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From: David Hildenbrand <david@redhat.com>
To: Dexuan Cui <decui@microsoft.com>,
	KY Srinivasan <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	"sashal@kernel.org" <sashal@kernel.org>,
	"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Michael Kelley <mikelley@microsoft.com>
Subject: Re: [PATCH] hv_balloon: Add the support of hibernation
Date: Thu, 12 Sep 2019 12:11:34 +0200
Message-ID: <dfee4472-da92-fdc7-f277-c98c2e37d09b@redhat.com> (raw)
In-Reply-To: <42de5835-8faa-2047-0f77-db51dd57b036@redhat.com>

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)


-- 

Thanks,

David / dhildenb

  reply index

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-11 23:36 Dexuan Cui
2019-09-12 10:08 ` David Hildenbrand
2019-09-12 10:11   ` David Hildenbrand [this message]
2019-09-12 19:18   ` Dexuan Cui
2019-09-13  7:46     ` David Hildenbrand
2019-09-13 20:54       ` Dexuan Cui
2019-09-13 21:44         ` David Hildenbrand
2019-09-14  0:26           ` Dexuan Cui

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