[PATCH] x86: cpu_index build fix

[Ingo Molnar]

fix:

 arch/x86/kernel/cpu/common.c: In function 'early_identify_cpu':
 arch/x86/kernel/cpu/common.c:553: error: 'struct cpuinfo_x86' has no member named 'cpu_index'

as cpu_index is only available on SMP.

Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 arch/x86/kernel/cpu/common.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index da8f15a..003a653 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -550,7 +550,9 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
 
 	validate_pat_support(c);
 
+#ifdef CONFIG_SMP
 	c->cpu_index = boot_cpu_id;
+#endif
 }
 
 void __init early_cpu_init(void)
--
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