Re: 2.6.17-mm6
From: Andrew Morton
Date: Thu Jul 06 2006 - 01:57:57 EST
On Wed, 05 Jul 2006 23:42:00 -0600
ebiederm@xxxxxxxxxxxx (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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