x86: cosmetic changes apic-related files.

This patch simply changes cpumask_t to struct cpumask and similar
trivial modernizations.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c
index 9d0386c..b255507 100644
--- a/arch/x86/kernel/genx2apic_phys.c
+++ b/arch/x86/kernel/genx2apic_phys.c
@@ -29,15 +29,15 @@
 
 /* Start with all IRQs pointing to boot CPU.  IRQ balancing will shift them. */
 
-static const cpumask_t *x2apic_target_cpus(void)
+static const struct cpumask *x2apic_target_cpus(void)
 {
-	return &cpumask_of_cpu(0);
+	return cpumask_of(0);
 }
 
-static void x2apic_vector_allocation_domain(int cpu, cpumask_t *retmask)
+static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask)
 {
-	cpus_clear(*retmask);
-	cpu_set(cpu, *retmask);
+	cpumask_clear(retmask);
+	cpumask_set_cpu(cpu, retmask);
 }
 
 static void __x2apic_send_IPI_dest(unsigned int apicid, int vector,
@@ -53,27 +53,28 @@
 	x2apic_icr_write(cfg, apicid);
 }
 
-static void x2apic_send_IPI_mask(const cpumask_t *mask, int vector)
+static void x2apic_send_IPI_mask(const struct cpumask *mask, int vector)
 {
 	unsigned long flags;
 	unsigned long query_cpu;
 
 	local_irq_save(flags);
-	for_each_cpu_mask_nr(query_cpu, *mask) {
+	for_each_cpu(query_cpu, mask) {
 		__x2apic_send_IPI_dest(per_cpu(x86_cpu_to_apicid, query_cpu),
 				       vector, APIC_DEST_PHYSICAL);
 	}
 	local_irq_restore(flags);
 }
 
-static void x2apic_send_IPI_mask_allbutself(const cpumask_t *mask, int vector)
+static void x2apic_send_IPI_mask_allbutself(const struct cpumask *mask,
+					    int vector)
 {
 	unsigned long flags;
 	unsigned long query_cpu;
 	unsigned long this_cpu = smp_processor_id();
 
 	local_irq_save(flags);
-	for_each_cpu_mask_nr(query_cpu, *mask) {
+	for_each_cpu(query_cpu, mask) {
 		if (query_cpu != this_cpu)
 			__x2apic_send_IPI_dest(
 				per_cpu(x86_cpu_to_apicid, query_cpu),
@@ -99,7 +100,7 @@
 
 static void x2apic_send_IPI_all(int vector)
 {
-	x2apic_send_IPI_mask(&cpu_online_map, vector);
+	x2apic_send_IPI_mask(cpu_online_mask, vector);
 }
 
 static int x2apic_apic_id_registered(void)
@@ -107,7 +108,7 @@
 	return 1;
 }
 
-static unsigned int x2apic_cpu_mask_to_apicid(const cpumask_t *cpumask)
+static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask)
 {
 	int cpu;
 
@@ -115,7 +116,7 @@
 	 * We're using fixed IRQ delivery, can only return one phys APIC ID.
 	 * May as well be the first.
 	 */
-	cpu = first_cpu(*cpumask);
+	cpu = cpumask_first(cpumask);
 	if ((unsigned)cpu < nr_cpu_ids)
 		return per_cpu(x86_cpu_to_apicid, cpu);
 	else