unsigned long flags;
unsigned int dest;
cpumask_t tmp;
+ struct irq_desc *desc;
cpus_and(tmp, mask, cpu_online_map);
if (cpus_empty(tmp))
*/
dest = SET_APIC_LOGICAL_ID(dest);
+ desc = irq_to_desc(irq);
spin_lock_irqsave(&ioapic_lock, flags);
__target_IO_APIC_irq(irq, dest, cfg->vector);
- irq_desc[irq].affinity = mask;
+ desc->affinity = mask;
spin_unlock_irqrestore(&ioapic_lock, flags);
}
#endif
static void ioapic_register_intr(int irq, unsigned long trigger)
{
+ struct irq_desc *desc;
+
+ desc = irq_to_desc(irq);
if (trigger)
- irq_desc[irq].status |= IRQ_LEVEL;
+ desc->status |= IRQ_LEVEL;
else
- irq_desc[irq].status &= ~IRQ_LEVEL;
+ desc->status &= ~IRQ_LEVEL;
#ifdef CONFIG_INTR_REMAP
if (irq_remapped(irq)) {
- irq_desc[irq].status |= IRQ_MOVE_PCNTXT;
+ desc->status |= IRQ_MOVE_PCNTXT;
if (trigger)
set_irq_chip_and_handler_name(irq, &ir_ioapic_chip,
handle_fasteoi_irq,
static void migrate_ioapic_irq(int irq, cpumask_t mask)
{
struct irq_cfg *cfg = irq_cfg + irq;
- struct irq_desc *desc = irq_desc + irq;
+ struct irq_desc *desc;
cpumask_t tmp, cleanup_mask;
struct irte irte;
- int modify_ioapic_rte = desc->status & IRQ_LEVEL;
+ int modify_ioapic_rte;
unsigned int dest;
unsigned long flags;
cpus_and(tmp, cfg->domain, mask);
dest = cpu_mask_to_apicid(tmp);
+ desc = irq_to_desc(irq);
+ modify_ioapic_rte = desc->status & IRQ_LEVEL;
if (modify_ioapic_rte) {
spin_lock_irqsave(&ioapic_lock, flags);
__target_IO_APIC_irq(irq, dest, cfg->vector);
cfg->move_in_progress = 0;
}
- irq_desc[irq].affinity = mask;
+ desc->affinity = mask;
}
static int migrate_irq_remapped_level(int irq)
{
int ret = -1;
+ struct irq_desc *desc = irq_to_desc(irq);
mask_IO_APIC_irq(irq);
}
/* everthing is clear. we have right of way */
- migrate_ioapic_irq(irq, irq_desc[irq].pending_mask);
+ migrate_ioapic_irq(irq, desc->pending_mask);
ret = 0;
- irq_desc[irq].status &= ~IRQ_MOVE_PENDING;
- cpus_clear(irq_desc[irq].pending_mask);
+ desc->status &= ~IRQ_MOVE_PENDING;
+ cpus_clear(desc->pending_mask);
unmask:
unmask_IO_APIC_irq(irq);
int irq;
for (irq = 0; irq < nr_irqs; irq++) {
- struct irq_desc *desc = irq_desc + irq;
+ struct irq_desc *desc = irq_to_desc(irq);
if (desc->status & IRQ_MOVE_PENDING) {
unsigned long flags;
continue;
}
- desc->chip->set_affinity(irq,
- irq_desc[irq].pending_mask);
+ desc->chip->set_affinity(irq, desc->pending_mask);
spin_unlock_irqrestore(&desc->lock, flags);
}
}
*/
static void set_ir_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
{
- if (irq_desc[irq].status & IRQ_LEVEL) {
- irq_desc[irq].status |= IRQ_MOVE_PENDING;
- irq_desc[irq].pending_mask = mask;
+ struct irq_desc *desc = irq_to_desc(irq);
+
+ if (desc->status & IRQ_LEVEL) {
+ desc->status |= IRQ_MOVE_PENDING;
+ desc->pending_mask = mask;
migrate_irq_remapped_level(irq);
return;
}
if (irq >= nr_irqs)
continue;
- desc = irq_desc + irq;
+ desc = irq_to_desc(irq);
cfg = irq_cfg + irq;
spin_lock(&desc->lock);
if (!cfg->move_cleanup_count)
irq_complete_move(irq);
#ifdef CONFIG_GENERIC_PENDING_IRQ
/* If we are moving the irq we need to mask it */
- if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) {
+ if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) {
do_unmask_irq = 1;
mask_IO_APIC_irq(irq);
}
static inline void init_IO_APIC_traps(void)
{
int irq;
+ struct irq_desc *desc;
/*
* NOTE! The local APIC isn't very good at handling
*/
if (irq < 16)
make_8259A_irq(irq);
- else
+ else {
+ desc = irq_to_desc(irq);
/* Strange. Oh, well.. */
- irq_desc[irq].chip = &no_irq_chip;
+ desc->chip = &no_irq_chip;
+ }
}
}
}
static void lapic_register_intr(int irq)
{
- irq_desc[irq].status &= ~IRQ_LEVEL;
+ struct irq_desc *desc;
+
+ desc = irq_to_desc(irq);
+ desc->status &= ~IRQ_LEVEL;
set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq,
"edge");
}
struct msi_msg msg;
unsigned int dest;
cpumask_t tmp;
+ struct irq_desc *desc;
cpus_and(tmp, mask, cpu_online_map);
if (cpus_empty(tmp))
msg.address_lo |= MSI_ADDR_DEST_ID(dest);
write_msi_msg(irq, &msg);
- irq_desc[irq].affinity = mask;
+ desc = irq_to_desc(irq);
+ desc->affinity = mask;
}
#ifdef CONFIG_INTR_REMAP
unsigned int dest;
cpumask_t tmp, cleanup_mask;
struct irte irte;
+ struct irq_desc *desc;
cpus_and(tmp, mask, cpu_online_map);
if (cpus_empty(tmp))
cfg->move_in_progress = 0;
}
- irq_desc[irq].affinity = mask;
+ desc = irq_to_desc(irq);
+ desc->affinity = mask;
}
#endif
#endif /* CONFIG_SMP */
#ifdef CONFIG_INTR_REMAP
if (irq_remapped(irq)) {
- struct irq_desc *desc = irq_desc + irq;
+ struct irq_desc *desc = irq_to_desc(irq);
/*
* irq migration in process context
*/
struct msi_msg msg;
unsigned int dest;
cpumask_t tmp;
+ struct irq_desc *desc;
cpus_and(tmp, mask, cpu_online_map);
if (cpus_empty(tmp))
msg.address_lo |= MSI_ADDR_DEST_ID(dest);
dmar_msi_write(irq, &msg);
- irq_desc[irq].affinity = mask;
+ desc = irq_to_desc(irq);
+ desc->affinity = mask;
}
#endif /* CONFIG_SMP */
struct irq_cfg *cfg = irq_cfg + irq;
unsigned int dest;
cpumask_t tmp;
+ struct irq_desc *desc;
cpus_and(tmp, mask, cpu_online_map);
if (cpus_empty(tmp))
dest = cpu_mask_to_apicid(tmp);
target_ht_irq(irq, dest, cfg->vector);
- irq_desc[irq].affinity = mask;
+ desc = irq_to_desc(irq);
+ desc->affinity = mask;
}
#endif