K 10
svn:author
V 7
delphij
K 8
svn:date
V 27
2011-11-09T21:53:49.367595Z
K 7
svn:log
V 288
Do a dummy read to flush the interrupt ACK that we just performed,
ensuring that everything is really, truly consistent.

This fixes certain cases where one will see various:

mfi0: COMMAND 0xffffffXXXXXXXXXX TIMEOUT AFTER XX SECONDS

MFC after:	3 days
Submitted by:	scottl
Ok'ed by:	jhb

END