linux-kernel - [RFC] kbuild: generic support for asm-generic

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Message-ID: <20110108130302.GA21698@merkur.ravnborg.org>
Date:	Sat, 8 Jan 2011 14:03:02 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	lkml <linux-kernel@...r.kernel.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	linux arch <linux-arch@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Guan Xuetao <guanxuetao@...c.pku.edu.cn>,
	Michal Marek <mmarek@...e.cz>
Subject: [RFC] kbuild: generic support for asm-generic

Hi Arnd et all.

This is my second attempt to provide generic support for
architectures that use existing headers from asm-generic.

With this kbuild will read the file: arch/$ARCH/include/asm-generic

For each file listed in this file a wrapper is generated in
arch/$ARCH/inclue/generated/asm/

The patch include support so headers_install works.

The inspiration came from the unicore32 patchset,
but I redid this to make it more general.

I will follow-up with two patches.
One that implment the functionality.
A second that convert two headers in x86 to use the
new asm-generic stuff (only as an example).

	Sam
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