[PATCH v7 12/50] powerpc/powernv: Track M64 segment consumption

[Alexey Kardashevskiy]

On 11/05/2015 12:12 AM, Gavin Shan wrote:
> As we track M32 segment consumption, this introduces an array to
> the PHB to track the mapping between M64 segment and PE number.
> The information is going to be used to find M64 segment from the
> PE number during PCI unplugging time in subsequent patches.


It would not hurt to put a few words about how we managed to live without 
such a mapping for M64 before but we needed mapping for M32.




-- 
Alexey