From c1b1a5f1f1b2612b69b67381b223bce9f8ec4da5 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Wed, 19 Mar 2008 04:52:48 -0700 Subject: [SPARC64]: NUMA device infrastructure. Record and propagate NUMA information for devices. Signed-off-by: David S. Miller --- arch/sparc64/kernel/of_device.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'arch/sparc64/kernel/of_device.c') diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c index 0fd9db95b89..9e58e8cba1c 100644 --- a/arch/sparc64/kernel/of_device.c +++ b/arch/sparc64/kernel/of_device.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include @@ -660,6 +661,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op, struct device_node *dp = op->node; struct device_node *pp, *ip; unsigned int orig_irq = irq; + int nid; if (irq == 0xffffffff) return irq; @@ -672,7 +674,7 @@ static unsigned int __init build_one_device_irq(struct of_device *op, printk("%s: direct translate %x --> %x\n", dp->full_name, orig_irq, irq); - return irq; + goto out; } /* Something more complicated. Walk up to the root, applying @@ -744,6 +746,14 @@ static unsigned int __init build_one_device_irq(struct of_device *op, printk("%s: Apply IRQ trans [%s] %x --> %x\n", op->node->full_name, ip->full_name, orig_irq, irq); +out: + nid = of_node_to_nid(dp); + if (nid != -1) { + cpumask_t numa_mask = node_to_cpumask(nid); + + irq_set_affinity(irq, numa_mask); + } + return irq; } -- cgit v1.2.3-70-g09d2