Re: [PATCH 1/2] x86: Fix kernel panic when booting with XD disabled in uEFI firmware

[Borislav Petkov]

On Tue, Dec 08, 2015 at 12:30:06PM -0800, Kees Cook wrote:
> If we add this for not-nx, I would like to add it for not-rodata too.

The W+X thing?

I was under the impression we want to fix all those so that the ptdump
check doesn't fire anymore.

> I've never seen anyone actually use it. I was asked to include it out
> of fear of some kind of rogue imagined CPU configuration that mixed NX
> and non-NX capable CPUs in a single machine where the forced NX
> re-enablement code would cause problems. As you might imagine, I'm not
> aware of this case ever being an issue. ;)

Right. :)

Thanks.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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