Re: global descriptor table in X86 Linux

[Peter Teoh <htmldeveloper@xxxxxxxxx>]

search for "lgdt" here (for 32-bit kernel):

http://lxr.free-electrons.com/source/arch/x86/kernel/head_32.S

On Tue, Jul 29, 2014 at 4:04 AM, Xin Tong <trent.tong@xxxxxxxxx> wrote:

Hi 

Ive heard that Linux uses the flat mode segmentation, i.e. the segmentation base is forced to be 0 and the limit to be 2^64.

I am having trouble finding the kernel code that sets up the GDT, can someone please point me to the right direction. 

Thanks a lot.

Xin 

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Regards,
Peter Teoh

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