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Re: [linuxwifi] x86/thermal: AB-BA dependency between mvm->mutex and tz->lock

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To: "jikos@xxxxxxxxxx" <jikos@xxxxxxxxxx>
Subject: Re: [linuxwifi] x86/thermal: AB-BA dependency between mvm->mutex and tz->lock
From: "Coelho, Luciano" <luciano.coelho@xxxxxxxxx>
Date: Thu, 17 Aug 2017 14:02:47 +0000
Accept-language: en-US
Cc: "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, linuxwifi <linuxwifi@xxxxxxxxx>, "Zhang, Rui" <rui.zhang@xxxxxxxxx>, "Weinehall, David" <david.weinehall@xxxxxxxxx>, "linux-pm@xxxxxxxxxxxxxxx" <linux-pm@xxxxxxxxxxxxxxx>, "edubezval@xxxxxxxxx" <edubezval@xxxxxxxxx>, "Berg, Johannes" <johannes.berg@xxxxxxxxx>, "kvalo@xxxxxxxxxxxxxx" <kvalo@xxxxxxxxxxxxxx>, "Sharon, Sara" <sara.sharon@xxxxxxxxx>, "linux-wireless@xxxxxxxxxxxxxxx" <linux-wireless@xxxxxxxxxxxxxxx>, "Grumbach, Emmanuel" <emmanuel.grumbach@xxxxxxxxx>
In-reply-to: <alpine.LSU.2.20.1708171537380.3581@cbobk.fhfr.pm>
References: <alpine.LSU.2.20.1707311300440.4705@cbobk.fhfr.pm> <alpine.LSU.2.20.1708031107230.30597@cbobk.fhfr.pm> <1501753405.15969.43.camel@intel.com> <87vam5nf4w.fsf@kamboji.qca.qualcomm.com> <1501759724.15969.49.camel@intel.com> <alpine.LSU.2.20.1708031330570.30597@cbobk.fhfr.pm> <alpine.LSU.2.20.1708031507290.30597@cbobk.fhfr.pm> <alpine.LSU.2.20.1708171537380.3581@cbobk.fhfr.pm>

On Thu, 2017-08-17 at 15:38 +0200, Jiri Kosina wrote:
> Hi,
> 
> anything new on this front please?
> 
> The splat (and therefore deadlock potential) is still there with current 
> Linus' tree.

Sorry, haven't had more time to spend on it.  I'll do it this evening.

But, just to clarify, the deadlock potential has been there for a while,
right? The only difference is that now we get the splat.

Not saying we shouldn't fix it though. ;)

--
Luca.

References:
- Re: [linuxwifi] x86/thermal: AB-BA dependency between mvm->mutex and tz->lock
  - From: Kalle Valo
- Re: [linuxwifi] x86/thermal: AB-BA dependency between mvm->mutex and tz->lock
  - From: Coelho, Luciano
- Re: [linuxwifi] x86/thermal: AB-BA dependency between mvm->mutex and tz->lock
  - From: Jiri Kosina
- Re: [linuxwifi] x86/thermal: AB-BA dependency between mvm->mutex and tz->lock
  - From: Jiri Kosina
- Re: [linuxwifi] x86/thermal: AB-BA dependency between mvm->mutex and tz->lock
  - From: Jiri Kosina

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