linux-kernel - Re: [GIT]: Networking

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Date:	Tue, 06 Jan 2009 08:12:33 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	sam@...nborg.org
Cc:	jaswinderlinux@...il.com, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, dwmw2@...radead.org
Subject: Re: [GIT]: Networking

From: Sam Ravnborg <sam@...nborg.org>
Date: Tue, 6 Jan 2009 09:11:35 +0100

> One of the pratical issues I have with this is when to read which files.
> 
> What we could do is something like:
> 
> - during *config scan all "wildcard enabled" directories
>   and read the Kconfig info from the relevant .C files.
> - record which .C files which included Kconfig and do
>   an automatic "scan + oldconfig" when one of these files
>   changes
> 
> When we add new Kconfig info to a file we would have
> to manually do the *config to trigger a scan for the .C files

Yes, this is the only cheap way to do this.

Note, we are already scanning the full source files using a custom
tool to generate dependencies.... oh nevermind, we used to use a
custom tool, we seem to be just transforming gcc -MD output now.

Anyways, if we were still using that custom optimized parser we could
have put the Kconfig/Makefile info extracter in there.
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