Explain why wbinv_all is SMP-safe in this case, and add a missing l2 cache
authorian <ian@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Sun, 27 Apr 2014 20:26:15 +0000 (20:26 +0000)
committerian <ian@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Sun, 27 Apr 2014 20:26:15 +0000 (20:26 +0000)
commit69aa6f1f05683eac09f68c4be2c6af9fa2d37388
tree014839e0ae7214ac6c040917ce472b284c572880
parent43d4bc5240c71222a0d416cf1f847a09455a6559
Explain why wbinv_all is SMP-safe in this case, and add a missing l2 cache
flush.  (Either it was missing here, or it isn't needed in the minidump
case.  Adding it here seems like the safer path to consistancy.)

git-svn-id: svn://svn.freebsd.org/base/head@265025 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/arm/arm/dump_machdep.c