11 files changed, 67 insertions, 71 deletions

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index b5229affb953..6107b41da9a5 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -142,7 +142,7 @@ static int lapic_next_event(unsigned long delta,
                             struct clock_event_device *evt);
 static void lapic_timer_setup(enum clock_event_mode mode,
                               struct clock_event_device *evt);
-static void lapic_timer_broadcast(cpumask_t mask);
+static void lapic_timer_broadcast(const struct cpumask *mask);
 static void apic_pm_activate(void);
 
 /*
@@ -455,10 +455,10 @@ static void lapic_timer_setup(enum clock_event_mode mode,
 /*
  * Local APIC timer broadcast function
  */
-static void lapic_timer_broadcast(cpumask_t mask)
+static void lapic_timer_broadcast(const struct cpumask *mask)
 {
 #ifdef CONFIG_SMP
-        send_IPI_mask(mask, LOCAL_TIMER_VECTOR);
+        send_IPI_mask(*mask, LOCAL_TIMER_VECTOR);
 #endif
 }
 
@@ -471,7 +471,7 @@ static void __cpuinit setup_APIC_timer(void)
         struct clock_event_device *levt = &__get_cpu_var(lapic_events);
 
         memcpy(levt, &lapic_clockevent, sizeof(*levt));
-        levt->cpumask = cpumask_of_cpu(smp_processor_id());
+        levt->cpumask = cpumask_of(smp_processor_id());
 
         clockevents_register_device(levt);
 }
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 68b5d8681cbb..15cf14e9bf26 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -626,8 +626,8 @@ static ssize_t show_shared_cpu_map_func(struct _cpuid4_info *this_leaf,
                 cpumask_t *mask = &this_leaf->shared_cpu_map;
 
                 n = type?
-                        cpulist_scnprintf(buf, len-2, *mask):
-                        cpumask_scnprintf(buf, len-2, *mask);
+                        cpulist_scnprintf(buf, len-2, mask) :
+                        cpumask_scnprintf(buf, len-2, mask);
                 buf[n++] = '\n';
                 buf[n] = '\0';
         }
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 3f0a3edf0a57..b5310ff1259e 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -248,7 +248,7 @@ static void hpet_legacy_clockevent_register(void)
          * Start hpet with the boot cpu mask and make it
          * global after the IO_APIC has been initialized.
          */
-        hpet_clockevent.cpumask = cpumask_of_cpu(smp_processor_id());
+        hpet_clockevent.cpumask = cpumask_of(smp_processor_id());
         clockevents_register_device(&hpet_clockevent);
         global_clock_event = &hpet_clockevent;
         printk(KERN_DEBUG "hpet clockevent registered\n");
@@ -303,7 +303,7 @@ static void hpet_set_mode(enum clock_event_mode mode,
                         struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
                         hpet_setup_msi_irq(hdev->irq);
                         disable_irq(hdev->irq);
-                        irq_set_affinity(hdev->irq, cpumask_of_cpu(hdev->cpu));
+                        irq_set_affinity(hdev->irq, cpumask_of(hdev->cpu));
                         enable_irq(hdev->irq);
                 }
                 break;
@@ -451,7 +451,7 @@ static int hpet_setup_irq(struct hpet_dev *dev)
                 return -1;
 
         disable_irq(dev->irq);
-        irq_set_affinity(dev->irq, cpumask_of_cpu(dev->cpu));
+        irq_set_affinity(dev->irq, cpumask_of(dev->cpu));
         enable_irq(dev->irq);
 
         printk(KERN_DEBUG "hpet: %s irq %d for MSI\n",
@@ -502,7 +502,7 @@ static void init_one_hpet_msi_clockevent(struct hpet_dev *hdev, int cpu)
         /* 5 usec minimum reprogramming delta. */
         evt->min_delta_ns = 5000;
 
-        evt->cpumask = cpumask_of_cpu(hdev->cpu);
+        evt->cpumask = cpumask_of(hdev->cpu);
         clockevents_register_device(evt);
 }
 
diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c
index c1b5e3ece1f2..10f92fb532f3 100644
--- a/arch/x86/kernel/i8253.c
+++ b/arch/x86/kernel/i8253.c
@@ -114,7 +114,7 @@ void __init setup_pit_timer(void)
          * Start pit with the boot cpu mask and make it global after the
          * IO_APIC has been initialized.
          */
-        pit_clockevent.cpumask = cpumask_of_cpu(smp_processor_id());
+        pit_clockevent.cpumask = cpumask_of(smp_processor_id());
         pit_clockevent.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC,
                                      pit_clockevent.shift);
         pit_clockevent.max_delta_ns =
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 679e7bbbbcd6..6dbf427175ff 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -361,7 +361,8 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 
 static int assign_irq_vector(int irq, cpumask_t mask);
 
-static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
+static void set_ioapic_affinity_irq(unsigned int irq,
+                                    const struct cpumask *mask)
 {
         struct irq_cfg *cfg;
         unsigned long flags;
@@ -369,15 +370,14 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
         cpumask_t tmp;
         struct irq_desc *desc;
 
-        cpus_and(tmp, mask, cpu_online_map);
-        if (cpus_empty(tmp))
+        if (!cpumask_intersects(mask, cpu_online_mask))
                 return;
 
         cfg = irq_cfg(irq);
-        if (assign_irq_vector(irq, mask))
+        if (assign_irq_vector(irq, *mask))
                 return;
 
-        cpus_and(tmp, cfg->domain, mask);
+        cpumask_and(&tmp, &cfg->domain, mask);
         dest = cpu_mask_to_apicid(tmp);
         /*
          * Only the high 8 bits are valid.
@@ -387,7 +387,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
         desc = irq_to_desc(irq);
         spin_lock_irqsave(&ioapic_lock, flags);
         __target_IO_APIC_irq(irq, dest, cfg->vector);
-        desc->affinity = mask;
+        cpumask_copy(&desc->affinity, mask);
         spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 #endif /* CONFIG_SMP */
@@ -2189,7 +2189,7 @@ static void ir_irq_migration(struct work_struct *work)
                                 continue;
                         }
 
-                        desc->chip->set_affinity(irq, desc->pending_mask);
+                        desc->chip->set_affinity(irq, &desc->pending_mask);
                         spin_unlock_irqrestore(&desc->lock, flags);
                 }
         }
@@ -2198,18 +2198,19 @@ static void ir_irq_migration(struct work_struct *work)
 /*
  * Migrates the IRQ destination in the process context.
  */
-static void set_ir_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
+static void set_ir_ioapic_affinity_irq(unsigned int irq,
+                                       const struct cpumask *mask)
 {
         struct irq_desc *desc = irq_to_desc(irq);
 
         if (desc->status & IRQ_LEVEL) {
                 desc->status |= IRQ_MOVE_PENDING;
-                desc->pending_mask = mask;
+                cpumask_copy(&desc->pending_mask, mask);
                 migrate_irq_remapped_level(irq);
                 return;
         }
 
-        migrate_ioapic_irq(irq, mask);
+        migrate_ioapic_irq(irq, *mask);
 }
 #endif
 
@@ -3026,7 +3027,7 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms
 }
 
 #ifdef CONFIG_SMP
-static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
+static void set_msi_irq_affinity(unsigned int irq, const struct cpumask *mask)
 {
         struct irq_cfg *cfg;
         struct msi_msg msg;
@@ -3034,15 +3035,14 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
         cpumask_t tmp;
         struct irq_desc *desc;
 
-        cpus_and(tmp, mask, cpu_online_map);
-        if (cpus_empty(tmp))
+        if (!cpumask_intersects(mask, cpu_online_mask))
                 return;
 
-        if (assign_irq_vector(irq, mask))
+        if (assign_irq_vector(irq, *mask))
                 return;
 
         cfg = irq_cfg(irq);
-        cpus_and(tmp, cfg->domain, mask);
+        cpumask_and(&tmp, &cfg->domain, mask);
         dest = cpu_mask_to_apicid(tmp);
 
         read_msi_msg(irq, &msg);
@@ -3054,7 +3054,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 
         write_msi_msg(irq, &msg);
         desc = irq_to_desc(irq);
-        desc->affinity = mask;
+        cpumask_copy(&desc->affinity, mask);
 }
 
 #ifdef CONFIG_INTR_REMAP
@@ -3062,7 +3062,8 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
  * Migrate the MSI irq to another cpumask. This migration is
  * done in the process context using interrupt-remapping hardware.
  */
-static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
+static void ir_set_msi_irq_affinity(unsigned int irq,
+                                    const struct cpumask *mask)
 {
         struct irq_cfg *cfg;
         unsigned int dest;
@@ -3070,18 +3071,17 @@ static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
         struct irte irte;
         struct irq_desc *desc;
 
-        cpus_and(tmp, mask, cpu_online_map);
-        if (cpus_empty(tmp))
+        if (!cpumask_intersects(mask, cpu_online_mask))
                 return;
 
         if (get_irte(irq, &irte))
                 return;
 
-        if (assign_irq_vector(irq, mask))
+        if (assign_irq_vector(irq, *mask))
                 return;
 
         cfg = irq_cfg(irq);
-        cpus_and(tmp, cfg->domain, mask);
+        cpumask_and(&tmp, &cfg->domain, mask);
         dest = cpu_mask_to_apicid(tmp);
 
         irte.vector = cfg->vector;
@@ -3105,7 +3105,7 @@ static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
         }
 
         desc = irq_to_desc(irq);
-        desc->affinity = mask;
+        cpumask_copy(&desc->affinity, mask);
 }
 #endif
 #endif /* CONFIG_SMP */
@@ -3307,7 +3307,7 @@ void arch_teardown_msi_irq(unsigned int irq)
 
 #ifdef CONFIG_DMAR
 #ifdef CONFIG_SMP
-static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask)
+static void dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
 {
         struct irq_cfg *cfg;
         struct msi_msg msg;
@@ -3315,15 +3315,14 @@ static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask)
         cpumask_t tmp;
         struct irq_desc *desc;
 
-        cpus_and(tmp, mask, cpu_online_map);
-        if (cpus_empty(tmp))
+        if (!cpumask_intersects(mask, cpu_online_mask))
                 return;
 
-        if (assign_irq_vector(irq, mask))
+        if (assign_irq_vector(irq, *mask))
                 return;
 
         cfg = irq_cfg(irq);
-        cpus_and(tmp, cfg->domain, mask);
+        cpumask_and(&tmp, &cfg->domain, mask);
         dest = cpu_mask_to_apicid(tmp);
 
         dmar_msi_read(irq, &msg);
@@ -3335,7 +3334,7 @@ static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask)
 
         dmar_msi_write(irq, &msg);
         desc = irq_to_desc(irq);
-        desc->affinity = mask;
+        cpumask_copy(&desc->affinity, mask);
 }
 #endif /* CONFIG_SMP */
 
@@ -3368,7 +3367,7 @@ int arch_setup_dmar_msi(unsigned int irq)
 #ifdef CONFIG_HPET_TIMER
 
 #ifdef CONFIG_SMP
-static void hpet_msi_set_affinity(unsigned int irq, cpumask_t mask)
+static void hpet_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
 {
         struct irq_cfg *cfg;
         struct irq_desc *desc;
@@ -3376,15 +3375,14 @@ static void hpet_msi_set_affinity(unsigned int irq, cpumask_t mask)
         unsigned int dest;
         cpumask_t tmp;
 
-        cpus_and(tmp, mask, cpu_online_map);
-        if (cpus_empty(tmp))
+        if (!cpumask_intersects(mask, cpu_online_mask))
                 return;
 
-        if (assign_irq_vector(irq, mask))
+        if (assign_irq_vector(irq, *mask))
                 return;
 
         cfg = irq_cfg(irq);
-        cpus_and(tmp, cfg->domain, mask);
+        cpumask_and(&tmp, &cfg->domain, mask);
         dest = cpu_mask_to_apicid(tmp);
 
         hpet_msi_read(irq, &msg);
@@ -3396,7 +3394,7 @@ static void hpet_msi_set_affinity(unsigned int irq, cpumask_t mask)
 
         hpet_msi_write(irq, &msg);
         desc = irq_to_desc(irq);
-        desc->affinity = mask;
+        cpumask_copy(&desc->affinity, mask);
 }
 #endif /* CONFIG_SMP */
 
@@ -3450,27 +3448,26 @@ static void target_ht_irq(unsigned int irq, unsigned int dest, u8 vector)
         write_ht_irq_msg(irq, &msg);
 }
 
-static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
+static void set_ht_irq_affinity(unsigned int irq, const struct cpumask *mask)
 {
         struct irq_cfg *cfg;
         unsigned int dest;
         cpumask_t tmp;
         struct irq_desc *desc;
 
-        cpus_and(tmp, mask, cpu_online_map);
-        if (cpus_empty(tmp))
+        if (!cpumask_intersects(mask, cpu_online_mask))
                 return;
 
-        if (assign_irq_vector(irq, mask))
+        if (assign_irq_vector(irq, *mask))
                 return;
 
         cfg = irq_cfg(irq);
-        cpus_and(tmp, cfg->domain, mask);
+        cpumask_and(&tmp, &cfg->domain, mask);
         dest = cpu_mask_to_apicid(tmp);
 
         target_ht_irq(irq, dest, cfg->vector);
         desc = irq_to_desc(irq);
-        desc->affinity = mask;
+        cpumask_copy(&desc->affinity, mask);
 }
 #endif
 
@@ -3793,10 +3790,10 @@ void __init setup_ioapic_dest(void)
 
 #ifdef CONFIG_INTR_REMAP
                         if (intr_remapping_enabled)
-                                set_ir_ioapic_affinity_irq(irq, mask);
+                                set_ir_ioapic_affinity_irq(irq, &mask);
                         else
 #endif
-                                set_ioapic_affinity_irq(irq, mask);
+                                set_ioapic_affinity_irq(irq, &mask);
                 }
 
         }
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index a51382672de0..87870a49be4e 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -251,7 +251,7 @@ void fixup_irqs(cpumask_t map)
                         mask = map;
                 }
                 if (desc->chip->set_affinity)
-                        desc->chip->set_affinity(irq, mask);
+                        desc->chip->set_affinity(irq, &mask);
                 else if (desc->action && !(warned++))
                         printk("Cannot set affinity for irq %i\n", irq);
         }
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 1df869e5bd0b..8cbd069e5b41 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -113,7 +113,7 @@ void fixup_irqs(cpumask_t map)
                         desc->chip->mask(irq);
 
                 if (desc->chip->set_affinity)
-                        desc->chip->set_affinity(irq, mask);
+                        desc->chip->set_affinity(irq, &mask);
                 else if (!(warned++))
                         set_affinity = 0;
 
diff --git a/arch/x86/kernel/mfgpt_32.c b/arch/x86/kernel/mfgpt_32.c
index 3b599518c322..c12314c9e86f 100644
--- a/arch/x86/kernel/mfgpt_32.c
+++ b/arch/x86/kernel/mfgpt_32.c
@@ -287,7 +287,7 @@ static struct clock_event_device mfgpt_clockevent = {
         .set_mode = mfgpt_set_mode,
         .set_next_event = mfgpt_next_event,
         .rating = 250,
-        .cpumask = CPU_MASK_ALL,
+        .cpumask = cpu_all_mask,
         .shift = 32
 };
 
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index ae0c0d3bb770..8e8b1193add5 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -282,7 +282,7 @@ static void __cpuinit numa_set_cpumask(int cpu, int enable)
         else
                 cpu_clear(cpu, *mask);
 
-        cpulist_scnprintf(buf, sizeof(buf), *mask);
+        cpulist_scnprintf(buf, sizeof(buf), mask);
         printk(KERN_DEBUG "%s cpu %d node %d: mask now %s\n",
                 enable? "numa_add_cpu":"numa_remove_cpu", cpu, node, buf);
  }
@@ -334,25 +334,25 @@ static const cpumask_t cpu_mask_none;
 /*
  * Returns a pointer to the bitmask of CPUs on Node 'node'.
  */
-const cpumask_t *_node_to_cpumask_ptr(int node)
+const cpumask_t *cpumask_of_node(int node)
 {
         if (node_to_cpumask_map == NULL) {
                 printk(KERN_WARNING
-                        "_node_to_cpumask_ptr(%d): no node_to_cpumask_map!\n",
+                        "cpumask_of_node(%d): no node_to_cpumask_map!\n",
                         node);
                 dump_stack();
                 return (const cpumask_t *)&cpu_online_map;
         }
         if (node >= nr_node_ids) {
                 printk(KERN_WARNING
-                        "_node_to_cpumask_ptr(%d): node > nr_node_ids(%d)\n",
+                        "cpumask_of_node(%d): node > nr_node_ids(%d)\n",
                         node, nr_node_ids);
                 dump_stack();
                 return &cpu_mask_none;
         }
         return &node_to_cpumask_map[node];
 }
-EXPORT_SYMBOL(_node_to_cpumask_ptr);
+EXPORT_SYMBOL(cpumask_of_node);
 
 /*
  * Returns a bitmask of CPUs on Node 'node'.
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index f8500c969442..c5392058cd07 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -102,14 +102,8 @@ EXPORT_SYMBOL(smp_num_siblings);
 /* Last level cache ID of each logical CPU */
 DEFINE_PER_CPU(u16, cpu_llc_id) = BAD_APICID;
 
-/* bitmap of online cpus */
-cpumask_t cpu_online_map __read_mostly;
-EXPORT_SYMBOL(cpu_online_map);
-
 cpumask_t cpu_callin_map;
 cpumask_t cpu_callout_map;
-cpumask_t cpu_possible_map;
-EXPORT_SYMBOL(cpu_possible_map);
 
 /* representing HT siblings of each logical CPU */
 DEFINE_PER_CPU(cpumask_t, cpu_sibling_map);
@@ -502,7 +496,7 @@ void __cpuinit set_cpu_sibling_map(int cpu)
 }
 
 /* maps the cpu to the sched domain representing multi-core */
-cpumask_t cpu_coregroup_map(int cpu)
+const struct cpumask *cpu_coregroup_mask(int cpu)
 {
         struct cpuinfo_x86 *c = &cpu_data(cpu);
         /*
@@ -510,9 +504,14 @@ cpumask_t cpu_coregroup_map(int cpu)
          * And for power savings, we return cpu_core_map
          */
         if (sched_mc_power_savings || sched_smt_power_savings)
-                return per_cpu(cpu_core_map, cpu);
+                return &per_cpu(cpu_core_map, cpu);
         else
-                return c->llc_shared_map;
+                return &c->llc_shared_map;
+}
+
+cpumask_t cpu_coregroup_map(int cpu)
+{
+        return *cpu_coregroup_mask(cpu);
 }
 
 static void impress_friends(void)
diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c
index 254ee07f8635..c4c1f9e09402 100644
--- a/arch/x86/kernel/vmiclock_32.c
+++ b/arch/x86/kernel/vmiclock_32.c
@@ -226,7 +226,7 @@ static void __devinit vmi_time_init_clockevent(void)
         /* Upper bound is clockevent's use of ulong for cycle deltas. */
         evt->max_delta_ns = clockevent_delta2ns(ULONG_MAX, evt);
         evt->min_delta_ns = clockevent_delta2ns(1, evt);
-        evt->cpumask = cpumask_of_cpu(cpu);
+        evt->cpumask = cpumask_of(cpu);
 
         printk(KERN_WARNING "vmi: registering clock event %s. mult=%lu shift=%u\n",
                evt->name, evt->mult, evt->shift);