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-rw-r--r--kernel/async.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/kernel/async.c b/kernel/async.c
index f286e9f2b736..608b32b42812 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -90,12 +90,12 @@ extern int initcall_debug;
static async_cookie_t __lowest_in_progress(struct list_head *running)
{
struct async_entry *entry;
- if (!list_empty(&async_pending)) {
- entry = list_first_entry(&async_pending,
+ if (!list_empty(running)) {
+ entry = list_first_entry(running,
struct async_entry, list);
return entry->cookie;
- } else if (!list_empty(running)) {
- entry = list_first_entry(running,
+ } else if (!list_empty(&async_pending)) {
+ entry = list_first_entry(&async_pending,
struct async_entry, list);
return entry->cookie;
} else {
@@ -104,6 +104,17 @@ static async_cookie_t __lowest_in_progress(struct list_head *running)
}
}
+
+static async_cookie_t lowest_in_progress(struct list_head *running)
+{
+ unsigned long flags;
+ async_cookie_t ret;
+
+ spin_lock_irqsave(&async_lock, flags);
+ ret = __lowest_in_progress(running);
+ spin_unlock_irqrestore(&async_lock, flags);
+ return ret;
+}
/*
* pick the first pending entry and run it
*/
@@ -229,7 +240,7 @@ void async_synchronize_cookie_special(async_cookie_t cookie, struct list_head *r
starttime = ktime_get();
}
- wait_event(async_done, __lowest_in_progress(running) >= cookie);
+ wait_event(async_done, lowest_in_progress(running) >= cookie);
if (initcall_debug && system_state == SYSTEM_BOOTING) {
endtime = ktime_get();