Re: [PATCH] MMIO: Make coalesced mmio use a device per zone

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2011-07-20 10:52, Avi Kivity wrote:
> On 07/20/2011 11:43 AM, Jan Kiszka wrote:
>>>
>>>  How do you implement this 3a, if your consumers are outside the main
>>>  process?  I guess you could have an additional synchonize API (for
>>>  in-kernel consumers) or RPC (for external process consumers), but then
>>>  this is no longer a simple API.
>>
>> I'm not planning to leave the hypervisor process for now, not to speak
>> of in-kernel models. Already for many other reasons, a synchronization
>> API between a hypothetical decoupled device model and the core will be
>> quite complex. The first step is to get it scalable using a single process.
> 
> If we design a new kvm API, we must look a little more into the future 
> than satisfying immediate needs.

That's true, but synchronization requirements are widely unrelated to
this API and will have to by satisfied generically anyway.

Jan

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