1 files changed, 32 insertions, 37 deletions

diff --git a/arch/ia64/include/asm/cputime.h b/arch/ia64/include/asm/cputime.h
index 6073b187528a..461e52f0277f 100644
--- a/arch/ia64/include/asm/cputime.h
+++ b/arch/ia64/include/asm/cputime.h
@@ -26,59 +26,51 @@
 #include <linux/jiffies.h>
 #include <asm/processor.h>
 
-typedef u64 cputime_t;
-typedef u64 cputime64_t;
+typedef u64 __nocast cputime_t;
+typedef u64 __nocast cputime64_t;
 
-#define cputime_zero                    ((cputime_t)0)
 #define cputime_one_jiffy               jiffies_to_cputime(1)
-#define cputime_max                     ((~((cputime_t)0) >> 1) - 1)
-#define cputime_add(__a, __b)           ((__a) +  (__b))
-#define cputime_sub(__a, __b)           ((__a) -  (__b))
-#define cputime_div(__a, __n)           ((__a) /  (__n))
-#define cputime_halve(__a)              ((__a) >> 1)
-#define cputime_eq(__a, __b)            ((__a) == (__b))
-#define cputime_gt(__a, __b)            ((__a) >  (__b))
-#define cputime_ge(__a, __b)            ((__a) >= (__b))
-#define cputime_lt(__a, __b)            ((__a) <  (__b))
-#define cputime_le(__a, __b)            ((__a) <= (__b))
-
-#define cputime64_zero                  ((cputime64_t)0)
-#define cputime64_add(__a, __b)         ((__a) + (__b))
-#define cputime64_sub(__a, __b)         ((__a) - (__b))
-#define cputime_to_cputime64(__ct)      (__ct)
 
 /*
  * Convert cputime <-> jiffies (HZ)
  */
-#define cputime_to_jiffies(__ct)        ((__ct) / (NSEC_PER_SEC / HZ))
-#define jiffies_to_cputime(__jif)       ((__jif) * (NSEC_PER_SEC / HZ))
-#define cputime64_to_jiffies64(__ct)    ((__ct) / (NSEC_PER_SEC / HZ))
-#define jiffies64_to_cputime64(__jif)   ((__jif) * (NSEC_PER_SEC / HZ))
+#define cputime_to_jiffies(__ct)        \
+        ((__force u64)(__ct) / (NSEC_PER_SEC / HZ))
+#define jiffies_to_cputime(__jif)       \
+        (__force cputime_t)((__jif) * (NSEC_PER_SEC / HZ))
+#define cputime64_to_jiffies64(__ct)    \
+        ((__force u64)(__ct) / (NSEC_PER_SEC / HZ))
+#define jiffies64_to_cputime64(__jif)   \
+        (__force cputime64_t)((__jif) * (NSEC_PER_SEC / HZ))
 
 /*
  * Convert cputime <-> microseconds
  */
-#define cputime_to_usecs(__ct)          ((__ct) / NSEC_PER_USEC)
-#define usecs_to_cputime(__usecs)       ((__usecs) * NSEC_PER_USEC)
+#define cputime_to_usecs(__ct)          \
+        ((__force u64)(__ct) / NSEC_PER_USEC)
+#define usecs_to_cputime(__usecs)       \
+        (__force cputime_t)((__usecs) * NSEC_PER_USEC)
 
 /*
  * Convert cputime <-> seconds
  */
-#define cputime_to_secs(__ct)           ((__ct) / NSEC_PER_SEC)
-#define secs_to_cputime(__secs)         ((__secs) * NSEC_PER_SEC)
+#define cputime_to_secs(__ct)           \
+        ((__force u64)(__ct) / NSEC_PER_SEC)
+#define secs_to_cputime(__secs)         \
+        (__force cputime_t)((__secs) * NSEC_PER_SEC)
 
 /*
  * Convert cputime <-> timespec (nsec)
  */
 static inline cputime_t timespec_to_cputime(const struct timespec *val)
 {
-        cputime_t ret = val->tv_sec * NSEC_PER_SEC;
-        return (ret + val->tv_nsec);
+        u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_nsec;
+        return (__force cputime_t) ret;
 }
 static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
 {
-        val->tv_sec  = ct / NSEC_PER_SEC;
-        val->tv_nsec = ct % NSEC_PER_SEC;
+        val->tv_sec  = (__force u64) ct / NSEC_PER_SEC;
+        val->tv_nsec = (__force u64) ct % NSEC_PER_SEC;
 }
 
 /*
@@ -86,25 +78,28 @@ static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
  */
 static inline cputime_t timeval_to_cputime(struct timeval *val)
 {
-        cputime_t ret = val->tv_sec * NSEC_PER_SEC;
-        return (ret + val->tv_usec * NSEC_PER_USEC);
+        u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_usec * NSEC_PER_USEC;
+        return (__force cputime_t) ret;
 }
 static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val)
 {
-        val->tv_sec = ct / NSEC_PER_SEC;
-        val->tv_usec = (ct % NSEC_PER_SEC) / NSEC_PER_USEC;
+        val->tv_sec = (__force u64) ct / NSEC_PER_SEC;
+        val->tv_usec = ((__force u64) ct % NSEC_PER_SEC) / NSEC_PER_USEC;
 }
 
 /*
  * Convert cputime <-> clock (USER_HZ)
  */
-#define cputime_to_clock_t(__ct)        ((__ct) / (NSEC_PER_SEC / USER_HZ))
-#define clock_t_to_cputime(__x)         ((__x) * (NSEC_PER_SEC / USER_HZ))
+#define cputime_to_clock_t(__ct)        \
+        ((__force u64)(__ct) / (NSEC_PER_SEC / USER_HZ))
+#define clock_t_to_cputime(__x)         \
+        (__force cputime_t)((__x) * (NSEC_PER_SEC / USER_HZ))
 
 /*
  * Convert cputime64 to clock.
  */
-#define cputime64_to_clock_t(__ct)      cputime_to_clock_t((cputime_t)__ct)
+#define cputime64_to_clock_t(__ct)      \
+        cputime_to_clock_t((__force cputime_t)__ct)
 
 #endif /* CONFIG_VIRT_CPU_ACCOUNTING */
 #endif /* __IA64_CPUTIME_H */