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SubjectRe: [PATCH 05/27] kexec: Disable at runtime if the kernel is locked down
On Thu, 19 Oct 2017, David Howells wrote:

> From: Matthew Garrett <matthew.garrett@nebula.com>
>
> kexec permits the loading and execution of arbitrary code in ring 0, which
> is something that lock-down is meant to prevent. It makes sense to disable
> kexec in this situation.
>
> This does not affect kexec_file_load() which can check for a signature on the
> image to be booted.
>
> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
> Signed-off-by: David Howells <dhowells@redhat.com>
> Acked-by: Dave Young <dyoung@redhat.com>
> cc: kexec@lists.infradead.org


Reviewed-by: James Morris <james.l.morris@oracle.com>

--
James Morris
<james.l.morris@oracle.com>

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