1 files changed, 39 insertions, 42 deletions

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 9043251210fb..1184210e6d0c 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
 
@@ -3027,7 +3028,7 @@ 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;
@@ -3035,15 +3036,14 @@ 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);
@@ -3055,7 +3055,7 @@ 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
@@ -3063,7 +3063,8 @@ 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;
@@ -3071,18 +3072,17 @@ 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;
@@ -3106,7 +3106,7 @@ 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 */
@@ -3308,7 +3308,7 @@ 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;
@@ -3316,15 +3316,14 @@ 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);
@@ -3336,7 +3335,7 @@ 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 */
 
@@ -3369,7 +3368,7 @@ 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;
@@ -3377,15 +3376,14 @@ 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);
@@ -3397,7 +3395,7 @@ 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 */
 
@@ -3451,27 +3449,26 @@ 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
 
@@ -3794,10 +3791,10 @@ 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);
                 }
 
         }