Re: [PATCH RFC 0/8] x86/hvm, libxl: HVM SMT topology support

[Dario Faggioli <dario.faggioli@citrix.com>]

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On Thu, 2016-02-25 at 17:21 +0000, Andrew Cooper wrote:
> On 22/02/16 21:02, Joao Martins wrote:
> > 
> > Any comments are appreciated!
> Hey.  Sorry I am late getting to this - I am currently swamped.  Some
> general observations.
> 
Hi,

I'm also looking forward to find the time to look at this series, but
that will have to wait a few days more, I'm afraid.

However, one thing (coming from Andrew's comment).

> As part of my further cpuid work, I will need to fix this.  I was
> planning to fix it by requiring full cpu topology information to be
> passed as part of the domaincreate or max_vcpus hypercall  (not
> chosen
> which yet).  
>
If that means that, when creating a multi vcpus guest, it will be
necessary to provide Xen with all the information about the
relationship between these multiple vcpus (and that there will be some
sensible default, of course), this would be *awesome*. :-)

At that point, one can just build on top of that, in order to achieve
something like what is implemented in this series, or any other variant
of it, which would indeed be *awesome* (did I said that already? :-D).

Regards,
Dario
-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)


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