sparc64: Fix smp_callin() locking.

Interrupts must be disabled when taking the IPI lock.

Caught by lockdep.

Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 708e12a26b0..f7642e5a94d 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -118,9 +118,9 @@ void __cpuinit smp_callin(void)
         while (!cpu_isset(cpuid, smp_commenced_mask))
                 rmb();
 
-        ipi_call_lock();
+        ipi_call_lock_irq();
         cpu_set(cpuid, cpu_online_map);
-        ipi_call_unlock();
+        ipi_call_unlock_irq();
 
         /* idle thread is expected to have preempt disabled */
         preempt_disable();