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-rw-r--r--arch/s390/lib/spinlock.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index 2dc14e9c8327..68d79c502081 100644
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -29,7 +29,7 @@ __setup("spin_retry=", spin_retry_setup);
static inline void
_diag44(void)
{
-#ifdef __s390x__
+#ifdef CONFIG_64BIT
if (MACHINE_HAS_DIAG44)
#endif
asm volatile("diag 0,0,0x44");
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