linux-kernel - Re: linux-next: scsi-post-merge tree build failure

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Message-Id: <20090908181221.e8f98215.sfr@canb.auug.org.au>
Date:	Tue, 8 Sep 2009 18:12:21 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	James Bottomley <James.Bottomley@...senPartnership.com>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jayamohan Kallickal <jayamohank@...verengines.com>,
	Mike Christie <michaelc@...wisc.edu>
Subject: Re: linux-next: scsi-post-merge tree build failure

Hi James,

On Mon, 7 Sep 2009 20:06:46 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next build (powerpc allyesconfig) failed like this:
> 
> drivers/scsi/be2iscsi/be_main.c: In function 'hwi_write_buffer':
> drivers/scsi/be2iscsi/be_main.c:1481: error: implicit declaration of function 'virt_to_bus'
> 
> Caused by commit 9316dc3deb9675c674f96a0c6fb74ccc6c497fae ("[SCSI]
> be2iscsi: add 10Gbps iSCSI - BladeEngine 2 driver") which I have reverted
> for today.

The driver needs to depend on CONFIG_VIRT_TO_BUS if it needs to use
virt_to_bus().  That will prevent it from building on some platforms
(like powerpc) that do not implement virt_to_bus() and its brothers.

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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