sephe 0bce0d8016 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>
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7195
2016-07-29 06:22:11 +00:00
..
2016-07-25 16:18:20 +00:00