From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: HVM hypercalls
Date: Thu, 29 Jul 2010 12:47:00 -0700
Message-ID: <4C51DAB4.4030007@goop.org>
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To: Ruslan Nikolaev <nruslan_devel@yahoo.com>
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  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