linux-kernel - Re: [PATCH 1/2] lib + ntfs: let modules force HWEIGHT

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Date:	Wed, 29 Nov 2006 08:40:09 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	lkml <linux-kernel@...r.kernel.org>, akpm <akpm@...l.org>,
	aia21@...tab.net
Subject: Re: [PATCH 1/2] lib + ntfs: let modules force HWEIGHT

On Tue, Nov 28, 2006 at 02:08:40PM -0800, Randy Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> NTFS (=m) uses hweight32(), but that function is only linked
> into the kernel image if it is used inside the kernel image,
> not in loadable modules.  Let modules force HWEIGHT to be
> built into the kernel image.  Otherwise build fails:
> 
>   Building modules, stage 2.
>   MODPOST 94 modules
> WARNING: "hweight32" [fs/ntfs/ntfs.ko] undefined!
> 
> Yes, I'd certainly prefer for this to be more automated rather than
> forced by each module that needs it.

Please just make it builtin-in always and remove it from lib-y.
Bonus points for killing of the lib-y braindamage entirely.

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