git: wg: Port #25: replace wmb() with cpu_sfence()

[Aaron LI]

commit 594fe1db9585f07d516da4628f2043b8551c6e46
Author: Aaron LI <aly at aaronly.me>
Date:   Thu Nov 9 15:21:49 2023 +0800

    wg: Port #25: replace wmb() with cpu_sfence()
    
    Meanwhile, comment briefly about the memory fence usage.

Summary of changes:
 sys/net/wg/if_wg.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/594fe1db9585f07d516da4628f2043b8551c6e46


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