Merge branch 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (821 commits)
  x86: make 64bit hpet_set_mapping to use ioremap too, v2
  x86: get x86_phys_bits early
  x86: max_low_pfn_mapped fix #4
  x86: change _node_to_cpumask_ptr to return const ptr
  x86: I/O APIC: remove an IRQ2-mask hack
  x86: fix numaq_tsc_disable calling
  x86, e820: remove end_user_pfn
  x86: max_low_pfn_mapped fix, #3
  x86: max_low_pfn_mapped fix, #2
  x86: max_low_pfn_mapped fix, #1
  x86_64: fix delayed signals
  x86: remove conflicting nx6325 and nx6125 quirks
  x86: Recover timer_ack lost in the merge of the NMI watchdog
  x86: I/O APIC: Never configure IRQ2
  x86: L-APIC: Always fully configure IRQ0
  x86: L-APIC: Set IRQ0 as edge-triggered
  x86: merge dwarf2 headers
  x86: use AS_CFI instead of UNWIND_INFO
  x86: use ignore macro instead of hash comment
  x86: use matching CFI_ENDPROC
  ...

1 files changed, 12 insertions, 9 deletions

diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index d95de2f199cd..19af06927fbc 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -171,8 +171,11 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
 	if (node != -1)
 		set_mp_bus_to_node(busnum, node);
 	else
-		node = get_mp_bus_to_node(busnum);
 #endif
+		node = get_mp_bus_to_node(busnum);
+
+	if (node != -1 && !node_online(node))
+		node = -1;
 
 	/* Allocate per-root-bus (not per bus) arch-specific data.
 	 * TODO: leak; this memory is never freed.
@@ -204,22 +207,23 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
 	if (!bus)
 		kfree(sd);
 
+	if (bus && node != -1) {
 #ifdef CONFIG_ACPI_NUMA
-	if (bus) {
-		if (pxm >= 0) {
+		if (pxm >= 0)
 			printk(KERN_DEBUG "bus %02x -> pxm %d -> node %d\n",
-				busnum, pxm, pxm_to_node(pxm));
-		}
-	}
+				busnum, pxm, node);
+#else
+		printk(KERN_DEBUG "bus %02x -> node %d\n",
+			busnum, node);
 #endif
+	}
 
 	if (bus && (pci_probe & PCI_USE__CRS))
 		get_current_resources(device, busnum, domain, bus);
 	return bus;
 }
 
-extern int pci_routeirq;
-static int __init pci_acpi_init(void)
+int __init pci_acpi_init(void)
 {
 	struct pci_dev *dev = NULL;
 
@@ -253,4 +257,3 @@ static int __init pci_acpi_init(void)
 
 	return 0;
 }
-subsys_initcall(pci_acpi_init);