From cb900b45e80ea751ebdf2f151d87f30d84febb1a Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Mon, 17 Jan 2022 13:01:57 -0500
Subject: [PATCH] Fix: membarrier flags for kernels headers < 5.10

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I0c31e77a97d62140f162e058a975d47c849c5782
---
 tests/param_test.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/param_test.c b/tests/param_test.c
index 68a34dc..e71e92c 100644
--- a/tests/param_test.c
+++ b/tests/param_test.c
@@ -3,6 +3,7 @@
 #define _GNU_SOURCE
 #endif
 #include <assert.h>
+#include <linux/version.h>
 #include <linux/membarrier.h>
 #include <pthread.h>
 #include <sched.h>
@@ -18,6 +19,17 @@
 #include <errno.h>
 #include <stddef.h>
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,10,0)
+enum {
+	MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ			= (1 << 7),
+	MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ		= (1 << 8),
+};
+
+enum {
+	MEMBARRIER_CMD_FLAG_CPU		= (1 << 0),
+};
+#endif
+
 #define NR_INJECT	9
 static int loop_cnt[NR_INJECT + 1];
 
-- 
2.34.1