Re: [Xen-devel] [help]: handling IO instructions for hybrid

[Keir Fraser <keir.xen@xxxxxxxxx>]

On 07/02/2012 02:26, "Mukesh Rathor" <mukesh.rathor@xxxxxxxxxx> wrote:

> 
> Hi all,
> 
> I am figuring io access for hybrid guests, dom0 and domU. I see that there
> are two ways: PV -> emulate_privileged_op(), or hvm handles via
> handle_mmio()/handle_pio(). I am not familiar with either one, and would
> help me lot if anybody expert in that can suggest which way
> hybrid should go, both dom0 and domU. Any suggestions would help. If
> there are any docs on this, that would be great too.

Probably the PV route, for dom0 and domU. Really most things you want to do,
the PV route is going to be the right way (unless you are PVHVM'ing certain
things, e.g., like using EPT assistance for pagetable handling).

 -- Keir

> thanks,
> Mukesh
> 



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