Re: [PATCH v3 0/2] make kASLR vs hibernation boot-time selectable

[Kees Cook]

On Fri, Jun 13, 2014 at 4:25 PM, Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote:
> On Friday, June 13, 2014 01:30:34 PM Kees Cook wrote:
>> Distros want to be able to offer CONFIG_RANDOMIZE_BASE as well as
>> CONFIG_HIBERNATION in a single kernel. Instead of making kASLR depend on
>> !HIBERNATION at compile time, allow kaslr to be selectable at boot time
>> (via "kaslr" kernel command line), which will disable hibernation in the
>> kernel. In this way the end user can choose which feature they want more
>> with hibernation continuing to stay enabled by default (no surprises).
>>
>> This also has the benefit of being able to entirely disable hibernation
>> from the kernel command line, regardless of kASLR, which is a separately
>> desired feature as well.
>>
>> v3:
>> - switch from EINVAL to EPERM (pavel, jwboyer)
>> v2:
>> - rework using kernel command line instead of hibernation_mode (rjw)
>
> That looks kind of OK.
>
> Do you want me to push this through my tree?

Thanks, yes, that would be great.

-Kees

-- 
Kees Cook
Chrome OS Security
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