From: travis@sgi.com <travis@sgi.com>
Date: Wed, 30 Jan 2008 12:33:11 +0000 (+0100)
Subject: x86: change NR_CPUS arrays in topology
X-Git-Tag: v2.6.25-rc1~1143^2~295
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30964d54e94229f567a7312a0e6666f9deb6a488;p=linux-2.6

x86: change NR_CPUS arrays in topology

Change the following static arrays sized by NR_CPUS to
per_cpu data variables:

	i386_cpu cpu_devices[NR_CPUS];

(And change the struct name to x86_cpu.)

Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
index 7e16d675eb..a0d1719bda 100644
--- a/arch/x86/kernel/topology.c
+++ b/arch/x86/kernel/topology.c
@@ -31,7 +31,7 @@
 #include <linux/mmzone.h>
 #include <asm/cpu.h>
 
-static struct i386_cpu cpu_devices[NR_CPUS];
+static DEFINE_PER_CPU(struct x86_cpu, cpu_devices);
 
 int __cpuinit arch_register_cpu(int num)
 {
@@ -46,16 +46,16 @@ int __cpuinit arch_register_cpu(int num)
 	 */
 #ifdef CONFIG_HOTPLUG_CPU
 	if (num)
-		cpu_devices[num].cpu.hotpluggable = 1;
+		per_cpu(cpu_devices, num).cpu.hotpluggable = 1;
 #endif
 
-	return register_cpu(&cpu_devices[num].cpu, num);
+	return register_cpu(&per_cpu(cpu_devices, num).cpu, num);
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
 void arch_unregister_cpu(int num)
 {
-	return unregister_cpu(&cpu_devices[num].cpu);
+	return unregister_cpu(&per_cpu(cpu_devices, num).cpu);
 }
 EXPORT_SYMBOL(arch_register_cpu);
 EXPORT_SYMBOL(arch_unregister_cpu);
diff --git a/include/asm-x86/cpu.h b/include/asm-x86/cpu.h
index b1bc7b1b64..85ece5f10e 100644
--- a/include/asm-x86/cpu.h
+++ b/include/asm-x86/cpu.h
@@ -7,7 +7,7 @@
 #include <linux/nodemask.h>
 #include <linux/percpu.h>
 
-struct i386_cpu {
+struct x86_cpu {
 	struct cpu cpu;
 };
 extern int arch_register_cpu(int num);