K 10
svn:author
V 3
ian
K 8
svn:date
V 27
2013-12-13T16:41:04.526089Z
K 7
svn:log
V 259
MFC r256638:

  Add cases for the combinations of busdma sync op flags that we handle
  correctly by doing nothing, then add a panic for the default case, because
  that implies that some driver asked for a sync (probably incorrectly) and
  nothing was done.

END