linux-kernel - Re: [PATCH] x86: tighten kernel image page access rights

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Date:	Thu, 29 Mar 2007 11:53:07 +0200
From:	Andi Kleen <ak@...e.de>
To:	"Jan Beulich" <jbeulich@...ell.com>
Cc:	linux-kernel@...r.kernel.org, patches@...-64.org
Subject: Re: [PATCH] x86: tighten kernel image page access rights

On Thursday 29 March 2007 09:17, Jan Beulich wrote:
> >>> Andi Kleen <ak@...e.de> 28.03.07 21:07 >>>
> >
> >> +#ifdef CONFIG_HOTPLUG_CPU
> >> +	/* It must still be possible to apply SMP alternatives. */
> >> +	if (num_possible_cpus() <= 1)
> >
> >It would be better to temporarily change the pages where the alternatives
> >are applied while that is done and keep it otherwise ro
> 
> I had considered that, but not done so due to the larger resulting patch.
> Are you okay with doing this as a follow-up step?

Yes. I tried to apply the original patch, but gots lots of rejects.
Can you please resubmit that one against the latest firstfloor tree? 

-Andi
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