Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6

[pandora-kernel.git] / arch / i386 / kernel / topology.c

diff --git a/arch/i386/kernel/topology.c b/arch/i386/kernel/topology.c
index e2e281d..4578235 100644 (file)
--- a/arch/i386/kernel/topology.c
+++ b/arch/i386/kernel/topology.c
@@ -1,5 +1,5 @@
 /*
- * arch/i386/kernel/topology.c - Populate driverfs with topology information
+ * arch/i386/kernel/topology.c - Populate sysfs with topology information
  *
  * Written by: Matthew Dobson, IBM Corporation
  * Original Code: Paul Dorwin, IBM Corporation, Patrick Mochel, OSDL
@@ -28,6 +28,7 @@
 #include <linux/init.h>
 #include <linux/smp.h>
 #include <linux/nodemask.h>
+#include <linux/mmzone.h>
 #include <asm/cpu.h>
 
 static struct i386_cpu cpu_devices[NR_CPUS];
@@ -39,14 +40,18 @@ int arch_register_cpu(int num)
         * restrictions and assumptions in kernel. This basically
         * doesnt add a control file, one cannot attempt to offline
         * BSP.
+        *
+        * Also certain PCI quirks require not to enable hotplug control
+        * for all CPU's.
         */
-       if (!num)
-               cpu_devices[num].cpu.no_control = 1;
+       if (num && enable_cpu_hotplug)
+               cpu_devices[num].cpu.hotpluggable = 1;
 
        return register_cpu(&cpu_devices[num].cpu, num);
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
+int enable_cpu_hotplug = 1;
 
 void arch_unregister_cpu(int num) {
        return unregister_cpu(&cpu_devices[num].cpu);
@@ -55,34 +60,18 @@ EXPORT_SYMBOL(arch_register_cpu);
 EXPORT_SYMBOL(arch_unregister_cpu);
 #endif /*CONFIG_HOTPLUG_CPU*/
 
-
-
-#ifdef CONFIG_NUMA
-#include <linux/mmzone.h>
-
 static int __init topology_init(void)
 {
        int i;
 
+#ifdef CONFIG_NUMA
        for_each_online_node(i)
                register_one_node(i);
+#endif /* CONFIG_NUMA */
 
        for_each_present_cpu(i)
                arch_register_cpu(i);
        return 0;
 }
 
-#else /* !CONFIG_NUMA */
-
-static int __init topology_init(void)
-{
-       int i;
-
-       for_each_present_cpu(i)
-               arch_register_cpu(i);
-       return 0;
-}
-
-#endif /* CONFIG_NUMA */
-
 subsys_initcall(topology_init);