When a vCPU is introspected, it waits for introspection commands or event
replies. If the introspection channel is closed, the receiving thread
will wake-up the vCPU threads. With this function the vCPU thread will
wake-up on SIGKILL too.
Signed-off-by: Adalbert Lazăr <alazar@xxxxxxxxxxxxxxx>
---
include/linux/swait.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/linux/swait.h b/include/linux/swait.h
index 73e06e9986d4..9c53383219f6 100644
--- a/include/linux/swait.h
+++ b/include/linux/swait.h
@@ -297,4 +297,15 @@ do { \
__ret; \
})
+#define __swait_event_killable(wq, condition) \
+ ___swait_event(wq, condition, TASK_KILLABLE, 0, schedule())
+
+#define swait_event_killable_exclusive(wq, condition) \
+({ \
+ int __ret = 0; \
+ if (!(condition)) \
+ __ret = __swait_event_killable(wq, condition); \
+ __ret; \
+})
+
#endif /* _LINUX_SWAIT_H */
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