Return-path: Received: from wolverine02.qualcomm.com ([199.106.114.251]:29472 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750717Ab3IXGWj (ORCPT ); Tue, 24 Sep 2013 02:22:39 -0400 From: Kalle Valo To: Michal Kazior CC: , Subject: Re: [RFC] ath10k: replenish HTT RX buffers in a tasklet References: <1379509691-19904-1-git-send-email-michal.kazior@tieto.com> Date: Tue, 24 Sep 2013 09:22:29 +0300 In-Reply-To: <1379509691-19904-1-git-send-email-michal.kazior@tieto.com> (Michal Kazior's message of "Wed, 18 Sep 2013 15:08:10 +0200") Message-ID: <87r4cebuxm.fsf@kamboji.qca.qualcomm.com> (sfid-20130924_082243_067421_C57BFA71) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-wireless-owner@vger.kernel.org List-ID: Michal Kazior writes: > This fixes system starvation when under heavy RX > traffic. This problem could be observed on AP135 > and led to watchdog resetting the platform. > > Patch starves FW RX ring buffer by progressively > replenishing buffers to auto-balance the RX > handled to the host system. > > Signed-off-by: Michal Kazior Looks good to me. I suspect there is a better way to do this in long term, but this looks like a viable short term solution. Does it decrease throughput in a noticeable way? -- Kalle Valo