linux-kernel - Re: x86/mm/pageattr: Code without effect?

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Date:	Mon, 8 Apr 2013 13:59:59 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Andrea Arcangeli <aarcange@...hat.com>,
	Stefan Bader <stefan.bader@...onical.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andy Whitcroft <apw@...onical.com>,
	Mel Gorman <mgorman@...e.de>
Subject: Re: x86/mm/pageattr: Code without effect?

On Mon, Apr 08, 2013 at 01:53:44PM +0200, Ingo Molnar wrote:
> 
> * Borislav Petkov <bp@...en8.de> wrote:
> 
> > > have been the source of the confusion. Remove the noop initialization
> > > accordingly.
> > > 
> > > Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>
> > 
> > Yeah, looks good to me. I've folded it into my pile of changes touching this and 
> > there are no visible issues. [...]
> 
> Logistics question: is this fix coming upstream-wards via your pile of changes 
> anytime soon?

Actually I was thinking Andrea would send it since it is his fix. And
besides, my pile is still stinking. :-)

AFAICT, the patch fixes a noop so the current code works anyway - IOW,
it is basically a code correctness fix which doesn't have any other
effect. What I mean by that is, no need to go in now for 3.9 and stable.

Long story, short: best it would be, IMO, if Andrea would send it to
you soonish but you apply it for 3.10 so that it sees a whole cycle of
testing just in case - it is CPA code after all.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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