Re: [patch] 2.4.19-pre10-ac2: O(1) scheduler merge, -A3.

[Ingo Molnar]

On Mon, 17 Jun 2002, Zwane Mwaikambo wrote:

> > i have planned to submit the irqbalance patch for 2.4-ac real soon, which
> > needs this function - current IRQ distribution on P4 SMP boxes is a
> > showstopper.
> 
> Can we add a config time option for irqbalance? I consider it extra
> overhead for setups which can do the interrupt distribution via hardware
> properly, [...]

What x86 hardware do you have in mind?

My main issue with irqbalance is the lack of testing it has - eg. a
showstopper SMP-on-UP bug was found just two days ago.

> [...] also irqbalance breaks NUMAQ horribly seeing as it assumes a
> number of things like addressing modes.

exactly what does it assume that breaks NUMAQ?

	Ingo