Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1742415

Re: KVM PV (was: Re: [PATCH v2 2/2] x86/lguest: remove lguest support)

From Lai Jiangshan <jiangshanlai+lkml@gmail.com>
Newsgroups linux.kernel
Subject Re: KVM PV (was: Re: [PATCH v2 2/2] x86/lguest: remove lguest support)
Date 2017-09-30 02:10 +0200
Message-ID <uvdvX-4Sy-9@gated-at.bofh.it> (permalink)
References <uv5I6-83d-23@gated-at.bofh.it> <uv6ut-8Q-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Sat, Sep 30, 2017 at 12:39 AM, Paolo Bonzini <pbonzini@redhat.com> 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

>

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

KVM PV (was: Re: [PATCH v2 2/2] x86/lguest: remove lguest support) Lai Jiangshan <jiangshanlai+lkml@gmail.com> - 2017-09-29 17:50 +0200
  Re: KVM PV (was: Re: [PATCH v2 2/2] x86/lguest: remove lguest  support) Paolo Bonzini <pbonzini@redhat.com> - 2017-09-29 18:40 +0200
    Re: KVM PV (was: Re: [PATCH v2 2/2] x86/lguest: remove lguest support) Lai Jiangshan <jiangshanlai+lkml@gmail.com> - 2017-09-30 02:10 +0200
      Re: KVM PV (was: Re: [PATCH v2 2/2] x86/lguest: remove lguest  support) Paolo Bonzini <pbonzini@redhat.com> - 2017-09-30 05:40 +0200
        Re: [Xen-devel] KVM PV (was: Re: [PATCH v2 2/2] x86/lguest: remove  lguest support) George Dunlap <george.dunlap@citrix.com> - 2017-10-02 12:40 +0200
          Re: [Xen-devel] KVM PV Paolo Bonzini <pbonzini@redhat.com> - 2017-10-02 14:20 +0200
    Re: [Xen-devel] KVM PV (was: Re: [PATCH v2 2/2] x86/lguest: remove  lguest support) George Dunlap <dunlapg@umich.edu> - 2017-10-02 12:20 +0200

csiph-web