From: Johannes Berg <johannes@sipsolutions.net>
To: Tejun Heo <tj@kernel.org>
Cc: Ben Greear <greearb@candelatech.com>, <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH] mac80211: Fix deadlock in ieee80211_do_stop.
Date: Thu, 18 Nov 2010 08:07:58 +0100 [thread overview]
Message-ID: <51f5dd53c39a77fff4efc1a99b189725@localhost> (raw)
In-Reply-To: <4CE4C8DD.6010806@kernel.org>
On Thu, 18 Nov 2010 07:34:05 +0100, Tejun Heo <tj@kernel.org> wrote:
>> No, I don't think it's safe for mac80211.
>
> I see. In the longer run tho, it would be much better to convert to
> NRT workqueue. The behavior would be more robust with much lower
> latencies.
I really don't think it's possible without going to some scheme
where we use a single work struct and kick off things out of it,
or implement our own threading or similar things ...
But why is this unreliable and/or high latency anyway? It used
to be just fine .. maybe this is one of the cases where we should
actually be using a dedicated thread ...
johannes
next prev parent reply other threads:[~2010-11-18 7:08 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-12 20:07 [PATCH] mac80211: Fix deadlock in ieee80211_do_stop greearb
2010-11-12 20:08 ` Luis R. Rodriguez
2010-11-12 20:16 ` Ben Greear
2010-11-12 20:49 ` Johannes Berg
2010-11-12 20:57 ` Ben Greear
2010-11-12 21:08 ` Johannes Berg
2010-11-12 21:51 ` Ben Greear
2010-11-13 10:34 ` Tejun Heo
2010-11-15 21:16 ` Ben Greear
2010-11-16 14:19 ` Tejun Heo
2010-11-16 16:51 ` Ben Greear
2010-11-17 8:55 ` Tejun Heo
2010-11-17 17:37 ` Ben Greear
2010-11-16 17:40 ` Johannes Berg
2010-11-17 8:47 ` Tejun Heo
2010-11-17 18:53 ` Johannes Berg
2010-11-17 18:59 ` Ben Greear
2010-11-17 19:03 ` Johannes Berg
2010-11-18 6:34 ` Tejun Heo
2010-11-18 7:07 ` Johannes Berg [this message]
2010-11-18 7:22 ` Tejun Heo
2010-11-18 16:59 ` Johannes Berg
2010-11-19 14:34 ` Tejun Heo
2010-11-19 17:57 ` Johannes Berg
2010-11-19 20:55 ` Ben Greear
2010-11-19 22:27 ` Luis R. Rodriguez
2010-12-08 17:36 ` Ben Greear
2010-12-08 18:19 ` Ben Greear
2010-12-08 18:28 ` Ben Greear
2010-12-09 14:34 ` Tejun Heo
2010-12-09 14:42 ` Johannes Berg
2010-12-09 14:46 ` Tejun Heo
2010-12-09 16:17 ` Tejun Heo
[not found] ` <4D0156F6.4000306@candelate ch.com>
2010-12-09 17:27 ` Ben Greear
2010-12-09 22:23 ` Ben Greear
2010-12-10 15:11 ` Tejun Heo
2010-12-10 16:35 ` Ben Greear
2010-11-18 17:55 ` Ben Greear
2010-11-18 18:04 ` Tejun Heo
2010-11-18 18:11 ` Ben Greear
2010-11-17 20:13 ` Ben Greear
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