Messages in this thread |  | | Date | Fri, 29 Sep 2000 11:59:45 +0200 (MET DST) | From | "Maciej W. Rozycki" <> | Subject | Re: [patch] enabling APIC and NMI watchdog on UP systems |
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On Fri, 29 Sep 2000, Keir Fraser wrote:
> Another question relating to the setup of local APICs on current > -testX kernels: how are external interrupts routed through to the > processor? I thought that setup_local_APIC() used LVT0 to pick up > external interrupts, but setup_nmi_watchdog() reconfigures LVT0 into > NMI mode!
I/O APIC interrupts get delivered to local APICs through the inter-APIC serial bus.
-- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@ds2.pg.gda.pl, PGP key available +
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