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Re: [Xen-devel] HVM hypercalls

To: Ruslan Nikolaev <nruslan_devel@xxxxxxxxx>
Subject: Re: [Xen-devel] HVM hypercalls
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Fri, 30 Jul 2010 17:07:59 -0700
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 On 07/30/2010 09:06 AM, Ruslan Nikolaev wrote:
I have 2 kernels:

1. From Xen repositary pvops-git (2.6.31.13).

You want 2.6.32.16 from xen.git - the branch is xen/stable-2.6.32.x

    J

2. From kernel.org: 2.6.32.16

Thank you!
Ruslan.


--- 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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