K 10
svn:author
V 5
markj
K 8
svn:date
V 27
2017-12-18T17:26:24.829840Z
K 7
svn:log
V 326
Avoid CPU migration in dtrace_gethrtime() on x86.

dtrace_gethrtime() may be called outside of probe context, and in
particular, from the DTRACEIOC_BUFSNAP handler.

Disable interrupts rather than using sched_pin() to help ensure that
we don't call any external functions when in probe context.

PR:		218452
MFC after:	1 week

END