[PATCH v18 11/42] dept: apply sdt_might_sleep_{start,end}() to swait
From: Byungchul Park <byungchul@sk.com>
Date: 2025-12-05 07:19:29
Also in:
dri-devel, linux-arch, linux-block, linux-doc, linux-ext4, linux-fsdevel, linux-i2c, linux-ide, linux-media, linux-mm, linux-modules, linux-nfs, linux-rt-devel, lkml, rcu, rust-for-linux
Subsystem:
the rest · Maintainer:
Linus Torvalds
Make dept able to track dependencies by swaits. Signed-off-by: Byungchul Park <byungchul@sk.com> --- include/linux/swait.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/include/linux/swait.h b/include/linux/swait.h
index d324419482a0..277ac74f61c3 100644
--- a/include/linux/swait.h
+++ b/include/linux/swait.h@@ -6,6 +6,7 @@ #include <linux/stddef.h> #include <linux/spinlock.h> #include <linux/wait.h> +#include <linux/dept_sdt.h> #include <asm/current.h> /*
@@ -161,6 +162,7 @@ extern void finish_swait(struct swait_queue_head *q, struct swait_queue *wait); struct swait_queue __wait; \ long __ret = ret; \ \ + sdt_might_sleep_start(NULL); \ INIT_LIST_HEAD(&__wait.task_list); \ for (;;) { \ long __int = prepare_to_swait_event(&wq, &__wait, state);\
@@ -176,6 +178,7 @@ extern void finish_swait(struct swait_queue_head *q, struct swait_queue *wait); cmd; \ } \ finish_swait(&wq, &__wait); \ + sdt_might_sleep_end(); \ __out: __ret; \ })
--
2.17.1