Re: How does kernel know the type of processor?

["Joseph A. Knapka" <jknapka@earthlink.net>]

ece lca wrote:
> 
>   Hi, I have a newbie question.
>   My kernel is compiled for i386, but when I use
> "uname -a", it correctly tells the type of processor
> in my machine, which is an i686.
>   Could someone give an idea how the kernel does this?
>   Thank you.

Have a look at arch/i386/kernel/head.S. The "cpuid"
instruction seems to tell you everything you need
to know.

-- Joe
 
-- Joe Knapka
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