linux-kernel - Re: [PATCH] make csum

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Date:	03 Apr 2007 22:02:12 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	akpm <akpm@...ux-foundation.org>, sam@...nborg.org,
	davem@...emloft.net
Subject: Re: [PATCH] make csum_partial obj-y

Randy Dunlap <randy.dunlap@...cle.com> writes:

> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> Fixes kernel bugzilla #8242:
> 
> Move csum_partial() from lib-y to obj-$(CONFIG_CSUM_PARTIAL)
> so that modules can use it.
> 
> CONFIG_BLK_DEV_MD (md/raid driver) needs csum_partial(),
> even when CONFIG_NET=n and BLK_DEV_MD=m, so build it as an
> object to force it being built and available.
> 
> REISERFS with XATTR=y also needs csum_partial(), so that
> is enforced here.

They are all broken because csum_partial gives different values
on different architectures.   You're just extending that to
possibly more subsystems.

-Andi
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