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Diffstat (limited to 'include/linux/interrupt.h')
-rw-r--r--include/linux/interrupt.h25
1 files changed, 19 insertions, 6 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 51b6484c0493..266f2b39213a 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -109,6 +109,7 @@ typedef irqreturn_t (*irq_handler_t)(int, void *);
* @name: name of the device
* @dev_id: cookie to identify the device
* @percpu_dev_id: cookie to identify the device
+ * @affinity: CPUs this irqaction is allowed to run on
* @next: pointer to the next irqaction for shared interrupts
* @irq: interrupt number
* @flags: flags (see IRQF_* above)
@@ -121,8 +122,11 @@ typedef irqreturn_t (*irq_handler_t)(int, void *);
*/
struct irqaction {
irq_handler_t handler;
- void *dev_id;
- void __percpu *percpu_dev_id;
+ union {
+ void *dev_id;
+ void __percpu *percpu_dev_id;
+ };
+ const struct cpumask *affinity;
struct irqaction *next;
irq_handler_t thread_fn;
struct task_struct *thread;
@@ -179,7 +183,7 @@ request_any_context_irq(unsigned int irq, irq_handler_t handler,
extern int __must_check
__request_percpu_irq(unsigned int irq, irq_handler_t handler,
unsigned long flags, const char *devname,
- void __percpu *percpu_dev_id);
+ const cpumask_t *affinity, void __percpu *percpu_dev_id);
extern int __must_check
request_nmi(unsigned int irq, irq_handler_t handler, unsigned long flags,
@@ -190,12 +194,21 @@ request_percpu_irq(unsigned int irq, irq_handler_t handler,
const char *devname, void __percpu *percpu_dev_id)
{
return __request_percpu_irq(irq, handler, 0,
- devname, percpu_dev_id);
+ devname, NULL, percpu_dev_id);
+}
+
+static inline int __must_check
+request_percpu_irq_affinity(unsigned int irq, irq_handler_t handler,
+ const char *devname, const cpumask_t *affinity,
+ void __percpu *percpu_dev_id)
+{
+ return __request_percpu_irq(irq, handler, 0,
+ devname, affinity, percpu_dev_id);
}
extern int __must_check
-request_percpu_nmi(unsigned int irq, irq_handler_t handler,
- const char *devname, void __percpu *dev);
+request_percpu_nmi(unsigned int irq, irq_handler_t handler, const char *name,
+ const struct cpumask *affinity, void __percpu *dev_id);
extern const void *free_irq(unsigned int, void *);
extern void free_percpu_irq(unsigned int, void __percpu *);