[PATCH] ath10k: disable wake_tx_queue for older devices

Roman Yeryomin leroi.lists at gmail.com
Sun Jul 31 16:35:36 PDT 2016


On 7 July 2016 at 19:30, Valo, Kalle <kvalo at qca.qualcomm.com> wrote:
> Michal Kazior <michal.kazior at tieto.com> writes:
>
>> Ideally wake_tx_queue should be used regardless as
>> it is a requirement for reducing bufferbloat and
>> implementing airtime fairness in the future.
>>
>> However some setups (typically low-end platforms
>> hosting QCA988X) suffer performance regressions
>> with the current wake_tx_queue implementation.
>> Therefore disable it unless it is really
>> beneficial with current codebase (which is when
>> firmware supports smart pull-push tx scheduling).
>>
>> Signed-off-by: Michal Kazior <michal.kazior at tieto.com>
>
> I think it's too late to send this to 4.7 anymore (and this due to my
> vacation). So I'm planning to queue this to 4.8, but if the feedback is
> positive we can always send this to a 4.7 stable release.
>

Sorry guys, drowned.
So, yes, applying this patch does the job. That is gets me to the
results similar to
https://lists.openwrt.org/pipermail/openwrt-devel/2016-May/041448.html

Going to try latest code on same system...

Regards,
Roman



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