On Sun, 2011-12-11 at 11:05 +0200, Avi Kivity wrote:
> mmios are strictly ordered.
> 
> Perhaps your printfs are reordered by buffering?  Are they from
> different threads?  Are you using coalesced mmio (which is still
> strictly ordered, if used correctly)? 

I print the queue_selector and queue_address in the printfs, even if
printfs were reordered they would be printing the data right, unlike
they do now. It's the data in the printfs that matters, not their order.

Same vcpu thread with both accesses.

Not using coalesced mmio.

-- 

Sasha.

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