K 10
svn:author
V 10
nwhitehorn
K 8
svn:date
V 27
2015-11-24T16:10:21.103719Z
K 7
svn:log
V 201
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

END