diff options
Diffstat (limited to 'include/asm-s390')
| -rw-r--r-- | include/asm-s390/system.h | 10 | ||||
| -rw-r--r-- | include/asm-s390/timex.h | 4 |
2 files changed, 9 insertions, 5 deletions
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h index 9ab186ffde2..16040048cd1 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) { @@ -299,7 +304,6 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) #define set_mb(var, value) do { var = value; mb(); } while (0) -#define set_wmb(var, value) do { var = value; wmb(); } while (0) #ifdef __s390x__ diff --git a/include/asm-s390/timex.h b/include/asm-s390/timex.h index 4848057dafe..5d0332a4c2b 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; } |