x86: Remove unnecessary mdelay() from cpu_disable_common()

fixup_irqs() already has a mdelay(). Remove the extra and
unnecessary mdelay() from cpu_disable_common().

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: ebiederm@xmission.com
Cc: garyhade@us.ibm.com
LKML-Reference: <20091201233335.232177348@sbs-t61.sc.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 565ebc65920e3e685161758acb03c4f8106c6b40..324f2a44c22127ac7592bc759bc907b4e6d6d3c7 100644 (file)
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1250,16 +1250,7 @@ static void __ref remove_cpu_from_maps(int cpu)
 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 */