Message-ID: <535631B7.7050208@openwrt.org> (sfid-20140422_110926_839481_2A1EAC93)
Date: Tue, 22 Apr 2014 11:09:11 +0200
From: Felix Fietkau <nbd@openwrt.org>
MIME-Version: 1.0
To: Tim Harvey <tharvey@gateworks.com>, linux-wireless@vger.kernel.org
CC: linville@tuxdriver.com
Subject: Re: [PATCH 2/2] ath9k: add a recv budget
References: <1398122097-23544-1-git-send-email-tharvey@gateworks.com> <1398122097-23544-2-git-send-email-tharvey@gateworks.com>
In-Reply-To: <1398122097-23544-2-git-send-email-tharvey@gateworks.com>
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Sender: linux-wireless-owner@vger.kernel.org

On 2014-04-22 01:14, Tim Harvey wrote:
> Implement a recv budget so that in cases of high traffic we still allow other
> taskets to get processed.
> 
> Without this, we can encounter a host of issues during high wireless traffic
> reception depending on system load including rcu stall's detected (ARM),
> soft lockups, failure to service critical tasks such as watchdog resets,
> and triggering of the tx stuck tasklet.
> 
> The same thing was proposed previously by Ben:
>  http://www.spinics.net/lists/linux-wireless/msg112891.html
> 
> The only difference here is that I make sure only processed packets are counted
> in the budget by checking at the end of the rx loop.
> 
> Signed-off-by: Tim Harvey <tharvey@gateworks.com>
For both patches:
Acked-by: Felix Fietkau <nbd@openwrt.org>