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

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

On 11/05/2015 12:12 AM, Gavin Shan wrote:

quoted

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