jhb 2008-03-20 21:53:27 UTC
FreeBSD src repository
Modified files:
sys/amd64/isa atpic.c
sys/i386/isa atpic.c
Log:
Explicitly use spinlock_enter/exit rather than locking the icu_lock spin
lock in the 8259A drivers as these drivers are only used on UP systems.
This slightly reduces the penalty of an SMP kernel (such as GENERIC) on
a UP x86 machine.
Revision Changes Path
1.24 +14 -15 src/sys/amd64/isa/atpic.c
1.30 +14 -15 src/sys/i386/isa/atpic.c
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