linux-kernel - Re: [PATCH] futex: Detect mismatched requeue targets

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Message-ID: <1953271756.544571256071596329.JavaMail.root@zmail07.collab.prod.int.phx2.redhat.com>
Date:	Tue, 20 Oct 2009 16:46:36 -0400 (EDT)
From:	John Kacur <jkacur@...hat.com>
To:	Darren Hart <dvhltc@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	linux-rt-users@...r.kernel.org
Subject: Re: [PATCH] futex: Detect mismatched requeue targets


----- "Darren Hart" <dvhltc@...ibm.com> wrote:

> John Kacur wrote:
> > Hello Darren
> > 
> > I took your patch from commit
> 84bc4af59081ee974dd80210e694ab59ebe51ce8
> > and I tried to git-cherry-pick it for v2.6.31.4-rt14
> > 
> > I had a little merge-commit to resolve. That wasn't too hard, but as
> the 
> > code is a bit different between the two versions, I would appreciate
> it if 
> > you could review the patch, and make sure that it still makes sense
> for 
> > v2.6.31.r-rt14
> 
> Hi John,
> 
> It looks good to me.  Where did you have the conflicts?
> 
> --

The conflict was in the futex_wait_requeue_pi function.
That's where you really need to double check that the logic still makes sense.

Thanks.
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