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Reduce sdt-related branch-fest in mi_switch.
authormjg <mjg@FreeBSD.org>
Tue, 22 May 2018 08:27:33 +0000 (08:27 +0000)
committermjg <mjg@FreeBSD.org>
Tue, 22 May 2018 08:27:33 +0000 (08:27 +0000)
commit660c229aaf72f5f531237a6ec8de40bcc584f825
tree8e3ad499bae6c36d45b408f0c98bf953bee7c1c6
parent0394adab91bc4bb96013324b2b04a4ce6d8bab47
Reduce sdt-related branch-fest in mi_switch.

The code was evaluating flags before resorting to checking if dtrace is
enabled. This was inducing forward jumps in the common case.
sys/kern/kern_synch.c