The kernel fence implementation doesn't use event queues, but needs
to perform the same wake up. The symbol is not exported, since the
fence implementation is not built as a module.
Signed-off-by: Maarten Lankhorst <maarten.lankho...@canonical.com>
---
include/linux/wait.h | 1 +
kernel/sched/core.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/wait.h b/include/linux/wait.h
index eaa00b10abaa..c54e3ef50134 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -12,6 +12,7 @@
typedef struct __wait_queue wait_queue_t;
typedef int (*wait_queue_func_t)(wait_queue_t *wait, unsigned mode, int flags,
void *key);
int default_wake_function(wait_queue_t *wait, unsigned mode, int flags, void
*key);
+int try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags);
struct __wait_queue {
unsigned int flags;
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a88f4a485c5e..f41d317042dd 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1578,7 +1578,7 @@ static void ttwu_queue(struct task_struct *p, int cpu)
* Return: %true if @p was woken up, %false if it was already running.
* or @state didn't match @p's state.
*/
-static int
+int
try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
{
unsigned long flags;
--
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