markj
c4bc9a29b5
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
2017-12-18 17:26:24 +00:00
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