linux-kernel - Re: Tasks stuck in futex code (in 3.14-rc6)

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Date:	Thu, 20 Mar 2014 22:24:52 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Davidlohr Bueso <davidlohr@...com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	ppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>
Subject: Re: Tasks stuck in futex code (in 3.14-rc6)

On Thu, Mar 20, 2014 at 9:55 PM, Srikar Dronamraju
<srikar@...ux.vnet.ibm.com> wrote:
>
> I reverted commits 99b60ce6 and b0c29f79. Then applied the patches in
> the above url. The last one had a reject but it was pretty
> straightforward to resolve it. After this, specjbb completes.
>
> So reverting and applying v3 3/4 and 4/4 patches works for me.

Ok, I verified that the above endds up resulting in the same tree as
the minimal patch I sent out, modulo (a) some comments and (b) an
#ifdef CONFIG_SMP in futex_get_mm() that doesn't really matter.

So I committed the minimal patch with your tested-by.

             Linus
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