RE: spurious 8259A interrupt
From: Maciej W. Rozycki (macro_at_ds2.pg.gda.pl)
Date: 03/23/04
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Date: Tue, 23 Mar 2004 11:29:40 +0100 (CET) To: "Richard B. Johnson" <root@chaos.analogic.com>
On Mon, 22 Mar 2004, Richard B. Johnson wrote:
> First, you are using the 8259A (XT-PIC). This means you have
> IO-APIC turned off (or it doesn't exist).
An I/O APIC can be used for the wirtual-wire mode as well. Using the
8259A doesn't preclude using an I/O APIC semi-transparently, with ExtINTA
messages travelling across the inter-APIC bus (depending on an APIC
implementation).
-- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@ds2.pg.gda.pl, PGP key available + - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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