K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2020-05-14T20:17:09.405477Z
K 7
svn:log
V 299
Fix r361037.

Reorder flag manipulations and use barrier to ensure that the program
order is followed by compiler and CPU, for unlocked reader of so_state.

In collaboration with:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D24842

END