[Differential] [Updated] D1438: FreeBSD callout rewrite and cleanup

[hselasky (Hans Petter Selasky)]

hselasky set the repository for this revision to rS (FreeBSD src repository).

REVISION DETAIL
  https://reviews.freebsd.org/D1438

To: hselasky, jhb, adrian, markj, emaste, sbruno, imp, lstewart, rwatson, gnn, rrs, kostikbel, delphij, neel, erj, mat, remkolodder, bcr, brueffer, brd, allanjude, wblock
Cc: jch, wblock, freebsd-net