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

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v2: Fix for !SMP build

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Suresh Siddha
2008-08-23 17:47:11 +02:00
committed by Ingo Molnar
parent e17941b0c1
commit 11c231a962
1 changed files with 2 additions and 0 deletions
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2
arch/x86/kernel/cpu/addon_cpuid_features.c
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@@ -69,6 +69,7 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
*/ */
void __cpuinit detect_extended_topology(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 eax, ebx, ecx, edx, sub_index;
unsigned int ht_mask_width, core_plus_mask_width; unsigned int ht_mask_width, core_plus_mask_width;
unsigned int core_select_mask, core_level_siblings; 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", printk(KERN_INFO "CPU: Processor Core ID: %d\n",
c->cpu_core_id); c->cpu_core_id);
return; return;
#endif
} }
#ifdef CONFIG_X86_PAT #ifdef CONFIG_X86_PAT