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To: "Martin J. Bligh" <mbligh@aracnet.com>
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Subject: Re: [RFC] [PATCH] subarch cleanup 
In-Reply-To: Message from "Martin J. Bligh" <mbligh@aracnet.com> 
   of "Fri, 22 Nov 2002 07:42:19 PST." <1047956111.1037950936@[10.10.2.3]> 
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mbligh@aracnet.com said:
> That's not true either. There are lots of header files under the
> include tree that aren't externally useful.

It may be honoured more in the breach than the observance, but it's a custom 
nonetheless.

> And every other header file is under the include path ... putting them
> all mixed in with C files is just making a mess.

No, look at e.g. SCSI.  We have a scsi.h file in drivers/scsi which defines 
subsystem specific things that we only use within SCSI.  We have 
include/scsi/scsi.h which defines things other subsystems can use.

> Que? How is include/asm-i386 any more "kernel core" than arch/i386? 

Because the files are spreading.  I think there's value to keeping something 
tightly contained unless you're going to encourage others to use it.  
Interfaces are dangerous things: If you release them into the wild 
willy-nilly, they can come back and bite you (athough more often they just 
bite other people).

James


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