X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=arch%2Fi386%2Fkernel%2Ftopology.c;h=45782356a618d27432f2b8648ef914d4442771d8;hb=42eaf0d8f2e7b8201afc00b0ebe1bd89ea51d42d;hp=e2e281d4bcc80ee7bc3b090e75914606231e6224;hpb=6fa0cb1141da80eed4f86155fb51931bc1c31888;p=pandora-kernel.git

diff --git a/arch/i386/kernel/topology.c b/arch/i386/kernel/topology.c
index e2e281d4bcc8..45782356a618 100644
--- 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);