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

Gavin Shan
2015-11-17T01:14:50Z

On Mon, Nov 16, 2015 at 07:01:59PM +1100, Alexey Kardashevskiy wrote:
>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.
>

The M32 mapping (phb->ioda.m32_segmap[]) isn't used for anything before
this patcheset. There're no need for M64 mapping before this patchset
similarly, no need to add the words.

Thanks,
Gavin