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Message-id: <200711260038.41710.yinghai.lu@sun.com>
Date: Mon, 26 Nov 2007 00:38:41 -0800
From: Yinghai Lu <Yinghai.Lu@....COM>
To: Andrew Morton <akpm@...ux-foundation.org>,
Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86_64: not set boot cpu in cpu_online_map at
smp_prepare_boot_cpu
[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@....com>
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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