diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-08 17:11:03 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-19 12:58:20 +0100 |
| commit | a005677b3dd05decdd8880cf3044ae709856f58f (patch) | |
| tree | 529d1454940fe8c6723bd54f01e009d9be2ab840 /include/linux/irq.h | |
| parent | 1ce6068dac1924f7095be5850481e790cbf1b3c1 (diff) | |
| download | op-kernel-dev-a005677b3dd05decdd8880cf3044ae709856f58f.zip op-kernel-dev-a005677b3dd05decdd8880cf3044ae709856f58f.tar.gz | |
genirq: Mirror IRQ_PER_CPU and IRQ_NO_BALANCING in irq_data.state
That's the right data structure to look at for arch code.
Accessor functions are provided.
irqd_is_per_cpu(irqdata);
irqd_can_balance(irqdata);
Coders who access them directly will be tracked down and slapped with
stinking trouts.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/irq.h')
| -rw-r--r-- | include/linux/irq.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index 3f607ad..d5312e6 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -132,10 +132,14 @@ struct irq_data { * Bit masks for irq_data.state * * IRQD_SETAFFINITY_PENDING - Affinity setting is pending + * IRQD_NO_BALANCING - Balancing disabled for this IRQ + * IRQD_PER_CPU - Interrupt is per cpu */ enum { /* Bit 0 - 7 reserved for TYPE will use later */ - IRQD_SETAFFINITY_PENDING = (1 << 8), + IRQD_SETAFFINITY_PENDING = (1 << 8), + IRQD_NO_BALANCING = (1 << 10), + IRQD_PER_CPU = (1 << 11), }; static inline bool irqd_is_setaffinity_pending(struct irq_data *d) @@ -143,6 +147,16 @@ static inline bool irqd_is_setaffinity_pending(struct irq_data *d) return d->state_use_accessors & IRQD_SETAFFINITY_PENDING; } +static inline bool irqd_is_per_cpu(struct irq_data *d) +{ + return d->state_use_accessors & IRQD_PER_CPU; +} + +static inline bool irqd_can_balance(struct irq_data *d) +{ + return !(d->state_use_accessors & (IRQD_PER_CPU | IRQD_NO_BALANCING)); +} + /** * struct irq_chip - hardware interrupt chip descriptor * |
