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From: Randy Dunlap <rdunlap@infradead.org>
To: Anton Blanchard <anton@samba.org>
Cc: linux-scsi@vger.kernel.org, james.smart@emulex.com,
	JBottomley@parallels.com
Subject: Re: Why does lpfc select GENERIC_CSUM?
Date: Wed, 07 Aug 2013 15:25:19 -0700	[thread overview]
Message-ID: <5202C94F.5070701@infradead.org> (raw)
In-Reply-To: <20130805202017.651b6cfd@kryten>

On 08/05/13 03:20, Anton Blanchard wrote:
> 
> Hi Randy,
> 
> commit 6a7252fd ([SCSI] lpfc: fix up Kconfig dependencies) added a
> select of GENERIC_CSUM. This seems strange to me - it's an architecture
> specific detail if the checksum routines are implemented in assembly or
> if they pull in lib/checksum.c.
> 
> The networking code doesn't select GENERIC_CSUM, so I'm not sure why
> the lpfc driver needs to. Was there a real issue we hit here?
> 
> Regards,
> Anton
> 

Hi Anton,

I reported:
"""
on i386:
# CONFIG_CRC_T10DIF is not set


drivers/built-in.o: In function `lpfc_bg_crc':
(.text+0x3cb3c9): undefined reference to `crc_t10dif'
"""

and then James Bottomley provided the patch.
I don't know why he added GENERIC_CSUM to it.

-- 
~Randy

  reply	other threads:[~2013-08-07 22:26 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-05 10:20 Why does lpfc select GENERIC_CSUM? Anton Blanchard
2013-08-07 22:25 ` Randy Dunlap [this message]
2013-08-08  7:47   ` [SCSI] lpfc: Don't force CONFIG_GENERIC_CSUM on Anton Blanchard
2013-08-08 15:01     ` James Smart

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