Re: [PATCH] hv_balloon: Add the support of hibernation

From: David Hildenbrand
Date: Thu Sep 12 2019 - 06:11:39 EST

On 12.09.19 12:08, David Hildenbrand wrote:
> On 12.09.19 01:36, Dexuan Cui wrote:
>> When hibernation is enabled, we must ignore the balloon up/down and
>> hot-add requests from the host, if any.
>> Fow now, if people want to test hibernation, please blacklist hv_balloon
>> or do not enable Dynamic Memory and Memory Resizing. See the comment in
>> balloon_probe() for more info.
> Why do you even care about supporting hibernation? Can't you just pause
> the VM in the hypervisor and continue to live a happy life? :)

(to be more precise, most QEMU/KVM distributions I am aware of don't
support suspend/hibernation of guests for said reason, so I wonder why
Hyper-V needs it)



David / dhildenb