> 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/