On Sat, Sep 30, 2017 at 12:39 AM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > On 29/09/2017 17:47, Lai Jiangshan wrote: >> Hello, all >> >> An interesting (at least to me) thinking came up to me when I found >> that the lguest was removed. But I don't have enough knowledge >> to find out the answer nor energy to implement it in some time. >> >> Is it possible to implement kvm-pv which allows kvm to run on >> the boxes without hardware virtualization support, so that >> qemu/kvm can be used on clouds such as aws, azure? > > No, please don't. :) Even Xen is moving from PV to PVH (paravirtualized > hardware with event channels, grant tables and the like, but still using > hardware extensions for MMU). > > Rather, cloud providers should help getting nested virtualization ready > for production use. At least for KVM it's not that far. > Although I'm not business man, I don't think the top cloud provider[s] would allow nested virtualization, however mature nested virtualization is. Even xen-pv is unable to be nested in the aws and azure. Thanks, Lai >
