diff options
Diffstat (limited to 'include/linux/irq.h')
| -rw-r--r-- | include/linux/irq.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index 00db35b61e9e..b99a784635ff 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -388,7 +388,12 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) * @irq_mask_ack: ack and mask an interrupt source * @irq_unmask: unmask an interrupt source * @irq_eoi: end of interrupt - * @irq_set_affinity: set the CPU affinity on SMP machines + * @irq_set_affinity: Set the CPU affinity on SMP machines. If the force + * argument is true, it tells the driver to + * unconditionally apply the affinity setting. Sanity + * checks against the supplied affinity mask are not + * required. This is used for CPU hotplug where the + * target CPU is not yet set in the cpu_online_mask. * @irq_retrigger: resend an IRQ to the CPU * @irq_set_type: set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ * @irq_set_wake: enable/disable power-management wake-on of an IRQ @@ -563,6 +568,8 @@ extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg); extern int irq_chip_pm_get(struct irq_data *data); extern int irq_chip_pm_put(struct irq_data *data); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY +extern void handle_fasteoi_ack_irq(struct irq_desc *desc); +extern void handle_fasteoi_mask_irq(struct irq_desc *desc); extern void irq_chip_enable_parent(struct irq_data *data); extern void irq_chip_disable_parent(struct irq_data *data); extern void irq_chip_ack_parent(struct irq_data *data); @@ -776,7 +783,10 @@ static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d) static inline struct cpumask *irq_data_get_effective_affinity_mask(struct irq_data *d) { - return d->common->effective_affinity; + if (!cpumask_empty(d->common->effective_affinity)) + return d->common->effective_affinity; + + return d->common->affinity; } static inline void irq_data_update_effective_affinity(struct irq_data *d, const struct cpumask *m) |