@@ -1509,14 +1509,15 @@ static int assign_thread_tidr(void)
{
int index;
int err;
+ unsigned long flags;
again:
if (!ida_pre_get(&vas_thread_ida, GFP_KERNEL))
return -ENOMEM;
- spin_lock(&vas_thread_id_lock);
+ spin_lock_irqsave(&vas_thread_id_lock, flags);
err = ida_get_new_above(&vas_thread_ida, 1, &index);
- spin_unlock(&vas_thread_id_lock);
+ spin_unlock_irqrestore(&vas_thread_id_lock, flags);
if (err == -EAGAIN)
goto again;
@@ -1524,9 +1525,9 @@ static int assign_thread_tidr(void)
return err;
if (index > MAX_THREAD_CONTEXT) {
- spin_lock(&vas_thread_id_lock);
+ spin_lock_irqsave(&vas_thread_id_lock, flags);
ida_remove(&vas_thread_ida, index);
- spin_unlock(&vas_thread_id_lock);
+ spin_unlock_irqrestore(&vas_thread_id_lock, flags);
return -ENOMEM;
}
@@ -1535,9 +1536,11 @@ static int assign_thread_tidr(void)
static void free_thread_tidr(int id)
{
- spin_lock(&vas_thread_id_lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&vas_thread_id_lock, flags);
ida_remove(&vas_thread_ida, id);
- spin_unlock(&vas_thread_id_lock);
+ spin_unlock_irqrestore(&vas_thread_id_lock, flags);
}
/*