K 10
svn:author
V 8
jhibbits
K 8
svn:date
V 27
2019-12-15T21:20:18.645741Z
K 7
svn:log
V 399
powerpc/powernv: Set the PTCR for the Nest MMU

The Nest MMU manages address translation for accelerators on the POWER9.  To
do so, it needs a page table, so export the system page table to the Nest
MMU.  This will quietly fail on pre-POWER9 systems that do not have a NMMU.

The NMMU is currently unused, so this change is currently effectively a NOP,
but the NMMU and VAS will eventually be used.

END