[PATCH] powerpc/mm: Prevent unlikely crash in copro_calculate_slb()

[Michael Ellerman]

Frederic Barrat <fbarrat at linux.vnet.ibm.com> writes:

> Le 13/10/2016 à 12:51, Michael Ellerman a écrit :
>> Frederic Barrat <fbarrat at linux.vnet.ibm.com> writes:
>>
>>> ping? The patch still applies cleanly on recent trees.
>>
>> Fell through the cracks :/
>>
>> Fixes: ?
>
> Nothing obvious. Current code was introduced by 
> 73d16a6e0e51990cbe13f8d8f43bd5329bbab30a
> but it was apparently moved from cell, where the issue may not have 
> applied, I don't know. I guess we should use that id if really needed:
>
> Fixes: 73d16a6e0e51 ("powerpc/cell: Move data segment faulting code out of cell platform")

Yeah that works, it allows us to mechanically determine that "if you
have backported 73d16a6e0e51 then you need this fix", which can be
useful.

cheers