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authorYinghai Lu <yinghai@kernel.org>2009-04-27 18:02:46 -0700
committerIngo Molnar <mingo@elte.hu>2009-04-28 12:21:19 +0200
commit56b581ea9591b5767b1e0204c6a06c7d0c49396e (patch)
tree7a777b1effeab3982c563d0c8704a9dbe82de175 /drivers/pci
parentd047f53a2ecce37e3bdf79eac5a326fbaadb3628 (diff)
downloadop-kernel-dev-56b581ea9591b5767b1e0204c6a06c7d0c49396e.zip
op-kernel-dev-56b581ea9591b5767b1e0204c6a06c7d0c49396e.tar.gz
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>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/htirq.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c
index bf7d6ce..4e9dd0f 100644
--- a/drivers/pci/htirq.c
+++ b/drivers/pci/htirq.c
@@ -98,6 +98,7 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
int max_irq;
int pos;
int irq;
+ int node;
pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ);
if (!pos)
@@ -125,7 +126,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
cfg->msg.address_lo = 0xffffffff;
cfg->msg.address_hi = 0xffffffff;
- irq = create_irq();
+ node = dev_to_node(&dev->dev);
+ irq = create_irq_nr(0, node);
if (irq <= 0) {
kfree(cfg);
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