RE: [RFT][PATCH] i386 per cpu IDT (2.6.12-rc1-mm1)

[Zwane Mwaikambo]

On Mon, 26 Sep 2005, Nakajima, Jun wrote:

> Zwane Mwaikambo wrote:
> > Apologies for the long periods between updates, i've been doing some
> > relocating.
> > 
> > Changes since last post:
> > 
> > * Current interrupt handling domain is still on a node basis,
> > although i 
> > have moved over to dynamically allocated per cpu IDTs.
> 
> I think it might be better if you define some cpu group where the cpus
> share the same IDT. Then you can handle big SMP machines as well; it's a
> kind of software partitioning limited to I/O device interrupts. That
> will be helpful for virtulization like Xen.

With the move to per cpu IDT, we can now easily fit in a higher level 
policy with respect to which groups share IDTs. 

Thanks,
	Zwane

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