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| author | Yinghai Lu <yinghai@kernel.org> | 2009-04-27 18:02:46 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-28 12:21:19 +0200 |
| commit | 56b581ea9591b5767b1e0204c6a06c7d0c49396e (patch) | |
| tree | 7a777b1effeab3982c563d0c8704a9dbe82de175 /drivers/pci/htirq.c | |
| parent | d047f53a2ecce37e3bdf79eac5a326fbaadb3628 (diff) | |
| download | linux-56b581ea9591b5767b1e0204c6a06c7d0c49396e.tar.gz linux-56b581ea9591b5767b1e0204c6a06c7d0c49396e.tar.bz2 linux-56b581ea9591b5767b1e0204c6a06c7d0c49396e.zip | |
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/htirq.c')
| -rw-r--r-- | drivers/pci/htirq.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index bf7d6ce9bbb3..4e9dd0fe2745 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); |