Re: 2.6.17-mm6

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On Wed, 05 Jul 2006 23:42:00 -0600
[email protected] (Eric W. Biederman) wrote:

> So I suspect that we need to de-percpuify kernel_stat.irqs.

I think so.  We do:

	struct irq_desc *desc = irq_desc + irq;

	kstat_this_cpu.irqs[irq]++;

followed immediately by

	spin_lock(&desc->lock);

false optimisation, or what?
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