Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[pandora-kernel.git] / arch / x86 / kernel / io_apic.c

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 679e7bb..6dbf427 100644 (file)
--- 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);
                }
 
        }