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Date: Mon, 20 Jan 2003 20:12:50 +0100
From: Sam Ravnborg <sam@ravnborg.org>
To: John Levon <levon@movementarian.org>
Cc: Mikael Pettersson <mikpe@csd.uu.se>, linux-kernel@vger.kernel.org
Subject: Re: [2.5] initrd/mkinitrd still not working
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	Mikael Pettersson <mikpe@csd.uu.se>, linux-kernel@vger.kernel.org
References: <200301201457.PAA25276@harpo.it.uu.se> <20030120155250.GB58326@compsoc.man.ac.uk>
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On Mon, Jan 20, 2003 at 03:52:50PM +0000, John Levon wrote:
> > As to why the .o -> .ko name change was necessary, I have no idea.
> > Rusty?
> 
> For one thing, it means you can do :
> 
> obj-$(CONFIG_OPROFILE) += oprofile.o
> oprofile-y                              := $(DRIVER_OBJS) init.o
> timer_int.o
> oprofile-$(CONFIG_X86_LOCAL_APIC)       += nmi_int.o op_model_athlon.o \
>                                            op_model_ppro.o op_model_p4.o

The above mentioned possibility to list 'members' of a composite object
by means of either:
oprofile-y
or
oprofile-objs

has nothing to do with the .ko extension.
But that feature may have been added in the same time-frame though.


I do not recall exactly whay Kai introduced the .ko extension, but
without checking I assume that makes it easier / possible to do some
added tricks in the makefiles.

	Sam
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