Ruslan Bukin b7b391934d o Add pmap lock around pmap_fault_fixup() to ensure other thread will not
modify l3 pte after we loaded old value and before we stored new value.
o Preset A(accessed), D(dirty) bits for kernel mappings.

Reported by:	kib
Reviewed by:	markj
Discussed with:	jhb
Sponsored by:	DARPA, AFRL
2018-10-26 12:27:07 +00:00
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