arch/ia64: remove references to cpu_*_map

This was marked as obsolete for quite a while now..  Now it is time to
remove it altogether.  And while doing this, get rid of first_cpu() as
well.  Also, remove the redundant setting of cpu_online_mask in
smp_prepare_cpus() because the generic code would have already set cpu 0
in cpu_online_mask.

Reported-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index 94e0db7..fb2f1e6 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -57,7 +57,7 @@
 		return irq;
 
 	irq_set_msi_desc(irq, desc);
-	cpus_and(mask, irq_to_domain(irq), cpu_online_map);
+	cpumask_and(&mask, &(irq_to_domain(irq)), cpu_online_mask);
 	dest_phys_id = cpu_physical_id(first_cpu(mask));
 	vector = irq_to_vector(irq);
 
@@ -179,7 +179,7 @@
 	unsigned dest;
 	cpumask_t mask;
 
-	cpus_and(mask, irq_to_domain(irq), cpu_online_map);
+	cpumask_and(&mask, &(irq_to_domain(irq)), cpu_online_mask);
 	dest = cpu_physical_id(first_cpu(mask));
 
 	msg->address_hi = 0;