AMD64 vs i386/x86

[Christopher Chan]

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.
>
> https://wiki.ubuntu.com/Security/Features
>
> and in particular the Non-Exec Memory section.
>

And which is available on 32-bit kernels too.