linux-kernel - Re: [PATCH 3/5] Add the ability to lock down access to the running kernel image

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Date:   Fri, 7 Apr 2017 08:45:52 +1000 (AEST)
From:   James Morris <jmorris@...ei.org>
To:     David Howells <dhowells@...hat.com>
cc:     ard.biesheuvel@...aro.org, matthew.garrett@...ula.com,
        linux-security-module@...r.kernel.org, linux-efi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] Add the ability to lock down access to the running
 kernel image

On Thu, 6 Apr 2017, David Howells wrote:

> Provide a single call to allow kernel code to determine whether the system
> should be locked down, thereby disallowing various accesses that might
> allow the running kernel image to be changed including the loading of
> modules that aren't validly signed with a key we recognise, fiddling with
> MSR registers and disallowing hibernation,
> 
> Signed-off-by: David Howells <dhowells@...hat.com>

Acked-by: James Morris <james.l.morris@...cle.com>

-- 
James Morris
<jmorris@...ei.org>