Re: ppc vs ppc64 vs powerpc?

[Guennadi Liakhovetski <gl@xxxxxxxxx>]

On Sun, 1 Jul 2007, Robert P. J. Day wrote:

> 
>   not being an expert on the powerpc platform, can someone clarify the
> differences between the above?  the current situation is somewhat
> confusing since there are only two subdirectories under arch/ --
> powerpc and ppc -- yet i see constant references to the "ppc64"
> architecture.
> 
>   what is the current preferred usage?  thanks.

The 2 directories under 2.4 kernel ppc and ppc64 are being merged into 
arch/powerpc. Since this is a long process, arch/ppc is kept so far for 
legacy platforms, that have not yet being ported to arch/powerpc. arch/ppc 
is deprecated and will disappear some time in the future (there are 
patches being discussed currently on ppc lists to remove arch/ppc in 1 
year from now). All new development is taking place under powerpc.

Thanks
Guennadi
---------------------------------
Guennadi Liakhovetski, Ph.D.
DSA Daten- und Systemtechnik GmbH
Pascalstr. 28
D-52076 Aachen
Germany

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