K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2014-10-28T15:30:33.619210Z
K 7
svn:log
V 220
Convert kern_umtx.c to use fueword() and casueword().

Also fix some mishandling of suword(9) errors as errno, which resulted
in spurious ERESTART.

Sponsored by:	The FreeBSD Foundation
Tested by:	pho
MFC after:	3 weeks

END