Re: [PATCH] x86: make NR_IRQS on 32bit is same to 64bit

From: Ingo Molnar
Date: Thu Nov 06 2008 - 17:24:41 EST



* Matt Mackall <mpm@xxxxxxxxxxx> wrote:

> On Wed, 2008-11-05 at 22:52 -0800, H. Peter Anvin wrote:
> > Yinghai Lu wrote:
> > >>
> > >> Clean-up sidenote: i think we can now remove the VISWS #ifdef portion
> > >> for good? Mind sending a patch for that too?
> > >
> > > could remove CONFIG_PARAVIRT too.. Jeremy?
> > >
> >
> > This seems like a bad idea, especially for the embedded guys.
>
> I'd actually really like to see us move to dynamically-allocated irq
> tables as they're currently huge. But I haven't dug into it deeply
> enough to see what sort of gotchas are involved.

sparseirq (== dynamic IRQ tables) is all implemented already, and most
of the details except the final feature-enabler are upstream already.

Ingo
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