i386: Fix build.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

diff --git a/xen/arch/x86/msi.c b/xen/arch/x86/msi.c
index bd69319b461425fe6ab39d54fad4a7df4f97da2d..3bc4abd283f8db7a3a47168d2aecf03905869d5f 100644 (file)
--- a/xen/arch/x86/msi.c
+++ b/xen/arch/x86/msi.c
@@ -520,7 +520,7 @@ static int msi_capability_init(struct pci_dev *dev, int vector)
 
 static u64 pci_resource_start(struct pci_dev *dev, u8 bar_index)
 {
-    unsigned long bar_base;
+    u64 bar_base;
     u8 bus = dev->bus;
     u8 slot = PCI_SLOT(dev->devfn);
     u8 func = PCI_FUNC(dev->devfn);