linux-kernel - Re: [PATCH v2] iio: fix sched WARNING "do not call blocking ops when !TASK

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Date:   Sun, 21 Aug 2016 16:23:44 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Lars-Peter Clausen <lars@...afoo.de>,
        Brian Norris <briannorris@...omium.org>
Cc:     Hartmut Knaack <knaack.h@....de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Guenter Roeck <linux@...ck-us.net>,
        Brian Norris <computersforpeace@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH v2] iio: fix sched WARNING "do not call blocking ops when
 !TASK_RUNNING"

On 21/08/16 13:26, Lars-Peter Clausen wrote:
> On 08/21/2016 01:21 PM, Jonathan Cameron wrote:
> [...]
>> I've applied to this to the fixes-togreg branch of iio.git
>>
>> For now I haven't marked it for stable, purely because I'm not sure
>> when the first 'problem' usage was introduced.  I'm happy to explicitly
>> send a request for stable inclusion if anyone wants to track down
>> which stable trees this is applicable to.
>>
>> I've very low on time today (holiday catch up) so won't get to
>> dig into it myself for a at least a few weeks.
> 
> The issue has been around for a bit longer, but the wait_woken()
> infrastructure has only available since v3.19.
> 
I've marked for stable and added a note about that.
Will do for now!

Jonathan