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SubjectRe: [PATCH V3 08/11] kexec: Disable at runtime if the kernel enforces module loading restrictions
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On Wed, Sep 4, 2013 at 4:09 PM,  <jerry.hoemann@hp.com> wrote:
> On Tue, Sep 03, 2013 at 07:50:15PM -0400, Matthew Garrett wrote:
>> kexec permits the loading and execution of arbitrary code in ring 0, which
>> is something that module signing enforcement is meant to prevent. It makes
>> sense to disable kexec in this situation.
>>
>> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
>
>
> Matthew,
>
> Disabling kexec will disable kdump, correct?

Yes.

> Are there plans to enable kdump on a system where secure
> boot is enabled?

Vivek Goyal has been working on this. I've not seen the code yet, but
I believe it should be posted somewhere relatively soon. We're also
planning on talking about it at the Secure Boot microconference at
Linux Plumbers in two weeks.

josh


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