Re: [GIT PULL] x86/kaslr for v3.14

From: H. Peter Anvin
Date: Mon Jan 20 2014 - 18:01:04 EST

On 01/20/2014 02:54 PM, Linus Torvalds wrote:
> So I pulled this, but one question:
> On Mon, Jan 20, 2014 at 8:47 AM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>> + bool "Randomize the address of the kernel image"
>> + depends on RELOCATABLE
>> + depends on !HIBERNATION
> How fundamental is that "!HIBERNATION" issue? Right now that
> anti-dependency on hibernation support will mean that no distro kernel
> will actually use the kernel address space randomization. Which
> long-term is a problem.
> I'm not sure HIBERNATION is really getting all that much use, but I
> suspect distros would still want to support it.
> Is it just a temporary "I wasn't able to make it work, need to get
> some PM people involved", or is it something really fundamental?

Kees, could you comment?


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