linux-kernel - Re: [PATCH] pch_uart: Add eg20t_port lock field, avoid recursive spinlocks

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Date:	Wed, 5 Sep 2012 17:18:41 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Darren Hart <dvhart@...ux.intel.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Stable <stable@...r.kernel.org>,
	Tomoya MORINAGA <tomoya.rohm@...il.com>,
	Feng Tang <feng.tang@...el.com>,
	Alexander Stein <alexander.stein@...tec-electronic.com>
Subject: Re: [PATCH] pch_uart: Add eg20t_port lock field, avoid recursive
 spinlocks

On Wed, Sep 05, 2012 at 05:14:48PM -0700, Greg Kroah-Hartman wrote:
> On Wed, Sep 05, 2012 at 05:04:07PM -0700, Darren Hart wrote:
> > The following patch has been included in linux-next
> > (fe89def79c48e2149abdd1e816523e69a9067191) but has not yet landed in mainline
> > nor been queued for stable so far as I can determine. This patch addresses a
> > deadlock in mainline and is a prerequisite for an additional fix required by the
> > PREEMPT_RT kernel. Can we get this pulled into 3.4.11 please?
> 
> 3.4.11?  It has to hit Linus's tree first.
> 
> > Perhaps I am
> > jumping the gun, but this patch was originally pulled on June 19, 2012.
> 
> Remember, we missed a pull cycle for tty due to other problems, I
> thought I picked all of the different pieces needed for 3.6, but I must
> of missed this one.

Nope, it made it, it is commit 2588aba002d14e938c2f56d299ecf3e7ce1302a5.

Now, do you want that patch in the -stable releases?  If so, how far
back? :)

Sorry for the mess,

greg k-h
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