on_each_cpu(): kill unused 'retry' parameter

It's not even passed on to smp_call_function() anymore, since that
was removed. So kill it.

Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c
index 4908dc9..17807ac 100644
--- a/arch/powerpc/oprofile/common.c
+++ b/arch/powerpc/oprofile/common.c
@@ -65,7 +65,7 @@
 
 	/* Configure the registers on all cpus.	 If an error occurs on one
 	 * of the cpus, op_per_cpu_rc will be set to the error */
-	on_each_cpu(op_powerpc_cpu_setup, NULL, 0, 1);
+	on_each_cpu(op_powerpc_cpu_setup, NULL, 1);
 
 out:	if (op_per_cpu_rc) {
 		/* error on setup release the performance counter hardware */
@@ -100,7 +100,7 @@
 	if (model->global_start)
 		return model->global_start(ctr);
 	if (model->start) {
-		on_each_cpu(op_powerpc_cpu_start, NULL, 0, 1);
+		on_each_cpu(op_powerpc_cpu_start, NULL, 1);
 		return op_per_cpu_rc;
 	}
 	return -EIO; /* No start function is defined for this
@@ -115,7 +115,7 @@
 static void op_powerpc_stop(void)
 {
 	if (model->stop)
-		on_each_cpu(op_powerpc_cpu_stop, NULL, 0, 1);
+		on_each_cpu(op_powerpc_cpu_stop, NULL, 1);
         if (model->global_stop)
                 model->global_stop();
 }