Merge branches 'core-fixes-for-linus', 'irq-fixes-for-linus' and 'timers-fixes-for...

[linux-2.6-block.git] / include / linux / irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 974890b3c52fbfe0048df3cf7d736798caf873b6..b7cbeed972e425b694f1666343f6fc0558ac439e 100644 (file)
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -22,6 +22,7 @@
 #include <linux/irqnr.h>
 #include <linux/errno.h>
 #include <linux/topology.h>
+#include <linux/wait.h>
 
 #include <asm/irq.h>
 #include <asm/ptrace.h>
@@ -158,6 +159,8 @@ struct irq_2_iommu;
  * @affinity:          IRQ affinity on SMP
  * @cpu:               cpu index useful for balancing
  * @pending_mask:      pending rebalanced interrupts
+ * @threads_active:    number of irqaction threads currently running
+ * @wait_for_threads:  wait queue for sync_irq to wait for threaded handlers
  * @dir:               /proc/irq/ procfs entry
  * @name:              flow handler name for /proc/interrupts output
  */
@@ -189,6 +192,8 @@ struct irq_desc {
        cpumask_var_t           pending_mask;
 #endif
 #endif
+       atomic_t                threads_active;
+       wait_queue_head_t       wait_for_threads;
 #ifdef CONFIG_PROC_FS
        struct proc_dir_entry   *dir;
 #endif
@@ -482,6 +487,16 @@ static inline void init_copy_desc_masks(struct irq_desc *old_desc,
 #endif
 }
 
+static inline void free_desc_masks(struct irq_desc *old_desc,
+                                  struct irq_desc *new_desc)
+{
+       free_cpumask_var(old_desc->affinity);
+
+#ifdef CONFIG_GENERIC_PENDING_IRQ
+       free_cpumask_var(old_desc->pending_mask);
+#endif
+}
+
 #else /* !CONFIG_SMP */
 
 static inline bool init_alloc_desc_masks(struct irq_desc *desc, int cpu,
@@ -495,6 +510,10 @@ static inline void init_copy_desc_masks(struct irq_desc *old_desc,
 {
 }
 
+static inline void free_desc_masks(struct irq_desc *old_desc,
+                                  struct irq_desc *new_desc)
+{
+}
 #endif /* CONFIG_SMP */
 
 #endif /* _LINUX_IRQ_H */