Re: quiet irq 9

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

> Does this mean interrupt will not happen in after EOI is issued by
> mistake at happening of interrupt in i8259 in a word?

When I wrote EOI code in cobalt/interrupt.c:icu_intr(),
I wondered whether EOI should be sent before calling
interrupt handlers to avoid possible race, but some other
8259 code (algor/pci/pcib.c etc.) did send EOI after
calling handlers, so I left it.

Maybe we should rethink about this.
---
Izumi Tsutsui