[SPARC64]: NUMA device infrastructure.

Record and propagate NUMA information for devices.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 1 deletions

diff --git a/arch/sparc64/kernel/pci_msi.c b/arch/sparc64/kernel/pci_msi.c
index d6d64b44af63..db5e8fd8f674 100644
--- a/arch/sparc64/kernel/pci_msi.c
+++ b/arch/sparc64/kernel/pci_msi.c
@@ -279,11 +279,17 @@ static int bringup_one_msi_queue(struct pci_pbm_info *pbm,
                                  unsigned long devino)
 {
         int irq = ops->msiq_build_irq(pbm, msiqid, devino);
-        int err;
+        int err, nid;
 
         if (irq < 0)
                 return irq;
 
+        nid = pbm->numa_node;
+        if (nid != -1) {
+                cpumask_t numa_mask = node_to_cpumask(nid);
+
+                irq_set_affinity(irq, numa_mask);
+        }
         err = request_irq(irq, sparc64_msiq_interrupt, 0,
                           "MSIQ",
                           &pbm->msiq_irq_cookies[msiqid - pbm->msiq_first]);