K 10 svn:author V 5 sephe K 8 svn:date V 27 2016-01-14T03:05:10.994378Z K 7 svn:log V 236 hyperv: implement an event timer Submitted by: Howard Su Reviewed by: delphij, royger, adrian Approved by: adrian (mentor) Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D4676 END