Hi Dexuan, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.6 next-20200410] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Dexuan-Cui/Drivers-hv-vmbus-Fix-Suspend-to-Idle-for-Generation-2-VM/20200411-061907 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c0cc271173b2e1c2d8d0ceaef14e4dfa79eefc0d config: x86_64-randconfig-h003-20200410 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/hv/vmbus_drv.c:984:18: error: 'vmbus_suspend' undeclared here (not in a function); did you mean 'vmbus_uevent'? .freeze_noirq = vmbus_suspend, ^~~~~~~~~~~~~ vmbus_uevent >> drivers/hv/vmbus_drv.c:985:16: error: 'vmbus_resume' undeclared here (not in a function); did you mean 'vmbus_remove'? .thaw_noirq = vmbus_resume, ^~~~~~~~~~~~ vmbus_remove >> drivers/hv/vmbus_drv.c:2291:18: error: 'vmbus_bus_suspend' undeclared here (not in a function); did you mean 'vmbus_suspend'? .freeze_noirq = vmbus_bus_suspend, ^~~~~~~~~~~~~~~~~ vmbus_suspend >> drivers/hv/vmbus_drv.c:2292:16: error: 'vmbus_bus_resume' undeclared here (not in a function); did you mean 'vmbus_resume'? .thaw_noirq = vmbus_bus_resume, ^~~~~~~~~~~~~~~~ vmbus_resume vim +984 drivers/hv/vmbus_drv.c 970 971 /* 972 * Note: we must use the "noirq" ops: see the comment before vmbus_bus_pm. 973 * 974 * suspend_noirq/resume_noirq are set to NULL to support Suspend-to-Idle: we 975 * shouldn't suspend the vmbus devices upon Suspend-to-Idle, otherwise there 976 * is no way to wake up a Generation-2 VM. 977 * 978 * The other 4 ops are for hibernation. 979 */ 980 981 static const struct dev_pm_ops vmbus_pm = { 982 .suspend_noirq = NULL, 983 .resume_noirq = NULL, > 984 .freeze_noirq = vmbus_suspend, > 985 .thaw_noirq = vmbus_resume, 986 .poweroff_noirq = vmbus_suspend, 987 .restore_noirq = vmbus_resume, 988 }; 989 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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