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

From: Rafael J. Wysocki
Date: Tue Jun 17 2014 - 16:49:54 EST


On Friday, June 13, 2014 11:09:15 PM Kees Cook wrote:
> 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.

OK, both applied, thanks!

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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