ppc vs ppc64 vs powerpc?

["Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx>]

  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.

rday
-- 
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Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://fsdev.net/wiki/index.php?title=Main_Page
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