<20070311052226.C9DED2150A@cvs.netbsd.org> on source-changes
thorpej@NetBSD.org wrote:

> - Implement a RAS-based _lock_cas() for mc68010 systems (Sun2).  See
>   sun68k/sun68k/isr.c.

Hmm, should LOCK_CAS_CHECK() be called in all interrupt handlers?

If so, some of handlers (like clock_intr()) are established via
isr_add_custom() (see sun2/sun2/clock.c) and it will be called
directly, so LOCK_CAS_CHECK() is also required at the end of
clock_intr()?
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Izumi Tsutsui