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-rw-r--r--include/linux/task_work.h11
-rw-r--r--include/linux/tracehook.h4
2 files changed, 10 insertions, 5 deletions
diff --git a/include/linux/task_work.h b/include/linux/task_work.h
index 0fb93aafa478..0d848a1e9e62 100644
--- a/include/linux/task_work.h
+++ b/include/linux/task_work.h
@@ -13,9 +13,14 @@ init_task_work(struct callback_head *twork, task_work_func_t func)
twork->func = func;
}
-#define TWA_RESUME 1
-#define TWA_SIGNAL 2
-int task_work_add(struct task_struct *task, struct callback_head *twork, int);
+enum task_work_notify_mode {
+ TWA_NONE,
+ TWA_RESUME,
+ TWA_SIGNAL,
+};
+
+int task_work_add(struct task_struct *task, struct callback_head *twork,
+ enum task_work_notify_mode mode);
struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t);
void task_work_run(void);
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index 36fb3bbed6b2..b480e1a07ed8 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -178,9 +178,9 @@ static inline void set_notify_resume(struct task_struct *task)
*/
static inline void tracehook_notify_resume(struct pt_regs *regs)
{
+ clear_thread_flag(TIF_NOTIFY_RESUME);
/*
- * The caller just cleared TIF_NOTIFY_RESUME. This barrier
- * pairs with task_work_add()->set_notify_resume() after
+ * This barrier pairs with task_work_add()->set_notify_resume() after
* hlist_add_head(task->task_works);
*/
smp_mb__after_atomic();