[patch 4/4] x86: remove unnecessary mdelay() from cpu_disable_common()
From: Suresh Siddha
Date:  Tue Dec 01 2009 - 19:54:57 EST
fixup_irqs() already has a mdelay(). Remove the extra and unnecessary mdelay()
from cpu_disable_common()
Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
---
 arch/x86/kernel/smpboot.c |    9 ---------
 1 file changed, 9 deletions(-)
Index: tip/arch/x86/kernel/smpboot.c
===================================================================
--- tip.orig/arch/x86/kernel/smpboot.c
+++ tip/arch/x86/kernel/smpboot.c
@@ -1250,16 +1250,7 @@ static void __ref remove_cpu_from_maps(i
 void cpu_disable_common(void)
 {
 	int cpu = smp_processor_id();
-	/*
-	 * HACK:
-	 * Allow any queued timer interrupts to get serviced
-	 * This is only a temporary solution until we cleanup
-	 * fixup_irqs as we do for IA64.
-	 */
-	local_irq_enable();
-	mdelay(1);
 
-	local_irq_disable();
 	remove_siblinginfo(cpu);
 
 	/* It's now safe to remove this processor from the online map */
--
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