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| author | Dave Airlie <airlied@redhat.com> | 2015-06-04 09:23:51 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-06-04 09:23:51 +1000 |
| commit | a8a50fce60e86f82e442bf84b8af20750b3d6105 (patch) | |
| tree | 974c04f9f4f10275a8a9435113ea5b307d172bb6 /kernel/time/hrtimer.c | |
| parent | 9b5edbf7a462b7c846e9d4675b9b72b7a4e84de9 (diff) | |
| parent | c65b99f046843d2455aa231747b5a07a999a9f3d (diff) | |
Merge tag 'v4.1-rc6' into drm-next
Linux 4.1-rc6
backmerge 4.1-rc6 as some of the later pull reqs are based on newer bases
and I'd prefer to do the fixup myself.
Diffstat (limited to 'kernel/time/hrtimer.c')
| -rw-r--r-- | kernel/time/hrtimer.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 76d4bd962b19..93ef7190bdea 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -266,21 +266,23 @@ lock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags) /* * Divide a ktime value by a nanosecond value */ -u64 __ktime_divns(const ktime_t kt, s64 div) +s64 __ktime_divns(const ktime_t kt, s64 div) { - u64 dclc; int sft = 0; + s64 dclc; + u64 tmp; dclc = ktime_to_ns(kt); + tmp = dclc < 0 ? -dclc : dclc; + /* Make sure the divisor is less than 2^32: */ while (div >> 32) { sft++; div >>= 1; } - dclc >>= sft; - do_div(dclc, (unsigned long) div); - - return dclc; + tmp >>= sft; + do_div(tmp, (unsigned long) div); + return dclc < 0 ? -tmp : tmp; } EXPORT_SYMBOL_GPL(__ktime_divns); #endif /* BITS_PER_LONG >= 64 */ |