Re: quiet irq 9

Izumi Tsutsui <[email protected]> Thu, 19 Jun 2008 22:43:53 +0900

Newsgroups	gmane.os.netbsd.ports.cobalt
Message-ID	<[email protected]>

> 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