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-rw-r--r--arch/x86/kernel/cpu/common.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 25581dcb280e..003a65395bd5 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -549,6 +549,10 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
this_cpu->c_early_init(c);
validate_pat_support(c);
+
+#ifdef CONFIG_SMP
+ c->cpu_index = boot_cpu_id;
+#endif
}
void __init early_cpu_init(void)
@@ -1134,7 +1138,7 @@ void __cpuinit cpu_init(void)
/*
* Boot processor to setup the FP and extended state context info.
*/
- if (!smp_processor_id())
+ if (smp_processor_id() == boot_cpu_id)
init_thread_xstate();
xsave_init();
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