; 2106 } 2107 2108 child_device_obj->channels_kset = kset_create_and_add("channels", 2109 NULL, kobj); 2110 if (!child_device_obj->channels_kset) { 2111 ret = -ENOMEM; 2112 goto err_dev_unregister; 2113 } 2114 2115 ret = vmbus_add_channel_kobj(child_device_obj, 2116 child_device_obj->channel); 2117 if (ret) { 2118 pr_err("Unable to register primary channeln"); 2119 goto err_kset_unregister; 2120 } 2121 hv_debug_add_dev_dir(child_device_obj); 2122 2123 child_device_obj->device.dma_mask = &vmbus_dma_mask; 2124 child_device_obj->device.dma_parms = &child_device_obj->dma_parms; 2125 return 0; 2126 2127 err_kset_unregister: 2128 kset_unregister(child_device_obj->channels_kset); 2129 2130 err_dev_unregister: 2131 device_unregister(&child_device_obj->device); 2132 return ret; 2133 } 2134 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
