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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [QEMU PATCH v2 0/2]: KVM: i386: Add support for save and restore nested state |
Date: | Mon, 12 Nov 2018 17:53:38 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 |
On 12/11/2018 17:50, Dr. David Alan Gilbert wrote: >> Migration has always been busted historically, so those people using >> nested VMX already won't be hurt by not having ability to live migrate >> their VM, but could otherwise continue using them without being forced >> to upgrade their kernel to fix a feature they're not even using. > Yes, although I am a bit worried we might have a population of users > that: > a) Have enabled nesting > b) Run VMs with vmx enabled > c) Don't normally actually run nested guests > d) Currently happily migrate. Hmm, let's add a migration blocker for nested virtualization. Paolo
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