linux-kernel - [PATCH] pci/intr_remapping: allocate irq

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Date:	Thu, 13 Aug 2009 18:47:06 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>
Subject: [PATCH] pci/intr_remapping: allocate irq_iommu on node -v3


make it use node from irq_desc.
v3: use irq_node

Signed-off-by: Yinghai Lu <yinghai@...nel.org>

---
 drivers/pci/intr_remapping.c |   14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

Index: linux-2.6/drivers/pci/intr_remapping.c
===================================================================
--- linux-2.6.orig/drivers/pci/intr_remapping.c
+++ linux-2.6/drivers/pci/intr_remapping.c
@@ -55,15 +55,12 @@ static struct irq_2_iommu *irq_2_iommu(u
 	return desc->irq_2_iommu;
 }
 
-static struct irq_2_iommu *irq_2_iommu_alloc_node(unsigned int irq, int node)
+static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
 {
 	struct irq_desc *desc;
 	struct irq_2_iommu *irq_iommu;
 
-	/*
-	 * alloc irq desc if not allocated already.
-	 */
-	desc = irq_to_desc_alloc_node(irq, node);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_INFO "can not get irq_desc for %d\n", irq);
 		return NULL;
@@ -72,16 +69,11 @@ static struct irq_2_iommu *irq_2_iommu_a
 	irq_iommu = desc->irq_2_iommu;
 
 	if (!irq_iommu)
-		desc->irq_2_iommu = get_one_free_irq_2_iommu(node);
+		desc->irq_2_iommu = get_one_free_irq_2_iommu(irq_node(irq));
 
 	return desc->irq_2_iommu;
 }
 
-static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
-{
-	return irq_2_iommu_alloc_node(irq, cpu_to_node(boot_cpu_id));
-}
-
 #else /* !CONFIG_SPARSE_IRQ */
 
 static struct irq_2_iommu irq_2_iommuX[NR_IRQS];
--
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