diff options
Diffstat (limited to 'kernel/time.c')
| -rw-r--r-- | kernel/time.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/kernel/time.c b/kernel/time.c index 343e2515375a..cbe0d5a222ff 100644 --- a/kernel/time.c +++ b/kernel/time.c | |||
| @@ -392,13 +392,17 @@ EXPORT_SYMBOL(set_normalized_timespec); | |||
| 392 | struct timespec ns_to_timespec(const s64 nsec) | 392 | struct timespec ns_to_timespec(const s64 nsec) |
| 393 | { | 393 | { |
| 394 | struct timespec ts; | 394 | struct timespec ts; |
| 395 | s32 rem; | ||
| 395 | 396 | ||
| 396 | if (!nsec) | 397 | if (!nsec) |
| 397 | return (struct timespec) {0, 0}; | 398 | return (struct timespec) {0, 0}; |
| 398 | 399 | ||
| 399 | ts.tv_sec = div_long_long_rem_signed(nsec, NSEC_PER_SEC, &ts.tv_nsec); | 400 | ts.tv_sec = div_s64_rem(nsec, NSEC_PER_SEC, &rem); |
| 400 | if (unlikely(nsec < 0)) | 401 | if (unlikely(rem < 0)) { |
| 401 | set_normalized_timespec(&ts, ts.tv_sec, ts.tv_nsec); | 402 | ts.tv_sec--; |
| 403 | rem += NSEC_PER_SEC; | ||
| 404 | } | ||
| 405 | ts.tv_nsec = rem; | ||
| 402 | 406 | ||
| 403 | return ts; | 407 | return ts; |
| 404 | } | 408 | } |
| @@ -528,8 +532,10 @@ jiffies_to_timespec(const unsigned long jiffies, struct timespec *value) | |||
| 528 | * Convert jiffies to nanoseconds and separate with | 532 | * Convert jiffies to nanoseconds and separate with |
| 529 | * one divide. | 533 | * one divide. |
| 530 | */ | 534 | */ |
| 531 | u64 nsec = (u64)jiffies * TICK_NSEC; | 535 | u32 rem; |
| 532 | value->tv_sec = div_long_long_rem(nsec, NSEC_PER_SEC, &value->tv_nsec); | 536 | value->tv_sec = div_u64_rem((u64)jiffies * TICK_NSEC, |
| 537 | NSEC_PER_SEC, &rem); | ||
| 538 | value->tv_nsec = rem; | ||
| 533 | } | 539 | } |
| 534 | EXPORT_SYMBOL(jiffies_to_timespec); | 540 | EXPORT_SYMBOL(jiffies_to_timespec); |
| 535 | 541 | ||
| @@ -567,12 +573,11 @@ void jiffies_to_timeval(const unsigned long jiffies, struct timeval *value) | |||
| 567 | * Convert jiffies to nanoseconds and separate with | 573 | * Convert jiffies to nanoseconds and separate with |
| 568 | * one divide. | 574 | * one divide. |
| 569 | */ | 575 | */ |
| 570 | u64 nsec = (u64)jiffies * TICK_NSEC; | 576 | u32 rem; |
| 571 | long tv_usec; | ||
| 572 | 577 | ||
| 573 | value->tv_sec = div_long_long_rem(nsec, NSEC_PER_SEC, &tv_usec); | 578 | value->tv_sec = div_u64_rem((u64)jiffies * TICK_NSEC, |
| 574 | tv_usec /= NSEC_PER_USEC; | 579 | NSEC_PER_SEC, &rem); |
| 575 | value->tv_usec = tv_usec; | 580 | value->tv_usec = rem / NSEC_PER_USEC; |
| 576 | } | 581 | } |
| 577 | EXPORT_SYMBOL(jiffies_to_timeval); | 582 | EXPORT_SYMBOL(jiffies_to_timeval); |
| 578 | 583 | ||
