--- zzzz-none-000/linux-4.4.60/include/uapi/linux/eventpoll.h	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/include/uapi/linux/eventpoll.h	2021-02-04 17:41:59.000000000 +0000
@@ -26,6 +26,23 @@
 #define EPOLL_CTL_DEL 2
 #define EPOLL_CTL_MOD 3
 
+/* Epoll event masks */
+#define EPOLLIN		(__force __poll_t)0x00000001
+#define EPOLLPRI	(__force __poll_t)0x00000002
+#define EPOLLOUT	(__force __poll_t)0x00000004
+#define EPOLLERR	(__force __poll_t)0x00000008
+#define EPOLLHUP	(__force __poll_t)0x00000010
+#define EPOLLNVAL	(__force __poll_t)0x00000020
+#define EPOLLRDNORM	(__force __poll_t)0x00000040
+#define EPOLLRDBAND	(__force __poll_t)0x00000080
+#define EPOLLWRNORM	(__force __poll_t)0x00000100
+#define EPOLLWRBAND	(__force __poll_t)0x00000200
+#define EPOLLMSG	(__force __poll_t)0x00000400
+#define EPOLLRDHUP	(__force __poll_t)0x00002000
+
+/* Set exclusive wakeup mode for the target file descriptor */
+#define EPOLLEXCLUSIVE (__force __poll_t)(1U << 28)
+
 /*
  * Request the handling of system wakeup events so as to prevent system suspends
  * from happening while those events are being processed.
@@ -36,13 +53,13 @@
  *
  * Requires CAP_BLOCK_SUSPEND
  */
-#define EPOLLWAKEUP (1 << 29)
+#define EPOLLWAKEUP (__force __poll_t)(1U << 29)
 
 /* Set the One Shot behaviour for the target file descriptor */
-#define EPOLLONESHOT (1 << 30)
+#define EPOLLONESHOT (__force __poll_t)(1U << 30)
 
 /* Set the Edge Triggered behaviour for the target file descriptor */
-#define EPOLLET (1 << 31)
+#define EPOLLET (__force __poll_t)(1U << 31)
 
 /* 
  * On x86-64 make the 64bit structure have the same alignment as the
@@ -57,7 +74,7 @@
 #endif
 
 struct epoll_event {
-	__u32 events;
+	__poll_t events;
 	__u64 data;
 } EPOLL_PACKED;