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-rw-r--r--include/asm-s390/system.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index 36a3a85d611a..16040048cd1b 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -128,8 +128,13 @@ extern void account_system_vtime(struct task_struct *);
128 128
129#define nop() __asm__ __volatile__ ("nop") 129#define nop() __asm__ __volatile__ ("nop")
130 130
131#define xchg(ptr,x) \ 131#define xchg(ptr,x) \
132 ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(void *)(ptr),sizeof(*(ptr)))) 132({ \
133 __typeof__(*(ptr)) __ret; \
134 __ret = (__typeof__(*(ptr))) \
135 __xchg((unsigned long)(x), (void *)(ptr),sizeof(*(ptr))); \
136 __ret; \
137})
133 138
134static inline unsigned long __xchg(unsigned long x, void * ptr, int size) 139static inline unsigned long __xchg(unsigned long x, void * ptr, int size)
135{ 140{