[openib-general] Reserved L_Key API

[Dror Goldenberg]

> -----Original Message-----
> From: Roland Dreier [mailto:roland at topspin.com] 
> Sent: Wednesday, September 15, 2004 6:41 PM
> 
> By the way, I notice that neither the API nor the Tavor MPT 
> format seem to allow creating memory regions of size 2^64 
> since they use a 64-bit value for the size (which means 
> they're limited to 2^64 - 1). I don't think this is a serious 
> issue though.
> 

Think of Tavor as a software friendly design. Use:
 start address = 0x0000000000000001
 length = 0xffffffffffffffff
 pa = 1
And then you got all memory space mapped + 
protection violation if you try to access a NULL
pointer :)
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