[PATCH v17 19/47] dept: apply timeout consideration to wait_for_completion()/complete()
From: Byungchul Park <byungchul@sk.com>
Date: 2025-10-02 08:13:42
Also in:
dri-devel, linux-arch, linux-block, linux-doc, linux-ext4, linux-fsdevel, linux-i2c, linux-ide, linux-media, linux-mm, linux-nfs, linux-rt-devel, lkml, netdev, rcu
Subsystem:
scheduler, the rest · Maintainers:
Ingo Molnar, Peter Zijlstra, Juri Lelli, Vincent Guittot, Linus Torvalds
Now that CONFIG_DEPT_AGGRESSIVE_TIMEOUT_WAIT was introduced, apply the
consideration to wait_for_completion()/complete().
Signed-off-by: Byungchul Park <byungchul@sk.com>
---
include/linux/completion.h | 4 ++--
kernel/sched/completion.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/completion.h b/include/linux/completion.h
index bd2c207481d6..3200b741de28 100644
--- a/include/linux/completion.h
+++ b/include/linux/completion.h
@@ -41,9 +41,9 @@ do { \
*/
#define init_completion_map(x, m) init_completion(x)
-static inline void complete_acquire(struct completion *x)
+static inline void complete_acquire(struct completion *x, long timeout)
{
- sdt_might_sleep_start(&x->dmap);
+ sdt_might_sleep_start_timeout(&x->dmap, timeout);
}
static inline void complete_release(struct completion *x)diff --git a/kernel/sched/completion.c b/kernel/sched/completion.c
index 19ee702273c0..5e45a60ff7b3 100644
--- a/kernel/sched/completion.c
+++ b/kernel/sched/completion.c
@@ -115,7 +115,7 @@ __wait_for_common(struct completion *x,
{
might_sleep();
- complete_acquire(x);
+ complete_acquire(x, timeout);
raw_spin_lock_irq(&x->wait.lock);
timeout = do_wait_for_common(x, action, timeout, state);--
2.17.1