Alexander Wetzel <alexander@xxxxxxxxxxxxxx> wrote:
> Serialize the ath10k implementation of the wake_tx_queue ops.
> ath10k_mac_op_wake_tx_queue() must not run concurrent since it's using
> ieee80211_txq_schedule_start().
>
> The intend of this patch is to sort out an issue discovered in the discussion
> referred to by the Link tag.
>
> I can't test it with real hardware and thus just implemented the per-ac queue
> lock Felix suggested. One obvious alternative to the per-ac lock would be to
> bring back the txqs_lock commit bb2edb733586 ("ath10k: migrate to mac80211 txq
> scheduling") dropped.
>
> Fixes: bb2edb733586 ("ath10k: migrate to mac80211 txq scheduling")
> Reported-by: Felix Fietkau <nbd@xxxxxxxx>
> Link: https://lore.kernel.org/r/519b5bb9-8899-ae7c-4eff-f3116cdfdb56@xxxxxxxx
> CC: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Alexander Wetzel <alexander@xxxxxxxxxxxxxx>
> Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx>
Patch applied to ath-next branch of ath.git, thanks.
b719ebc37a1e wifi: ath10k: Serialize wake_tx_queue ops
--
https://patchwork.kernel.org/project/linux-wireless/patch/20230323165527.156414-1-alexander@xxxxxxxxxxxxxx/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
