On Wed, Sep 24, 2008 at 02:10:26PM +0300, Avi Kivity wrote:
> Glauber Costa wrote:
>>> You can't coalesce the registers which trigger device action.  You'll 
>>>  destroy latency and/or functionality.
>>>     
>>
>> which kills the goal of getting rid of explicit kvm code.
>>
>>   
>
> It's a fact that coalescing helps kvm but not qemu.
>
>> So maybe the solution here is to add calls in qemu to a memory
>> coalescing function that in the raw qemu / kqemu case just don't
>> do anything?
>>   
>
> That's just word games.  s/kvm/qemu/ won't change the fact that this is  
> a kvm specific hook.
Any ideas about what's up for the other hypervisors that may (we hope) be 
integrated
in the future? Xen?

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