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From: Yinghai Lu <Yinghai.Lu@Sun.COM>
To: Andrew Morton <>,
	Thomas Gleixner <>
Cc: LKML <>
Subject: [PATCH] x86_64: not set boot cpu in cpu_online_map at smp_prepare_boot_cpu
Date: Mon, 26 Nov 2007 00:38:41 -0800	[thread overview]
Message-ID: <> (raw)

[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 <>

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;

             reply	other threads:[~2007-11-26  8:35 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-26  8:38 Yinghai Lu [this message]
2007-11-26 20:57 ` Zachary Amsden
2007-11-26 22:06   ` Yinghai Lu
2007-11-26 22:36     ` Zachary Amsden
2008-01-28  2:28 Yinghai Lu
2008-01-28 12:40 ` Ingo Molnar

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