As per CodingStyle

From 2.4

From Andi Kleen

From 2.4

From 2.4, this adds a CONFIG_ option to disable
the usage of -fomit-frame-pointer

from 2.4

emu10k1 is a dupe
add missing ite8172

Make things work if SMP kernel, and only 1 CPU.

From 2.4

Whoever did the copy_to_user changes a few months back used
a braindamaged editor which screwed the indentation..

47 is a dupe, 46 is a new one.

This stuff hasn't been used since 2.1.x days (due to it being
broken), and with no sign of anyone trying to fix it, we may as well
remove it.