Hi Erni, kernel test robot noticed the following build errors: [auto build test ERROR on hid/for-next] [also build test ERROR on dtor-input/next dtor-input/for-linus linus/master v6.11-rc7 next-20240913] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Erni-Sri-Satya-Vennela/Drivers-hv-vmbus-Disable-Suspend-to-Idle-for-VMBus/20240913-053127 base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next patch link: https://lore.kernel.org/r/1726176470-13133-2-git-send-email-ernis%40linux.microsoft.com patch subject: [PATCH 1/3] Drivers: hv: vmbus: Disable Suspend-to-Idle for VMBus config: x86_64-randconfig-161-20240913 (https://download.01.org/0day-ci/archive/20240914/202409140042.imFE8dSL-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409140042.imFE8dSL-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202409140042.imFE8dSL-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/hv/vmbus_drv.c:985:20: error: use of undeclared identifier 'vmbus_freeze' 985 | .suspend_noirq = vmbus_freeze, | ^ drivers/hv/vmbus_drv.c:1913:42: warning: shift count >= width of type [-Wshift-count-overflow] 1913 | dma_set_mask(&child_device_obj->device, DMA_BIT_MASK(64)); | ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:77:54: note: expanded from macro 'DMA_BIT_MASK' 77 | #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) | ^ ~~~ 1 warning and 1 error generated. vim +/vmbus_freeze +985 drivers/hv/vmbus_drv.c 973 974 /* 975 * Note: we must use the "noirq" ops: see the comment before vmbus_bus_pm. 976 * 977 * suspend_noirq/resume_noirq are set to NULL to support Suspend-to-Idle: we 978 * shouldn't suspend the vmbus devices upon Suspend-to-Idle, otherwise there 979 * is no way to wake up a Generation-2 VM. 980 * 981 * The other 4 ops are for hibernation. 982 */ 983 984 static const struct dev_pm_ops vmbus_pm = { > 985 .suspend_noirq = vmbus_freeze, 986 .resume_noirq = NULL, 987 .freeze_noirq = vmbus_suspend, 988 .thaw_noirq = vmbus_resume, 989 .poweroff_noirq = vmbus_suspend, 990 .restore_noirq = vmbus_resume, 991 }; 992 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
