CVS commit: src/sys/kern

["Ryo Shimizu" <ryo%netbsd.org@localhost>]

Module Name:    src
Committed By:   ryo
Date:           Thu Sep  5 09:20:05 UTC 2019

Modified Files:
        src/sys/kern: subr_ipi.c

Log Message:
requires memory barrier before IPI ack.
Problem was seen on the aarch64 cpus.

Fixes PR/54009


To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/kern/subr_ipi.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.