Messages in this thread | | | Date | Tue, 04 Nov 2008 12:06:23 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH RFC/RFB] x86_64, i386: interrupt dispatch changes |
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H. Peter Anvin wrote: > - we can no longer redirect a stub away from common code by > changing the branch in that slot. We have to instead modify > the IDT. This means "dedicated" interrupts don't get the > vector number at all, which is probably fine -- to be honest, > I'm not sure if they do at the moment either. >
They do, and the various patches to multiplex things like IPIs across multiple vectors rely on it.
J
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