Messages in this thread | | | Date | Tue, 04 Nov 2008 12:26:13 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH RFC/RFB] x86_64, i386: interrupt dispatch changes |
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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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