>Yes I agree, it doesn't really matter what value we return and `bound'
>is most likely to be correct. I think we should also fix the unlikely
>but still possible case when tv1.tv_usec is slightly smaller than
>tv2.tv_usec. I know it is very unlikely but do_gettimeofday really
>is not that reliable and we have users which rely on a positive
>delta. Can you extend your patch to return abs(delta) for case 0
>in PSCHED_TDIFF_SAFE?
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You're right. Here is the new patch.

[SCHED] Fix range in PSCHED_TDIFF_SAFE to 0..bound

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>