Re: [PATCH v2] Drivers: hv: vmbus: Add /sys/bus/vmbus/supported_features

2021-01-06 Thread Wei Liu
On Tue, Jan 05, 2021 at 04:04:34PM -0800, Dexuan Cui wrote: > When a Linux VM runs on Hyper-V, if the host toolstack doesn't support > hibernation for the VM (this happens on old Hyper-V hosts like Windows > Server 2016, or new Hyper-V hosts if the admin or user doesn't declare > the hibernation

[PATCH v2] Drivers: hv: vmbus: Add /sys/bus/vmbus/supported_features

2021-01-05 Thread Dexuan Cui
When a Linux VM runs on Hyper-V, if the host toolstack doesn't support hibernation for the VM (this happens on old Hyper-V hosts like Windows Server 2016, or new Hyper-V hosts if the admin or user doesn't declare the hibernation intent for the VM), the VM is discouraged from trying hibernation