2 files changed, 9 insertions, 4 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 *);
 
 #define nop() __asm__ __volatile__ ("nop")
 
-#define xchg(ptr,x) \
-  ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(void *)(ptr),sizeof(*(ptr))))
+#define xchg(ptr,x)                                                       \
+({                                                                        \
+        __typeof__(*(ptr)) __ret;                                         \
+        __ret = (__typeof__(*(ptr)))                                      \
+                __xchg((unsigned long)(x), (void *)(ptr),sizeof(*(ptr))); \
+        __ret;                                                            \
+})
 
 static inline unsigned long __xchg(unsigned long x, void * ptr, int size)
 {
diff --git a/include/asm-s390/timex.h b/include/asm-s390/timex.h
index 4848057dafe4..5d0332a4c2bd 100644
--- a/include/asm-s390/timex.h
+++ b/include/asm-s390/timex.h
@@ -19,7 +19,7 @@ static inline cycles_t get_cycles(void)
 {
         cycles_t cycles;
 
-        __asm__("stck 0(%1)" : "=m" (cycles) : "a" (&cycles) : "cc");
+        __asm__ __volatile__ ("stck 0(%1)" : "=m" (cycles) : "a" (&cycles) : "cc");
         return cycles >> 2;
 }
 
@@ -27,7 +27,7 @@ static inline unsigned long long get_clock (void)
 {
         unsigned long long clk;
 
-        __asm__("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc");
+        __asm__ __volatile__ ("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc");
         return clk;
 }