[PATCH] x86_64: not set boot cpu in cpu_online_map atsmp_prepare_boot_cpu

[Yinghai Lu]

[PATCH] x86_64: not set boot cpu in cpu_online_map at smp_prepare_boot_cpu

in init/main.c boot_cpu_init() does that before

Signed-off-by: Yinghai Lu <yinghai.lu@xxxxxxx>

diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index 500670c..966d124 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -912,7 +912,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 void __init smp_prepare_boot_cpu(void)
 {
 	int me = smp_processor_id();
-	cpu_set(me, cpu_online_map);
+	/* already set me in cpu_online_map in boot_cpu_init() */
 	cpu_set(me, cpu_callout_map);
 	per_cpu(cpu_state, me) = CPU_ONLINE;
 }
-
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