[PATCH] x86: use x2apic id reported by cpuid during topology discovery, fix

From: Suresh Siddha
Date: Sat Aug 23 2008 - 11:47:11 EST


v2: Fix for !SMP build

Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
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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