linux-kernel - Re: [PATCH] futex: Ensure get_futex_key

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Message-ID: <CA+55aFydqk0NVcYHForRCXVJj_Tw+T+ZW9GikAmUXdOgdpGf5A@mail.gmail.com>
Date:	Sat, 18 Oct 2014 08:28:23 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Mike Galbraith <umgwanakikbuti@...il.com>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Matteo Franchin <Matteo.Franchin@....com>,
	Davidlohr Bueso <davidlohr@...com>,
	Darren Hart <dvhart@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCH] futex: Ensure get_futex_key_refs() always implies a barrier

On Fri, Oct 17, 2014 at 11:54 PM, Mike Galbraith
<umgwanakikbuti@...il.com> wrote:
>
> The barrier fixing up my problematic box smells a lot like evidence.

Is this a "tested-by"? Did you actuallyu verify that the patch ends up
fixing the problem you saw?

            Linus
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