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authorThomas Gleixner <tglx@linutronix.de>2010-10-08 21:50:22 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 16:53:38 +0200
commitf19f5ecc920215decfea54f26e3eb14064506675 (patch)
tree7ee584653067f01be4c8dd98a3ad87d23a786bd9 /arch/x86/kernel/apic
parent5346b2a78fa3b900da672928978475acdd4632dc (diff)
x86: Convert remapped ioapic affinity setting to new irq chip function
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@elte.hu> Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Diffstat (limited to 'arch/x86/kernel/apic')
-rw-r--r--arch/x86/kernel/apic/io_apic.c58
1 files changed, 20 insertions, 38 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 268c5450392..49cc27d5658 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2333,24 +2333,21 @@ ioapic_set_affinity(struct irq_data *data, const struct cpumask *mask,
* the interrupt-remapping table entry.
*/
static int
-migrate_ioapic_irq_desc(struct irq_desc *desc, const struct cpumask *mask)
+ir_ioapic_set_affinity(struct irq_data *data, const struct cpumask *mask,
+ bool force)
{
- struct irq_cfg *cfg;
+ struct irq_cfg *cfg = data->chip_data;
+ unsigned int dest, irq = data->irq;
struct irte irte;
- unsigned int dest;
- unsigned int irq;
- int ret = -1;
if (!cpumask_intersects(mask, cpu_online_mask))
- return ret;
+ return -EINVAL;
- irq = desc->irq;
if (get_irte(irq, &irte))
- return ret;
+ return -EBUSY;
- cfg = get_irq_desc_chip_data(desc);
if (assign_irq_vector(irq, cfg, mask))
- return ret;
+ return -EBUSY;
dest = apic->cpu_mask_to_apicid_and(cfg->domain, mask);
@@ -2365,29 +2362,14 @@ migrate_ioapic_irq_desc(struct irq_desc *desc, const struct cpumask *mask)
if (cfg->move_in_progress)
send_cleanup_vector(cfg);
- cpumask_copy(desc->affinity, mask);
-
+ cpumask_copy(data->affinity, mask);
return 0;
}
-/*
- * Migrates the IRQ destination in the process context.
- */
-static int set_ir_ioapic_affinity_irq_desc(struct irq_desc *desc,
- const struct cpumask *mask)
-{
- return migrate_ioapic_irq_desc(desc, mask);
-}
-static int set_ir_ioapic_affinity_irq(unsigned int irq,
- const struct cpumask *mask)
-{
- struct irq_desc *desc = irq_to_desc(irq);
-
- return set_ir_ioapic_affinity_irq_desc(desc, mask);
-}
#else
-static inline int set_ir_ioapic_affinity_irq_desc(struct irq_desc *desc,
- const struct cpumask *mask)
+static inline int
+ir_ioapic_set_affinity(struct irq_data *data, const struct cpumask *mask,
+ bool force)
{
return 0;
}
@@ -2662,18 +2644,18 @@ static struct irq_chip ioapic_chip __read_mostly = {
};
static struct irq_chip ir_ioapic_chip __read_mostly = {
- .name = "IR-IO-APIC",
- .irq_startup = startup_ioapic_irq,
- .irq_mask = mask_ioapic_irq,
- .irq_unmask = unmask_ioapic_irq,
+ .name = "IR-IO-APIC",
+ .irq_startup = startup_ioapic_irq,
+ .irq_mask = mask_ioapic_irq,
+ .irq_unmask = unmask_ioapic_irq,
#ifdef CONFIG_INTR_REMAP
- .irq_ack = ir_ack_apic_edge,
- .irq_eoi = ir_ack_apic_level,
+ .irq_ack = ir_ack_apic_edge,
+ .irq_eoi = ir_ack_apic_level,
#ifdef CONFIG_SMP
- .set_affinity = set_ir_ioapic_affinity_irq,
+ .irq_set_affinity = ir_ioapic_set_affinity,
#endif
#endif
- .irq_retrigger = ioapic_retrigger_irq,
+ .irq_retrigger = ioapic_retrigger_irq,
};
static inline void init_IO_APIC_traps(void)
@@ -4029,7 +4011,7 @@ void __init setup_ioapic_dest(void)
mask = apic->target_cpus();
if (intr_remapping_enabled)
- set_ir_ioapic_affinity_irq_desc(desc, mask);
+ ir_ioapic_set_affinity(&desc->irq_data, mask, false);
else
ioapic_set_affinity(&desc->irq_data, mask, false);
}