PC-BSD / trueos / 4184d62 / Set PG_G global mapping bit on the trampoline ptes.

PC-BSD/trueos 4184d62 — sys/amd64/amd64 pmap.c

2018-04-14 17:33:16 UTC by kib (kib) on ⎇

releng/12.0

Set PG_G global mapping bit on the trampoline ptes.

Trampoline mappings are better treated as global since they are valid
in all address spaces, even for PTI.  pmap_invalidate_range() must work
on global mappings for pti since kernel_pmap invalidations are really
same as for non-PTI.

Reviewed by:    alc, markj
Tested by:      pho
Sponsored by:   The FreeBSD Foundation
MFC after:      1 month
Differential revision:  https://reviews.freebsd.org/D15052

Delta		File
+1	-1	sys/amd64/amd64/pmap.c
+1	-1	1 files

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