summaryrefslogtreecommitdiff
path: root/include/linux/irq_work.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/irq_work.h')
-rw-r--r--include/linux/irq_work.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h
index 3b752e80c017..2735da5f839e 100644
--- a/include/linux/irq_work.h
+++ b/include/linux/irq_work.h
@@ -13,6 +13,8 @@
* busy NULL, 2 -> {free, claimed} : callback in progress, can be claimed
*/
+/* flags share CSD_FLAG_ space */
+
#define IRQ_WORK_PENDING BIT(0)
#define IRQ_WORK_BUSY BIT(1)
@@ -23,9 +25,12 @@
#define IRQ_WORK_CLAIMED (IRQ_WORK_PENDING | IRQ_WORK_BUSY)
+/*
+ * structure shares layout with single_call_data_t.
+ */
struct irq_work {
- atomic_t flags;
struct llist_node llnode;
+ atomic_t flags;
void (*func)(struct irq_work *);
};
@@ -53,9 +58,11 @@ void irq_work_sync(struct irq_work *work);
void irq_work_run(void);
bool irq_work_needs_cpu(void);
+void irq_work_single(void *arg);
#else
static inline bool irq_work_needs_cpu(void) { return false; }
static inline void irq_work_run(void) { }
+static inline void irq_work_single(void *arg) { }
#endif
#endif /* _LINUX_IRQ_WORK_H */