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author | Alex Shi <alex.shi@linaro.org> | 2018-02-01 12:02:38 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2018-02-01 12:02:38 +0800 |
commit | 59e35359ec360b74e9013ccab84c19ce53db38f9 (patch) | |
tree | f6c5cca3189d2140f23e7a71ee3f167c7e6f748e /include/linux/ktime.h | |
parent | c210bc406de6a7993b8d7f30c28436be80de7694 (diff) | |
parent | a40f2a595adfe0be6ced06fdb4c4a24ae3291a91 (diff) |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-18.02-android
Diffstat (limited to 'include/linux/ktime.h')
-rw-r--r-- | include/linux/ktime.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/ktime.h b/include/linux/ktime.h index 2b6a204bd8d4..3ffc69ebe967 100644 --- a/include/linux/ktime.h +++ b/include/linux/ktime.h @@ -64,6 +64,13 @@ static inline ktime_t ktime_set(const s64 secs, const unsigned long nsecs) ({ (ktime_t){ .tv64 = (lhs).tv64 + (rhs).tv64 }; }) /* + * Same as ktime_add(), but avoids undefined behaviour on overflow; however, + * this means that you must check the result for overflow yourself. + */ +#define ktime_add_unsafe(lhs, rhs) \ + ({ (ktime_t){ .tv64 = (u64) (lhs).tv64 + (rhs).tv64 }; }) + +/* * Add a ktime_t variable and a scalar nanosecond value. * res = kt + nsval: */ |