From: "Jan Beulich" <jbeulich@novell.com>
To: "Andi Kleen" <ak@suse.de>
Cc: <linux-kernel@vger.kernel.org>, <patches@x86-64.org>
Subject: Re: [PATCH] x86: tighten kernel image page access rights
Date: Thu, 29 Mar 2007 08:17:48 +0100 [thread overview]
Message-ID: <460B843C.76E4.0078.0@novell.com> (raw)
In-Reply-To: <200703282107.11511.ak@suse.de>
>>> Andi Kleen <ak@suse.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?
Jan
next prev parent reply other threads:[~2007-03-29 7:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-26 14:14 [PATCH] x86: tighten kernel image page access rights Jan Beulich
2007-03-28 19:07 ` Andi Kleen
2007-03-29 7:17 ` Jan Beulich [this message]
2007-03-29 9:53 ` Andi Kleen
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