Re: [PATCH RFC/RFB] x86_64, i386: interrupt dispatch changes

[H. Peter Anvin]

Andi Kleen wrote:
> 
> Or again just generate them on demand when the interrupt is set up.
> If you really have 240 interrupts sources you can afford the 5k likely,
> but for most there will be only a minimum number of stubs.
> 
> Although frankly I suspect there are far easier ways to save 5k of memory.
> 

Generating them dynamically is probably pretty ugly too, though.

Shrinking the whole table down to 2K by just regularizing the structure
is trivial, though, and should almost certainly be a win.  The more
esoteric ideas are probably worse.

	-hpa
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