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Re: [Xen-devel] HVM hypercalls

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] HVM hypercalls
From: Ruslan Nikolaev <nruslan_devel@xxxxxxxxx>
Date: Fri, 30 Jul 2010 09:06:13 -0700 (PDT)
Delivery-date: Fri, 30 Jul 2010 09:06:59 -0700
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I have 2 kernels:

1. From Xen repositary pvops-git (
2. From kernel.org:

Thank you!

--- On Thu, 7/29/10, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

> From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
> Subject: Re: [Xen-devel] HVM hypercalls
> To: "Ruslan Nikolaev" <nruslan_devel@xxxxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> Date: Thursday, July 29, 2010, 11:47 PM
>  On 07/29/2010 11:55 AM, Ruslan
> Nikolaev wrote:
> > Thank you very much! I'll try this. BTW is it required
> to do this for every module with HVM hypercalls or there is
> some shared initialization code in HVM guest (Linux) similar
> to one used in paravirtualized guests?
> > 
> > If it's supposed to be in a module, is there any good
> example I can look at?
> > 
> > AFAIK hypercall_page is being initialized on Xen side
> with appropriate vmcall/vmmcall code. Is this CPUID
> mechanism a standard way to obtain hypercall_page reference
> on HVM domain?
> What kernel are you working with?  There's already
> code to implement pv-on-hvm support for various recent pvops
> kernels, so you can just base your work on those.
>     J

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