AMD64 vs i386/x86

Christopher Chan christopher.chan at
Fri Feb 19 00:56:46 UTC 2010

On Thursday, February 18, 2010 11:26 PM, Chris Jones wrote:
> Odd wrote:
>> Chris Jones wrote:
>>>> Security benefits of the 64-bit kernel? What do you get from a 64-bit
>>>> Linux kernel that you do not get on a 32-bit kernel?
>>> Someone in a previous discussion posted a link to a page that discussed
>>> this, but I cannot find the link now, sorry. I'll have another look.
>> Must be the NX bit you are talking about. AMD implemented it in the AMD64
>> architecture first, but both Intel and AMD uses  in in their respective x86
>> architectures. also, afaik. Dunno what else it could be.
> Yes, that was it. I found the link.
> and in particular the Non-Exec Memory section.

And which is available on 32-bit kernels too.

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