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-rw-r--r--lib/igt_core.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/igt_core.h b/lib/igt_core.h
index 66523a20..57e97f2b 100644
--- a/lib/igt_core.h
+++ b/lib/igt_core.h
@@ -950,4 +950,6 @@ void igt_kmsg(const char *format, ...);
#define KMSG_INFO "<6>[IGT] "
#define KMSG_DEBUG "<7>[IGT] "
+#define READ_ONCE(x) (*(volatile typeof(x) *)(&(x)))
+
#endif /* IGT_CORE_H */