Re: [PATCH] 2.5.68 Fix IO_APIC IRQ assignment bug

Maciej W. Rozycki (macro@ds2.pg.gda.pl)
Tue, 22 Apr 2003 17:02:16 +0200 (MET DST)


On Mon, 21 Apr 2003, Chuck Ebbert wrote:

> But doesn't IRQ 0x80, even though it is software-initiated, contend
> with 'real' device interrupts at priority 8, which would mean there are
> three possible sources (80, 81 and 89?) That's what I was assuming...

Problems are with local APIC hardware (with queueing arriving IRQ
messages); "int 0x80" doesn't go through the APIC.

-- 
+  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/