[PATCH v8 20/25] dept: Apply timeout consideration to waitqueue wait

From: Byungchul Park
Date: Thu Jan 26 2023 - 20:52:34 EST


Now that CONFIG_DEPT_AGGRESSIVE_TIMEOUT_WAIT was introduced, apply the
consideration to waitqueue wait, assuming an input 'ret' in
___wait_event() macro is used as a timeout value.

Signed-off-by: Byungchul Park <max.byungchul.park@xxxxxxxxx>
---
include/linux/wait.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/wait.h b/include/linux/wait.h
index ff349e6..aa1bd96 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -304,7 +304,7 @@ static inline void wake_up_pollfree(struct wait_queue_head *wq_head)
struct wait_queue_entry __wq_entry; \
long __ret = ret; /* explicit shadow */ \
\
- sdt_might_sleep_start(NULL); \
+ sdt_might_sleep_start_timeout(NULL, __ret); \
init_wait_entry(&__wq_entry, exclusive ? WQ_FLAG_EXCLUSIVE : 0); \
for (;;) { \
long __int = prepare_to_wait_event(&wq_head, &__wq_entry, state);\
--
1.9.1