From: Alexander Aring <alex.aring@gmail.com>
To: linux-wpan@vger.kernel.org
Cc: kernel@pengutronix.de, Michael Hennerich <michael.hennerich@analog.com>
Subject: Re: [PATCH bluetooth] mac802154: tx: fix synced xmit deadlock
Date: Wed, 9 Dec 2015 23:18:08 +0100 [thread overview]
Message-ID: <20151209221807.GA16100@omega> (raw)
In-Reply-To: <1449699331-17563-1-git-send-email-alex.aring@gmail.com>
Hi Marcel,
On Wed, Dec 09, 2015 at 11:15:31PM +0100, Alexander Aring wrote:
> This patch reverts 6001d52 ("mac802154: tx: don't allow if down while
> sync tx"). This has side effects with stop callback which flush the
> transmit workqueue. The stop callback will wait until the workqueue is
> flushed and holding the rtnl lock. That means it can happen that the stop
> callback waits forever because it try to lock the rtnl mutex which is
> already hold by stop callback.
>
wrong patch here, I will send a v2 which also remove the ASSERT_RTNL
while synced xmit driver callback.
- Alex
prev parent reply other threads:[~2015-12-09 22:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-09 22:15 [PATCH bluetooth] mac802154: tx: fix synced xmit deadlock Alexander Aring
2015-12-09 22:18 ` Alexander Aring [this message]
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