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Revision b538e53e


Added by Alex Williamson almost 12 years ago

apic: Don't iterate past last used apic

local_apics are allocated sequentially and never removed, so
we can stop any iterations that go to MAX_APICS as soon as we
hit the first NULL. Looking at a small guest running a virtio-net
workload with oprofile, this drops apic_get_delivery_bitmask()
from #3 in the profile to down in the noise.

Signed-off-by: Alex Williamson <>
Signed-off-by: Anthony Liguori <>


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