"Ronald G. Minnich" wrote:
On Mon, 3 Apr 2000, Maciej W. Rozycki wrote:
Nope. Linux just sets IRQs up based on the MP
table. The MP table is
constructed by BIOS and it reflects physical routing of interrupt lines on
the board. See the code in mpparse.c. The code in io_apic.c is invoked
much later and depends on what gets prepared within mpparse.c.
what if there is no MP table?
One of possible answers is "We should build one" (See my message about SMP
BIOS). As a temporary solution we can use statical MP table. The MP table built
by original BIOS may serve as a good reference.
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