Hi,
Is there any reason why there is a fixed split, other than making the
code simpler (i.e. need only one instead of two passes over all pci
devices)?
Because pci-to-pci bridge handles memory access and preferchable memory
access differently.
Sure. The reason for the two regions is clear. But we could still
calculate the size at runtime I think. i.e. do one pass, figure how
much bars with which sizes we have for each type, calculate the window
sizes we'll need, then do a second pass and map the pci regions. That
would also allow to pack the regions better.
cheers,
Gerd
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