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author | Alex Shi <alex.shi@linaro.org> | 2018-02-01 12:02:34 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2018-02-01 12:02:34 +0800 |
commit | a40f2a595adfe0be6ced06fdb4c4a24ae3291a91 (patch) | |
tree | 4e99ec8bd3ce134bdbafd54a0fc873f11c33e21b /include/linux/ktime.h | |
parent | 293c379504006b5ea8b4e7109ba4ebc3211f9b91 (diff) | |
parent | 49fe90b853dfb1087d0a734cd7f4af1aa00c8e53 (diff) |
Merge tag 'v4.4.114' into linux-linaro-lsk-v4.4lsk-v4.4-18.02
This is the 4.4.114 stable release
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: */ |