K 10
svn:author
V 6
andrew
K 8
svn:date
V 27
2017-04-13T13:46:01.428983Z
K 7
svn:log
V 324
In ARMv8.1 ARM has added a process state bit to disable access to userspace
from the kernel. Make use of this to restrict accessing userspace to just
the functions that explicitly handle crossing the user kernel boundary.

Reported by:	kib
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D10371

END