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From: Nadav Amit <nadav.amit@gmail.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Juergen Gross <jgross@suse.com>,
	the arch/x86 maintainers <x86@kernel.org>,
	lguest@lists.ozlabs.org, kvm <kvm@vger.kernel.org>,
	Rusty Russell <rusty@rustcorp.com.au>,
	George Dunlap <george.dunlap@citrix.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Lai Jiangshan <jiangshanlai+lkml@gmail.com>,
	xen-devel <xen-devel@lists.xenproject.org>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: KVM PV
Date: Mon, 2 Oct 2017 12:11:14 -0700	[thread overview]
Message-ID: <0385483C-83AB-44F7-AD39-F5BB9A3237F1__12079.2827140123$1507037826$gmane$org@gmail.com> (raw)
In-Reply-To: <4ba6c3a0-85cd-4297-b4ed-4b859b953345@redhat.com>


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Paolo Bonzini <pbonzini@redhat.com> wrote:

> On 02/10/2017 12:36, George Dunlap wrote:
>>>> 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.
>>> 
>>> Check the contributors to KVM nested virtualization, you might be surprised.
>>> 
>>> Nested Xen PV is not possible because the Xen hypervisor cannot run as a PV guest.>> It's a technical limitation.
>> 
>> Minor correction: Xen can't run on AWS as a PV guest, but it can run
>> as an L1 hypervisor inside any "fully virtualized" VM (as both AWS and
>> Azure provide), and provide PV L2 guests.
> 
> Yes, that's what I meant.
> 
> Thanks George!

BTW: If anyone missed, Google already announced that they started supporting
nested virtualization.

https://cloudplatform.googleblog.com/2017/09/introducing-nested-virtualization-for.html

Nadav

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  parent reply	other threads:[~2017-10-02 19:11 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-29 15:47 KVM PV (was: Re: [PATCH v2 2/2] x86/lguest: remove lguest support) Lai Jiangshan
2017-09-29 16:39 ` Paolo Bonzini
2017-09-29 16:39 ` Paolo Bonzini
2017-09-30  0:04   ` Lai Jiangshan
2017-09-30  3:39     ` Paolo Bonzini
2017-09-30  3:39     ` Paolo Bonzini
2017-10-02 10:36       ` George Dunlap
2017-10-02 10:36       ` [Xen-devel] " George Dunlap
2017-10-02 12:17         ` KVM PV Paolo Bonzini
2017-10-02 12:17         ` [Xen-devel] " Paolo Bonzini
2017-10-02 19:11           ` Nadav Amit
2017-10-06  7:47             ` Wanpeng Li
2017-10-06  7:47             ` Wanpeng Li
2017-10-02 19:11           ` Nadav Amit [this message]
2017-09-30  0:04   ` KVM PV (was: Re: [PATCH v2 2/2] x86/lguest: remove lguest support) Lai Jiangshan
2017-10-02 10:18   ` [Xen-devel] " George Dunlap
2017-10-02 10:18   ` George Dunlap

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