From: Ben Greear <greearb@candelatech.com>
To: "Manoharan, Rajkumar" <rmanohar@qti.qualcomm.com>,
"ath10k@lists.infradead.org" <ath10k@lists.infradead.org>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH v2 5/5] ath10k: Fix deadlock when peer cannot be created.
Date: Mon, 9 May 2016 10:58:31 -0700 [thread overview]
Message-ID: <5730CFC7.5010901@candelatech.com> (raw)
In-Reply-To: <1462816487256.22920@qti.qualcomm.com>
On 05/09/2016 10:54 AM, Manoharan, Rajkumar wrote:
>> On Monday, May 9, 2016 10:49 PM, greearb@candelatech.com wrote:
>>> On 04/01/2016 02:12 PM, greearb@candelatech.com wrote:
>>> From: Ben Greear <greearb@candelatech.com>
>>>
>>> We must not attempt to send WMI packets while holding the data-lock,
>>> as it may deadlock:
>>>
>>> BUG: sleeping function called from invalid context at drivers/net/wireless/ath/ath10k/wmi.c:1824
>>> in_atomic(): 1, irqs_disabled(): 0, pid: 2878, name: wpa_supplicant
>>>
>> Kalle: I notice these 5 patches are not in the latest wireless-testing.
>>
>> Are they not acceptable, or???
>>
> Aah!.. I recently cooked up similar patch for BUG_ON issue. I think this one is stable candidate. no?
All 5 have a possibility of being worth stable I think, but at least they should probably
go into upstream!
They were not a lot of fun to find or fix, so it would be nice if no one else had to waste
time on it.
Thanks,
Ben
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next prev parent reply other threads:[~2016-05-09 17:58 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-01 21:12 [PATCH v2 1/5] ath10k: Ensure txrx-compl-task is stopped when cleaning htt-tx greearb
2016-04-01 21:12 ` [PATCH v2 2/5] ath10k: Ensure peer_map references are cleaned up greearb
2016-04-01 21:12 ` [PATCH v2 3/5] ath10k: Add WARN_ON if we over-write peer-map pointer greearb
2016-05-10 7:12 ` Mohammed Shafi Shajakhan
2016-05-10 14:41 ` Ben Greear
2016-05-10 16:38 ` Mohammed Shafi Shajakhan
2016-07-08 6:48 ` [v2,3/5] " Kalle Valo
2016-04-01 21:12 ` [PATCH v2 4/5] ath10k: Clean up peer when sta goes away greearb
2016-04-01 21:12 ` [PATCH v2 5/5] ath10k: Fix deadlock when peer cannot be created greearb
2016-05-09 17:19 ` Ben Greear
2016-05-09 17:54 ` Manoharan, Rajkumar
2016-05-09 17:58 ` Ben Greear [this message]
2016-05-13 14:07 ` Valo, Kalle
2016-06-06 17:24 ` [v2,5/5] " Kalle Valo
2016-05-10 6:48 ` [PATCH v2 1/5] ath10k: Ensure txrx-compl-task is stopped when cleaning htt-tx Mohammed Shafi Shajakhan
2016-05-10 14:39 ` Ben Greear
2016-05-10 16:36 ` Mohammed Shafi Shajakhan
2016-07-08 6:43 ` [v2, " Kalle Valo
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