Re: [RFC 1/2] KVM/nVMX: Cleanly exit from L2 to L1 on user-space exit

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Subject: Re: [RFC 1/2] KVM/nVMX: Cleanly exit from L2 to L1 on user-space exit
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Wed, 21 Feb 2018 14:29:51 +0100
In-reply-to: <1519217978.24247.34.camel@amazon.de>
References: <1518791030-31765-1-git-send-email-karahmed@amazon.de> <1518791030-31765-2-git-send-email-karahmed@amazon.de> <9a9eb15d-94e9-121b-142c-dda331cb8f7f@redhat.com> <ec535f56-5c8c-b7f2-acda-39b1f175223f@amazon.com> <1519019082.30560.15.camel@amazon.de> <eb6fe8ad-eaf0-db59-3999-f4d7689536b0@redhat.com> <1519217978.24247.34.camel@amazon.de>
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On 21/02/2018 13:59, Raslan, KarimAllah wrote:
> Ironically it still works fine in our environment but it will not 
> work fine for the general use-case.

Yeah, because you have so many assigned devices and don't really have
much to do in userspace.  But it could still break with an L1 hypervisor
that is not Xen or KVM or anything like that.

Paolo

References:
- [RFC 0/2] KVM/nVMX: Add support for saving and restoring L1 hypervisors with its running L2s
  - From: KarimAllah Ahmed
- [RFC 1/2] KVM/nVMX: Cleanly exit from L2 to L1 on user-space exit
  - From: KarimAllah Ahmed
- Re: [RFC 1/2] KVM/nVMX: Cleanly exit from L2 to L1 on user-space exit
  - From: Paolo Bonzini
- Re: [RFC 1/2] KVM/nVMX: Cleanly exit from L2 to L1 on user-space exit
  - From: KarimAllah Ahmed
- Re: [RFC 1/2] KVM/nVMX: Cleanly exit from L2 to L1 on user-space exit
  - From: KarimAllah Ahmed
- Re: [RFC 1/2] KVM/nVMX: Cleanly exit from L2 to L1 on user-space exit
  - From: Paolo Bonzini
- Re: [RFC 1/2] KVM/nVMX: Cleanly exit from L2 to L1 on user-space exit
  - From: Raslan, KarimAllah

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