Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling

[Alexander Graf]

Avi Kivity wrote:
> On 02/10/2010 06:43 PM, Alexander Graf wrote:
>   
>>> Out of curiousity, why? It seems like an odd interface.
>>>   
>>>     
>>>       
>> Because on PPC, you usually run PPC32 userspace code on a PPC64 kernel.
>> Unlike with x86, there's no real benefit in using 64 bit userspace.
>>   
>>     
>
> btw, does 32-bit ppc qemu support large memory guests? It doesn't on
> x86, and I don't remember any hacks to support large memory guests
> elsewhere.
>   


It doesn't :-). In fact, the guest we virtualize wouldn't work with > 2
GB anyways, because that needs an iommu implementation.


Alex