> >
> > Linux leaves the BIOS area alone, but interrupts may not be directly
> > usable because Linux loads a different IDT and reprograms the IO-APIC,
> > which is used in place of the interrupt controller if it exists.
> >
> what I've never heard of is the IO-APIC (allthough there's a file
> named io_apic.c just in the same directory).
ah, I see ... that's an enhanced interrupt controller which is used
on SMP boards. is it correct that this one is only configured/activated
when:
.config
[...]
# CONFIG_X86_UP_APIC is not set
# CONFIG_X86_UP_IOAPIC is not set
these options are set? therefore, since this options are off, the
IO-APIC is not being used, correct?
herbert
-
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/
This archive was generated by hypermail 2b29 : Thu Oct 31 2002 - 22:00:56 EST