K 10
svn:author
V 5
sephe
K 8
svn:date
V 27
2016-10-12T09:13:16.170229Z
K 7
svn:log
V 330
MFC 303474

    hyperv/storvsc: Use busdma(9) and enable PIM_UNMAPPED by default.

    The UNMAPPED I/O greatly improves userland direct disk I/O performance
    by 35% ~ 135%.

    Submitted by:   Hongjiang Zhang <honzhan microsoft com>
    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7195

END