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irq: make ht irq_desc more numa aware
Try to get irq_desc on the same node as create_irq_nr(). [ Impact: optimization, make HT IRQs more 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> LKML-Reference: <49F655B6.8020109@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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1 changed files with 3 additions and 1 deletions
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@ -98,6 +98,7 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
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int max_irq;
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int pos;
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int irq;
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int node;
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pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ);
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if (!pos)
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@ -125,7 +126,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
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cfg->msg.address_lo = 0xffffffff;
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cfg->msg.address_hi = 0xffffffff;
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irq = create_irq();
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node = dev_to_node(&dev->dev);
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irq = create_irq_nr(0, node);
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if (irq <= 0) {
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kfree(cfg);
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