Re: turning off APIC

From: Maciej W. Rozycki (
Date: Mon Sep 16 2002 - 07:15:30 EST

On Mon, 16 Sep 2002, Mikael Pettersson wrote:

> Which APIC? local or I/O? Please be specific.
> "noapic" does not and never has had anything to do with the
> local APIC, only the I/O APIC. There is currently no kernel
> option for preventing the local APIC from being enabled if
> the kernel was built with local APIC support.

 Well, "nosmp" does exactly that for a SMP-capable kernel -- it could be
trivially reused for a UP-APIC configuration (the case is obscure enough
not to invent another option).

+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+        e-mail:, PGP key available        +

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