x86: fully honor "nolapic"

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Impact: widen the effect of the 'nolapic' boot parameter

"nolapic" should not only suppress SMP and use of the LAPIC, but it
also ought to have the effect of disabling all IO-APIC related activity
as well as PCI MSI and HT-IRQs.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Jan Beulich 2009-01-14 12:27:35 +00:00 • committed by Ingo Molnar

parent 5cca0cf15a

commit f11826385b

3 changed files with 13 additions and 1 deletions

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7

arch/x86/kernel/apic.c

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6

arch/x86/kernel/io_apic.c

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1

arch/x86/kernel/smpboot.c

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