FreeBSD/src a82296c (r340404) — sys/kern subr_epoch.c, sys/sys epoch_private.h epoch.h
Uninline epoch(9) entrance and exit. There is no proof that modern
processors would benefit from avoiding a function call, but bloating
code. In fact, clang created an uninlined real function for many
object files in the network stack.
- Move epoch_private.h into subr_epoch.c. Code copied exactly, avoiding
any changes, including style(9).
- Remove private copies of critical_enter/exit.
Reviewed by: kib, jtl
Differential Revision: https://reviews.freebsd.org/D17879
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