linux-kernel - [PATCH] x86: use cpu_clear in remove_cpu_from

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Message-Id: <200807172150.23463.yhlu.kernel@gmail.com>
Date:	Thu, 17 Jul 2008 21:50:23 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] x86: use cpu_clear in remove_cpu_from_maps


Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>

---
 arch/x86/kernel/smpboot.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/arch/x86/kernel/smpboot.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/smpboot.c
+++ linux-2.6/arch/x86/kernel/smpboot.c
@@ -1310,7 +1310,7 @@ static void __ref remove_cpu_from_maps(i
 	cpu_clear(cpu, cpu_callout_map);
 	cpu_clear(cpu, cpu_callin_map);
 	/* was set by cpu_init() */
-	clear_bit(cpu, (unsigned long *)&cpu_initialized);
+	cpu_clear(cpu, cpu_initialized);
 	numa_remove_cpu(cpu);
 }
 
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