[PATCH v2] ath10k: Improve performance by reducing tx_lock contention.

Kalle Valo kvalo at qca.qualcomm.com
Wed Jul 29 01:27:44 PDT 2015

Marty Faltesek <mfaltesek at google.com> writes:

> From: Qi Zhou <qizhou at google.com>
> During tx completion, tx_lock is held for longer than required, preventing
> efficient refill of htt->pending_tx. Refactor the code so that only MSDU
> related operations are protected by the lock.
> Improves downstream performance on a dual-core ARM Freescale LS1024A
> (f.k.a. Mindspeed Comcerto 2000) AP with a 3x3 client from 495 to 580 Mbps.
> Other CPU bound multicore systems may also benefit.
> Signed-off-by: Denton Gentry <dgentry at google.com>
> Signed-off-by: Avery Pennarun <apenwarr at google.com>
> [mfaltesek at google.com: removed conflicting code for tracking msdu_ids.]
> Signed-off-by: Marty Faltesek <mfaltesek at google.com>

Thanks, applied.

Kalle Valo

More information about the ath10k mailing list