Konstantin Belousov 9837947b07 Provide counter_warning(9) KPI which allows to issue limited number of
warnings for some kernel events, mostly intended for the use of
obsoleted or otherwise undersired interfaces.

This is an abstracted and race-expelled code from compat pty driver.

Requested and reviewed by:	jhb
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D7270
2016-07-21 16:34:56 +00:00
..
2016-07-18 04:30:34 +00:00
2015-04-22 14:38:58 +00:00
2016-06-09 18:27:41 +00:00
2016-02-23 23:37:10 +00:00
2015-01-22 11:12:42 +00:00
2016-04-29 22:15:33 +00:00
2015-03-17 14:16:50 +00:00
2016-04-14 17:07:26 +00:00
2016-07-11 17:04:22 +00:00