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-rw-r--r--arch/ia64/kernel/smpboot.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 3c9d8e6..9f5c90b 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -395,9 +395,13 @@ smp_callin (void)
fix_b0_for_bsp();
lock_ipi_calllock();
+ spin_lock(&vector_lock);
+ /* Setup the per cpu irq handling data structures */
+ __setup_vector_irq(cpuid);
cpu_set(cpuid, cpu_online_map);
unlock_ipi_calllock();
per_cpu(cpu_state, cpuid) = CPU_ONLINE;
+ spin_unlock(&vector_lock);
smp_setup_percpu_timer();
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