nwhitehorn 745b5bcad4 Use what we really mean (powerpc_lwsync()) rather than the Linux-compat
mb() here and provide some more documentation on what, exactly, makes this
code safe.

Requested by and discussed with:	kib, alc
2015-11-24 16:10:21 +00:00
..
2015-04-30 01:24:25 +00:00