netdev - Re: [PATCH] Allow building iwl3945 without iwl4965.

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Message-ID: <20080502150736.GB23481@uranus.ravnborg.org>
Date:	Fri, 2 May 2008 17:07:36 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Zhu Yi <yi.zhu@...el.com>
Cc:	"Randy.Dunlap" <rdunlap@...otime.net>,
	"John W. Linville" <linville@...driver.com>,
	Jason Riedy <jason@....org>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] Allow building iwl3945 without iwl4965.

On Wed, Apr 30, 2008 at 05:34:26PM +0800, Zhu Yi wrote:
> On Tue, 2008-04-29 at 19:36 -0700, Randy.Dunlap wrote:
> > On Wed, 30 Apr 2008, Zhu Yi wrote:
> > 
> > > On Tue, 2008-04-29 at 09:27 -0400, John W. Linville wrote:
> > > > 
> > > > > Do we have a way to make "select IWLWIFI" generate CONFIG_IWLWIFI
> > > > with
> > > > > the same state as CONFIG_IWLCORE (or CONFIG_IWL3945)? AFAICS,
> > > > > CONFIG_IWLWIFI is always 'y' whenever CONFIG_IWLCORE is 'y' or 'm'.
> > > > If
> > > > > the latter is 'm', the Makefile will generate a empty built-in.o
> > > > which
> > > > > requires vmlinux to update unnecessarily every time we only compile
> > > > > iwl3945/4965 modules.
> > > > 
> > > > Can you do something like  "default IWLCORE'?  Untested, off the top
> > > > of my head...
> > > 
> > > I just realized the kernel now updates vmlinux when I type 'make' even
> > > if nothing is changed in the source code. Is this a bug or feature?
> > 
> > I see files in arch/x86/kernel/acpi/realmode/ always being built.
> > Is that what you see or is it something else?
> > 
> > You can do
> >   make V=2 all >build.log 2>&1
> > to see what is being rebuilt and hopefully why.
> > Then post that and maybe we can fix it (with the right people helping).
> 
> I found below fixes the problem. Sam, could you take a look?

Fix is in -linus now.

	Sam
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