From: Felix Fietkau <nbd@openwrt.org>
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
Date: Tue, 22 Apr 2014 11:09:11 +0200 [thread overview]
Message-ID: <535631B7.7050208@openwrt.org> (raw)
In-Reply-To: <1398122097-23544-2-git-send-email-tharvey@gateworks.com>
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>
next prev parent reply other threads:[~2014-04-22 9:09 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-21 23:14 [PATCH 1/2] ath9k: fix possible hang on flush Tim Harvey
2014-04-21 23:14 ` [PATCH 2/2] ath9k: add a recv budget Tim Harvey
2014-04-22 9:09 ` Felix Fietkau [this message]
2014-04-29 12:04 ` Tim Harvey
2014-04-29 12:25 ` Felix Fietkau
2014-04-29 19:23 ` Adrian Chadd
2014-04-29 12:02 ` [PATCH 1/2] ath9k: fix possible hang on flush Tim Harvey
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