K 10
svn:author
V 6
jrtc27
K 8
svn:date
V 27
2020-10-06T13:02:20.079783Z
K 7
svn:log
V 459
riscv: Handle supervisor instruction page faults

We should never take instruction page faults when in the kernel, but by
using the standard page fault code we should get a more-informative
message about faulting on a NOFAULT page rather than branching to the
default case here and printing an "Unknown kernel exception ..."
message.

Reviewed by:	jhb (mentor), markj
Approved by:	jhb (mentor), markj
Differential Revision:	https://reviews.freebsd.org/D26685

END