Re: 4.4-rc5: ugly warn on: 5 W+X pages found
From: Linus Torvalds
Date: Tue Dec 15 2015 - 14:08:27 EST
On Tue, Dec 15, 2015 at 10:40 AM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
>
> Shouldn't we switch those two lines?
No. This is for debugging Pavel's issue. If somehow the
__supported_pte_mask ends up having NX clear again (memory scribble,
whatever), we very explicitly would want to catch that.
I'm *not* suggesting this as a generic patch to be applied anywhere
else. That patch is meant to debug Pavel's particular setup, and
nothing else.
Linus
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