[libvirt] [PATCH] add nested HVM to libxl

Alvin Starr alvin at netvel.net
Fri Oct 2 18:44:08 UTC 2015

I agree that it needs to be done the right way.

I am willing to help where I can but my basic knowledge of the code is 
badly lacking so there is no reasonable way for me to contribute in a 
significant way.

I am ok keeping my own hacks to the code that let me work along on my 
projects and hope that some day this will get fixed.

On 10/02/2015 10:03 AM, Daniel P. Berrange wrote:
> On Fri, Oct 02, 2015 at 09:50:26AM -0400, Alvin Starr wrote:
>> I wondered about this.
>> I first looked at using the CPU feature bit manipulation but that was, at
>> the time, completely unimplemented.
>> The CPU feature code also looked to be somewhat KVM centric.
>> In the end I went for the simple implementation because the complexity of
>> implementing the feature code would mean that I would need to become a
>> libvirt developer and I mostly just want to be a helpful libvirt user.
> Yep, I can certainly understand that POV. Unfortunately I think in this
> case we really do need to do it the right way. IIUC, Xen does indeed allow
> the CPUID mask to be configured, so it ought to be possible to map from
> the libvirt XML to the CPUID mask format. It would certainly be a non-negligble
> bit of work though.
> Regards,
> Daniel

Alvin Starr                   ||   voice: (905)513-7688
Netvel Inc.                   ||   Cell:  (416)806-0133
alvin at netvel.net              ||

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