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Re: [PATCH 1/7] mac80211: switch airtime fairness back to deficit round-robin scheduling

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Felix Fietkau <nbd@xxxxxxxx> writes:

> This reverts commits 6a789ba679d652587532cec2a0e0274fda172f3b and
> 2433647bc8d983a543e7d31b41ca2de1c7e2c198.
>
> The virtual time scheduler code has a number of issues:
> - queues slowed down by hardware/firmware powersave handling were not properly
>   handled.
> - on ath10k in push-pull mode, tx queues that the driver tries to pull from
>   were starved, causing excessive latency
> - delay between tx enqueue and reported airtime use were causing excessively
>   bursty tx behavior
>
> The bursty behavior may also be present on the round-robin scheduler, but there
> it is much easier to fix without introducing additional regressions
>
> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>

Acked-by: Toke Høiland-Jørgensen <toke@xxxxxxx>




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