linux-kernel - Re: futexes: Still infinite loop in get_futex

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Message-ID: <2c0942db0907270900uef8f32ao72319090d816d3c4@mail.gmail.com>
Date:	Mon, 27 Jul 2009 09:00:44 -0700
From:	Ray Lee <ray-lk@...rabbit.org>
To:	Jens Rosenboom <jens.rosenboom@...enet.ag>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Sonny Rao <sonnyrao@...ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: futexes: Still infinite loop in get_futex_key() in 2.6.31-rc4

On Mon, Jul 27, 2009 at 7:00 AM, Jens Rosenboom
<jens.rosenboom@...enet.ag> wrote:
>
> On Mon, Jul 27, 2009 at 03:36:52PM +0200, Peter Zijlstra wrote:
> > On Mon, 2009-07-27 at 14:45 +0200, Jens Rosenboom wrote:
> >
> > > Good question, but as this happens on a production machine, I cannot
> > > easily change the installation to check this.
> >
> > Uhm, but you do run .31-rc4 on it? :-)
>
> In the hope of verifying a patch, yes. Before that we had 2.6.29.4
> for some time.

In principle you should be able to run an x86_64 kernel on that
machine with the 32-bit userspace unchanged. The only hassle would be
if you are using any kernel modules outside the normal tree. So, no
need to change the full installation.
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