The swait_event_lock_irq() is inspired by wait_event_lock_irq(). This is
required by the workqueue code once it switches to swait.
Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de>
---
include/linux/swait.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/include/linux/swait.h b/include/linux/swait.h
index 73e06e9986d4b..12612823c2cb1 100644
--- a/include/linux/swait.h
+++ b/include/linux/swait.h
@@ -297,4 +297,18 @@ do {
\
__ret; \
})
+#define __swait_event_lock_irq(wq, condition, lock, cmd) \
+ ___swait_event(wq, condition, TASK_UNINTERRUPTIBLE, 0, \
+ raw_spin_unlock_irq(&lock); \
+ cmd; \
+ schedule(); \
+ raw_spin_lock_irq(&lock))
+
+#define swait_event_lock_irq(wq_head, condition, lock) \
+ do { \
+ if (condition) \
+ break; \
+ __swait_event_lock_irq(wq_head, condition, lock, ); \
+ } while (0)
+
#endif /* _LINUX_SWAIT_H */
--
2.20.1
