On 05/20/2013 10:21 AM, Linus Torvalds wrote:
> On Mon, May 20, 2013 at 9:43 AM, Michal Hocko <mho...@suse.cz> wrote:
>>
>> The configuration has been posted in the referenced thread:
>> https://lkml.org/lkml/2013/5/14/398
>
> Hmm. That's a regular intel i5 Sandybridge CPU. Which certainly has NX.
>
> Hmm. secondary_startup_64 isn't __initcode, is it? I think it's used
> for resuming the other CPU's too and for CPU hotplug. Yes/no?
>
> If so early_pmd_flags shouldn't be __initdata, I think.
>
> Michal, does it work if you don't do the revert, but just remove the
> __initdata instead?
>
Indeed. Looks like we corrupt a random bit in memory on resume.
-hpa
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