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x86/irq: change irq_desc_alloc() to take node instead of cpu

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This simplifies the node awareness of the code. All our allocators
only deal with a NUMA node ID locality not with CPU ids anyway - so
there's no need to maintain (and transform) a CPU id all across the
IRq layer.

v2: keep move_irq_desc related

[ Impact: cleanup, prepare IRQ code to be NUMA-aware ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
LKML-Reference: <49F65536.2020300@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2009-04-27 18:00:38 -07:00
committed by Ingo Molnar
parent 57b150cce8
commit 85ac16d033
10 changed files with 66 additions and 97 deletions
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2
kernel/softirq.c
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@@ -828,7 +828,7 @@ int __init __weak arch_early_irq_init(void)
return 0;
}
int __weak arch_init_chip_data(struct irq_desc *desc, int cpu)
int __weak arch_init_chip_data(struct irq_desc *desc, int node)
{
return 0;
}