FreeBSD_HEAD - Build #2979 - Fixed:

Build information:
Full change log:
Full build log:

Change summaries:

285663 by markj:
Modify lockstat_nsecs() to just return unless lockstat probes are actually
enabled. The cost of a timecounter read can be quite significant, and the
problem became more apparent after r284297, since that change resulted in
a call to lockstat_nsecs() for each acquisition of an rwlock read lock.

PR:             201642
Reviewed by:    avg
Tested by:      Jason Unovitch
MFC after:      3 days
Differential Revision:

285662 by benno:
Merge driver for PMC Sierra's range of SAS/SATA HBAs.

Submitted by:   Achim Leubner <>
Reviewed by:    scottl

285661 by ed:
Undo r285656.

It turns out that the CDDL sources already introduce a function called
thread_create(). I'll investigate what we can do to make these functions

Reported by: Ivan Klymenko

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