X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fpci%2Fintr_remapping.c;h=fccf0e2fcba330f8959ace4b3b1c9e99ff71c0c1;hb=824cd75bf30cfc52c4b468f3cabf6932fd012654;hp=44803644ca058de163a8f856dcb1754ef076614b;hpb=9b74aec028e7d7ce57b8deef490e440003555520;p=pandora-kernel.git

diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 44803644ca05..fccf0e2fcba3 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -548,7 +548,8 @@ static int setup_intr_remapping(struct intel_iommu *iommu, int mode)
 	if (!iommu->ir_table)
 		return -ENOMEM;
 
-	pages = alloc_pages(GFP_ATOMIC | __GFP_ZERO, INTR_REMAP_PAGE_ORDER);
+	pages = alloc_pages_node(iommu->node, GFP_ATOMIC | __GFP_ZERO,
+				 INTR_REMAP_PAGE_ORDER);
 
 	if (!pages) {
 		printk(KERN_ERR "failed to allocate pages of order %d\n",
@@ -603,6 +604,9 @@ int __init intr_remapping_supported(void)
 	if (disable_intremap)
 		return 0;
 
+	if (!dmar_ir_support())
+		return 0;
+
 	for_each_drhd_unit(drhd) {
 		struct intel_iommu *iommu = drhd->iommu;
 
@@ -618,6 +622,11 @@ int __init enable_intr_remapping(int eim)
 	struct dmar_drhd_unit *drhd;
 	int setup = 0;
 
+	if (parse_ioapics_under_ir() != 1) {
+		printk(KERN_INFO "Not enable interrupt remapping\n");
+		return -1;
+	}
+
 	for_each_drhd_unit(drhd) {
 		struct intel_iommu *iommu = drhd->iommu;