linux-kernel - RE: [char-misc 1/4] mei: do not run reset flow from the interrupt thread

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Date:	Sun, 12 Jan 2014 09:00:16 +0000
From:	"Winkler, Tomas" <tomas.winkler@...el.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	"arnd@...db.de" <arnd@...db.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>,
	"Usyskin, Alexander" <alexander.usyskin@...el.com>
Subject: RE: [char-misc 1/4] mei: do not run reset flow from the interrupt
 thread



> On Sat, Jan 11, 2014 at 10:46:14PM +0000, Winkler, Tomas wrote:
> >
> >
> > >
> > > This is a _really_ big patch for a stable kernel tree.  Are you sure
> > > it's needed there?  Please go read Documentation/stable_kernel_rules.txt
> > > again.
> >
> > I understand it's big though currently I do not have significantly
> > simpler fix for the issue, all 4 patches are needed to make the reset
> > issue  go away.
> 
> What is the "reset issue"?  Who is it affecting?  What is the problem?

Reported here: 

https://lkml.org/lkml/2013/12/22/102
https://lkml.org/lkml/2013/11/1/190
https://bugzilla.novell.com/show_bug.cgi?id=821619

maybe few more other places, I've already tried to address the issue but it looks I didn't hit the nail till now.. 

> Is there a work-around without this patchset?

Disabling timer_work has same effect 

https://lkml.org/lkml/2013/11/7/179


but  I haven't checked fi it does have another side effects mostly in AMTHI. 

> 
> As it is, I can't take something this big for the stable tree, sorry.
> 

Understood, I will try to find smaller fix to target stable.

Thanks
Tomas
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