linux-kernel - Re: [PATCH] Speed up "make headers

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Message-ID: <20080608200727.GA32141@uranus.ravnborg.org>
Date:	Sun, 8 Jun 2008 22:07:27 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	linux-kbuild <linux-kbuild@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] Speed up "make headers_*"

On Sun, Jun 08, 2008 at 11:47:30AM +0200, Sam Ravnborg wrote:
> This is just a heads up patch if anyone is interested.
> I finally took the time needed to optimize the
> make headers_* targets.

Based on inputs from various people I have now updated the patch.
A proper serie with a few preparational patches will be posted
and they are aiming for kbuild-next.

The patchset:

      kbuild: refactor headers_* targets in Makefile
      kbuild: always unifdef files in headers_install*
      kbuild: drop support of ALTARCH for headers_*
      kbuild: code refactoring in Makefile.headerinst
      kbuild: error out early in make headers_install
      kbuild: optimize headers_* targets

The meat of the patch is in the last patch which contains all
the real improvements.

	Sam
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