K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2020-02-03T18:23:14.367655Z
K 7
svn:log
V 390
Add wrappers for arm64 atomics.

Add a _llsc suffix for the existing LL/SC-based implementations and add
trivial wrappers.  This is in preparation for supporting LSE-based
atomic(9) implementations.

No functional change intended.

Reviewed by:	andrew, kib
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation, Amazon (hardware)
Differential Revision:	https://reviews.freebsd.org/D23323

END