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x86: ioapic: Avoid redundant lookup of irq_cfg 

The caller of ioapic_register_intr() has a pointer to the irq_cfg for
the irq already. Hand it in to avoid a full lookup.

In msi_compose_msg() the pointer to irq_cfg is already available. No
need to look it up again.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
hifive-unleashed-5.1
Thomas Gleixner 2011-03-12 13:47:18 +01:00
parent 08221110e8
commit 1a0e62a49a
1 changed files with 5 additions and 4 deletions
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9
arch/x86/kernel/apic/io_apic.c
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@ -1240,7 +1240,8 @@ static inline int IO_APIC_irq_trigger(int irq)
}
#endif
static void ioapic_register_intr(unsigned int irq, unsigned long trigger)
static void ioapic_register_intr(unsigned int irq, struct irq_cfg *cfg,
unsigned long trigger)
{
struct irq_chip *chip = &ioapic_chip;
irq_flow_handler_t hdl;
@ -1255,7 +1256,7 @@ static void ioapic_register_intr(unsigned int irq, unsigned long trigger)
fasteoi = false;
}
if (irq_remapped(irq_get_chip_data(irq))) {
if (irq_remapped(cfg)) {
irq_set_status_flags(irq, IRQ_MOVE_PCNTXT);
chip = &ir_ioapic_chip;
fasteoi = trigger != 0;
@ -1361,7 +1362,7 @@ static void setup_ioapic_irq(int apic_id, int pin, unsigned int irq,
return;
}
ioapic_register_intr(irq, trigger);
ioapic_register_intr(irq, cfg, trigger);
if (irq < legacy_pic->nr_legacy_irqs)
legacy_pic->mask(irq);
@ -3088,7 +3089,7 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq,
dest = apic->cpu_mask_to_apicid_and(cfg->domain, apic->target_cpus());
if (irq_remapped(irq_get_chip_data(irq))) {
if (irq_remapped(cfg)) {
struct irte irte;
int ir_index;
u16 sub_handle;