linux-kernel - Re: [4.14.66-rt40] [report][cpuhotplug] BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:974

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Date:   Fri, 31 Aug 2018 14:19:53 -0500
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC:     Steven Rostedt <rostedt@...dmis.org>,
        "linux-rt-users@...r.kernel.org" <linux-rt-users@...r.kernel.org>,
        Mike Galbraith <efault@....de>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [4.14.66-rt40] [report][cpuhotplug] BUG: sleeping function called
 from invalid context at kernel/locking/rtmutex.c:974



On 08/30/2018 04:14 AM, Sebastian Andrzej Siewior wrote:
> On 2018-08-29 16:28:50 [-0500], Grygorii Strashko wrote:
>>
>> Thank you. Are there any plans to back port them for 4.14-rt?
>> Patch [1] need to be reworked a bit, [2] - I was able to cherry-pick from 4.18-rt.
> 
> Grygorii, could you please replace the second patch with
> 
>    https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/plain/patches/irqchip-gic-v3-its-Move-pending-table-allocation-to-.patch?h=linux-4.18.y-rt-patches
> 
> (incremental patch
>    https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/patch/?id=4a0819bb25d12d39c0390636122eefba232596c1
> )
> 
> and check if it works? It should work but I can't test it myself because
> my box with GICv3 died recently…

I've tried this and do not see warnings. I'm sending 4.14-rt patches i have as
I could miss smth while cherry-picking.

-- 
regards,
-grygorii