K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2020-07-29T19:38:49.927651Z
K 7
svn:log
V 345
Remove the volatile qualifier from busy_lock.

Use atomic(9) to load the lock state.  Some places were doing this
already, so it was inconsistent.  In initialization code, the lock state
is still initialized with plain stores.

Reviewed by:	alc, kib
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D25861

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