sparc64: Fix IPI call locking.
When I switched sparc64 over to the generic helpers for
smp_call_function(), I didn't convert the dinky call_lock
we had.
Use ipi_call_lock() and ipi_call_unlock().
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 743ccad..0712a44 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -80,8 +80,6 @@
i, cpu_data(i).clock_tick);
}
-static __cacheline_aligned_in_smp DEFINE_SPINLOCK(call_lock);
-
extern void setup_sparc64_timer(void);
static volatile unsigned long callin_flag = 0;
@@ -120,9 +118,9 @@
while (!cpu_isset(cpuid, smp_commenced_mask))
rmb();
- spin_lock(&call_lock);
+ ipi_call_lock();
cpu_set(cpuid, cpu_online_map);
- spin_unlock(&call_lock);
+ ipi_call_unlock();
/* idle thread is expected to have preempt disabled */
preempt_disable();
@@ -1305,9 +1303,9 @@
c->core_id = 0;
c->proc_id = -1;
- spin_lock(&call_lock);
+ ipi_call_lock();
cpu_clear(cpu, cpu_online_map);
- spin_unlock(&call_lock);
+ ipi_call_unlock();
smp_wmb();