Matthew Dillon wrote:
    The old addage, "First make it work, then make it fast", applies big
    time here.  So I'd say use coarse polling for now.

two thoughts:

how about using O_ASYNC and SIGIO for console and network, etc?

we could build a device tree (starting with a nexus), where drivers could register 
filedescs as "interrupt" resources.  or something like that...

cheers
 simon

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