Re: [net-next,1/3] netem: convert to qdisc_watchdog_schedule_ns

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On Tue, Nov 07, 2017 at 12:59:34PM -0800, Dave Taht wrote:
> diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
> index db0228a..443a75d 100644
> --- a/net/sched/sch_netem.c
> +++ b/net/sched/sch_netem.c

...

> @@ -305,11 +305,11 @@ static bool loss_event(struct netem_sched_data *q)
>   * std deviation sigma.  Uses table lookup to approximate the desired
>   * distribution, and a uniformly-distributed pseudo-random source.
>   */
> -static psched_tdiff_t tabledist(psched_tdiff_t mu, psched_tdiff_t sigma,
> -				struct crndstate *state,
> -				const struct disttable *dist)
> +static s64 tabledist(s64 mu, s64 sigma,

sigma is used in a modulo operation in this function, which results in
this error on a bunch of MIPS configs once it is made 64-bits wide:

net/sched/sch_netem.o In function `tabledist':
net/sched/sch_netem.c:330: undefined reference to `__moddi3'

Should that code not be using <linux/math64.h>, i.e. div_s64_rem() now
that it is 64bit?

Thanks
James

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