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Re: [Qemu-devel] [PATCH 28/35] kvm: x86: Introduce kvmclock device to sa


From: Jan Kiszka
Subject: Re: [Qemu-devel] [PATCH 28/35] kvm: x86: Introduce kvmclock device to save/restore its state
Date: Wed, 19 Jan 2011 18:25:02 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666

On 2011-01-19 17:57, Anthony Liguori wrote:
> On 01/19/2011 07:15 AM, Markus Armbruster wrote:
>> So they interact with KVM (need kvm_state), and they interact with the
>> emulated PCI bus.  Could you elaborate on the fundamental difference
>> between the two interactions that makes you choose the (hypothetical)
>> KVM bus over the PCI bus as device parent?
>>    
> 
> It's almost arbitrary, but I would say it's the direction that I/Os flow.

We need both if we want KVM buses. They are useless for enumerating the
device on that bus the guest sees it on.

Jan

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