diff mbox series

[RFC,v7,19/23] dept: Apply timeout consideration to swait

Message ID 1673235231-30302-20-git-send-email-byungchul.park@lge.com (mailing list archive)
State New, archived
Headers show
Series DEPT(Dependency Tracker) | expand

Commit Message

Byungchul Park Jan. 9, 2023, 3:33 a.m. UTC 
Now that CONFIG_DEPT_AGGRESSIVE_TIMEOUT_WAIT was introduced, apply the
consideration to swait, assuming an input 'ret' in ___swait_event()
macro is used as a timeout value.

Signed-off-by: Byungchul Park <byungchul.park@lge.com>
---
 include/linux/swait.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/linux/swait.h b/include/linux/swait.h
index 1304209..339e5f2 100644
--- a/include/linux/swait.h
+++ b/include/linux/swait.h
@@ -162,7 +162,10 @@  static inline bool swq_has_sleeper(struct swait_queue_head *wq)
 	struct swait_queue __wait;					\
 	long __ret = ret;						\
 									\
-	sdt_might_sleep_weak(NULL);					\
+	if (!__ret || __ret == MAX_SCHEDULE_TIMEOUT)			\
+		sdt_might_sleep_weak(NULL);				\
+	else								\
+		sdt_might_sleep_weak_timeout(NULL);			\
 	INIT_LIST_HEAD(&__wait.task_list);				\
 	for (;;) {							\
 		long __int = prepare_to_swait_event(&wq, &__wait, state);\