On 2012-04-04 03:12, David Gibson wrote:
>> Also, what's about coalesced MMIO? I see that the ring definition
>> depends on [TARGET_]PAGE_SIZE. What page size does the power kernel use
>> for it, and does it make a relevant difference for space?
> 
> Hr, so the HV variant of Power KVM doesn't do coalesced mmio.  The PR
> variant does, but I don't know enough about it to easily answer that.
> If there's a bug there, it hasn't bitten yet, so how about we fix that
> another day.

Not really a smart approach, specifically now that we are aware of a
potential problem here.

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

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