diff options
| -rw-r--r-- | include/linux/irq.h | 2 | ||||
| -rw-r--r-- | kernel/irq/migration.c | 10 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index 56f6583093d2..dd5df1e2d032 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -615,6 +615,7 @@ extern int irq_affinity_online_cpu(unsigned int cpu); #endif #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ) +bool irq_can_move_in_process_context(struct irq_data *data); void __irq_move_irq(struct irq_data *data); static inline void irq_move_irq(struct irq_data *data) { @@ -623,6 +624,7 @@ static inline void irq_move_irq(struct irq_data *data) } void irq_move_masked_irq(struct irq_data *data); #else +static inline bool irq_can_move_in_process_context(struct irq_data *data) { return true; } static inline void irq_move_irq(struct irq_data *data) { } static inline void irq_move_masked_irq(struct irq_data *data) { } #endif diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c index e110300ad650..147cabb4c077 100644 --- a/kernel/irq/migration.c +++ b/kernel/irq/migration.c @@ -127,3 +127,13 @@ void __irq_move_irq(struct irq_data *idata) if (!masked) idata->chip->irq_unmask(idata); } + +bool irq_can_move_in_process_context(struct irq_data *data) +{ + /* + * Get the top level irq_data in the hierarchy, which is optimized + * away when CONFIG_IRQ_DOMAIN_HIERARCHY is disabled. + */ + data = irq_desc_get_irq_data(irq_data_to_desc(data)); + return irq_can_move_pcntxt(data); +} |