Ensure map is valid, even before userland exists and the fault address
authorandrew <andrew@FreeBSD.org>
Mon, 22 Aug 2016 18:19:46 +0000 (18:19 +0000)
committerandrew <andrew@FreeBSD.org>
Mon, 22 Aug 2016 18:19:46 +0000 (18:19 +0000)
commit69b3f4f99de389a87f62062cede1d217f2ead481
treeb71f188ab2f1665d45f977a3b3b7d4faecdace1c
parent80de374f97c7ff8d518e4021444485cfb2f60c64
Ensure map is valid, even before userland exists and the fault address
register points to an address in the userland range.

Obtained from: ABT Systems Ltd
MFC after: 1 week
Sponsored by: the FreeBSD Foundation
sys/arm64/arm64/trap.c