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-rw-r--r--include/asm-s390/setup.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index f1959732b6f..5d72eda8a11 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -39,6 +39,7 @@ extern unsigned long machine_flags;
#define MACHINE_IS_P390 (machine_flags & 4)
#define MACHINE_HAS_MVPG (machine_flags & 16)
#define MACHINE_HAS_IDTE (machine_flags & 128)
+#define MACHINE_HAS_DIAG9C (machine_flags & 256)
#ifndef __s390x__
#define MACHINE_HAS_IEEE (machine_flags & 2)