linux-kernel - Re: linux-next: build failure after merge of the final tree (scsi-post-merge tree related)

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Date:	Mon, 02 Aug 2010 14:09:26 -0500
From:	Mike Christie <michaelc@...wisc.edu>
To:	Konrad Rzeszutek Wilk <konrad@...nok.org>
CC:	James Bottomley <James.Bottomley@...senPartnership.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jayamohan Kallickal <jayamohank@...verengines.com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	linux-scsi <linux-scsi@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the final tree (scsi-post-merge
 tree related)

On 08/02/2010 01:59 PM, Konrad Rzeszutek Wilk wrote:
> On Mon, Aug 02, 2010 at 12:46:12PM -0500, Mike Christie wrote:
>> On 08/02/2010 11:54 AM, James Bottomley wrote:
>>> missing linux-scsi added to cc list.
>>>
>>> On Tue, 2010-08-03 at 02:47 +1000, Stephen Rothwell wrote:
>>>> Hi all,
>>>>
>>>> On Tue, 3 Aug 2010 02:44:45 +1000 Stephen Rothwell<sfr@...b.auug.org.au>
>>>> wrote:
>>>>>
>>>>> After merging the final tree, today's linux-next build (powerpc
>>>>> allmodconfig)
>>>>> failed like this:
>>>>>
>>>>> ERROR: ".iscsi_boot_destroy_kset" [drivers/scsi/be2iscsi/be2iscsi.ko]
>>>>> undefined!
>>>>> ERROR: ".iscsi_boot_create_host_kset"
>>>>> [drivers/scsi/be2iscsi/be2iscsi.ko] undefined!
>>>>> ERROR: ".iscsi_boot_create_target" [drivers/scsi/be2iscsi/be2iscsi.ko]
>>>>> undefined!
>>>>> ERROR: ".iscsi_boot_create_initiator"
>>>>> [drivers/scsi/be2iscsi/be2iscsi.ko] undefined!
>>>>> ERROR: ".iscsi_boot_create_ethernet" [drivers/scsi/be2iscsi/be2iscsi.ko]
>>>>> undefined!
>>>>>
>>>>> Caused by commit a33e2a708b2e83ee6111e45c8d3d49a112c3c887 ("[SCSI]
>>>>> be2iscsi: Add support for iscsi boot").  For some reason, commit
>>>>> ed94aa526655d915076dcdbbf4fc962b2a67fcb5 ("[SCSI] be2iscsi: select
>>>>> ISCSI_BOOT_SYSFS") was not sufficient to make sure that
>>>>> CONFIG_ISCSI_BOOT_SYSFS is defined for this build.
>>>>
>>>> It turns out that drivers/firmware/Kconfig is only included on x86, ia64
>>>> and blackfin.
>>>
>>> OK, we need to turn this around then and make be2iscsi only use iscsi
>>> boot if it's enabled ... that's going to be some fun #ifdefing in the
>>> driver.
>>>
>>
>> I think my mistake was to put iscsi_boot_sysfs in drivers/firmware. The
>
> Yikes. Last minute change, eh?

I do not know what you mean. The patches always had iscsi_boot_sysfs in 
the firmware dir. You mean this is a last minute change?

>
>> interface is generic and should be used on any arch and with anything
>> (ibft or iscsi driver) that wants to export iscsi boot info. The
>> attached patch moves iscsi_boot_sysfs to drivers/scsi. It was made over
>> linux-next. I have only compile tested it.
>
> did you compile test it with the x86 native iBFT driver?

Yes.

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