On 05/19/2011 04:23 PM, Anthony Liguori wrote:
Actually, things are a bit more complicated: This layer has to properly
adopt the coalescing properties of underlying regions or we cause
performance regressions to VGA emulation. That means it has to register
dispatching slots of the corresponding size and set the coalescing flag
accordingly. And it likely need to adjust them as the regions below change.


As I mentioned in another thread, I don't think we want to "design" coalescing into the API. Coalescing is something that breaks through abstractions layers and is really just a hack.

It's impossible not to design it into the API. The layer which wants to do coalescing (the device) has no idea if and where its memory is mapped.

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error compiling committee.c: too many arguments to function


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