linux-kernel - Re: [PATCH] make csum

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Message-ID: <4612A66D.5090009@oracle.com>
Date:	Tue, 03 Apr 2007 12:09:33 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Andi Kleen <andi@...stfloor.org>
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

Andi Kleen wrote:
> 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.

So the ones that can be localized (BLK_DEV_MD and REISERFS)
should have their own versions?

How does the networking code work across multiple architectures?

-- 
~Randy
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