diff options
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/settings.h | 7 | ||||
| -rw-r--r-- | kernel/irq/spurious.c | 12 |
2 files changed, 16 insertions, 3 deletions
diff --git a/kernel/irq/settings.h b/kernel/irq/settings.h index 1162f1030f18..3320b84cc60f 100644 --- a/kernel/irq/settings.h +++ b/kernel/irq/settings.h @@ -14,6 +14,7 @@ enum { _IRQ_NO_BALANCING = IRQ_NO_BALANCING, _IRQ_NESTED_THREAD = IRQ_NESTED_THREAD, _IRQ_PER_CPU_DEVID = IRQ_PER_CPU_DEVID, + _IRQ_IS_POLLED = IRQ_IS_POLLED, _IRQF_MODIFY_MASK = IRQF_MODIFY_MASK, }; @@ -26,6 +27,7 @@ enum { #define IRQ_NOAUTOEN GOT_YOU_MORON #define IRQ_NESTED_THREAD GOT_YOU_MORON #define IRQ_PER_CPU_DEVID GOT_YOU_MORON +#define IRQ_IS_POLLED GOT_YOU_MORON #undef IRQF_MODIFY_MASK #define IRQF_MODIFY_MASK GOT_YOU_MORON @@ -147,3 +149,8 @@ static inline bool irq_settings_is_nested_thread(struct irq_desc *desc) { return desc->status_use_accessors & _IRQ_NESTED_THREAD; } + +static inline bool irq_settings_is_polled(struct irq_desc *desc) +{ + return desc->status_use_accessors & _IRQ_IS_POLLED; +} diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index 7b5f012bde9d..a1d8cc63b56e 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -67,8 +67,13 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force) raw_spin_lock(&desc->lock); - /* PER_CPU and nested thread interrupts are never polled */ - if (irq_settings_is_per_cpu(desc) || irq_settings_is_nested_thread(desc)) + /* + * PER_CPU, nested thread interrupts and interrupts explicitely + * marked polled are excluded from polling. + */ + if (irq_settings_is_per_cpu(desc) || + irq_settings_is_nested_thread(desc) || + irq_settings_is_polled(desc)) goto out; /* @@ -268,7 +273,8 @@ try_misrouted_irq(unsigned int irq, struct irq_desc *desc, void note_interrupt(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret) { - if (desc->istate & IRQS_POLL_INPROGRESS) + if (desc->istate & IRQS_POLL_INPROGRESS || + irq_settings_is_polled(desc)) return; /* we get here again via the threaded handler */ |