Re: [PATCH] irq: Add node_affinity CPU masks for smarterirqbalance hints

[Peter Zijlstra]

On Tue, 2009-11-24 at 00:59 -0800, Peter P Waskiewicz Jr wrote:
> > This all sounds backwards.. we've got a perfectly functional interface
> > for affinity -- which people object to being used for some reason. So
> > you add another interface on top, and that is ok?
> > 
> 
> But it's not functional.  If I set the affinity in smp_affinity, then
> irqbalance will override it 10 seconds later. 

And here I was thinking the kernel round-robins IRQ delivery on the mask
specified there. Are you talking about some daft userspace thing that
writes into the irq smp_affinity to effect irq balancing?

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