[Make-wifi-fast] [PATCH RFC v4 3/4] mac80211: Add airtime accounting and scheduling to TXQs
Rajkumar Manoharan
rmanohar at codeaurora.org
Fri Sep 28 06:47:51 EDT 2018
On 2018-09-28 03:35, Jonathan Morton wrote:
>> On 28 Sep, 2018, at 1:19 pm, Rajkumar Manoharan
>> <rmanohar at codeaurora.org> wrote:
>>
>>> This is going to break fairness; we only want to increase deficits
>>> when
>>> all stations' deficits are negative. Hence the two loops. Did you see
>>> any problems with those specifically?
>>
>> No. I didn't see any issue but the loop won't exit until one txq
>> becomes positive.
>> Till then the lock won't be released. Hence I converged into single
>> iteration.
>
> The problem is that the fairness behaviour is changed when there are
> already positive txqs, but the first one happens to not be positive.
> That's why there were two loops.
>
Yeah.. Understood. we can ignore the cleanup change.
-Rajkumar
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