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SubjectRe: [patch 2/2] x2apic: use x2apic id reported by cpuid during topology discovery

applied the delta patch below to tip/x86/x2apic - thanks Suresh.

Ingo

From 11c231a962c740b3216eb6565149ae5a7944cba7 Mon Sep 17 00:00:00 2001
From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Sat, 23 Aug 2008 17:47:11 +0200
Subject: [PATCH] x86: use x2apic id reported by cpuid during topology discovery, fix

v2: Fix for !SMP build

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/kernel/cpu/addon_cpuid_features.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index aa9641a..a2d1a54 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -69,6 +69,7 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
*/
void __cpuinit detect_extended_topology(struct cpuinfo_x86 *c)
{
+#ifdef CONFIG_SMP
unsigned int eax, ebx, ecx, edx, sub_index;
unsigned int ht_mask_width, core_plus_mask_width;
unsigned int core_select_mask, core_level_siblings;
@@ -132,6 +133,7 @@ void __cpuinit detect_extended_topology(struct cpuinfo_x86 *c)
printk(KERN_INFO "CPU: Processor Core ID: %d\n",
c->cpu_core_id);
return;
+#endif
}

#ifdef CONFIG_X86_PAT

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