Re: [PATCH] Revert "x86-64, init: Do not set NX bits on non-NXcapable hardware"

[Linus Torvalds]

On Mon, May 20, 2013 at 11:13 AM, H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> wrote:
>
> Indeed.  Looks like we corrupt a random bit in memory on resume.

Well, in this case, it's probably the DEBUG_PAGEALLOC that Michal has
enabled, which causes a page fault - and then a triple fault - at
secondary CPU startup. And the triple fault then results in a reboot.
Which explains the symptoms he gets.

Without DEBUG_PAGEALLOC it ends up being "just" a single-bit corruption, yes.

             Linus
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