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Message-ID: <4874DD72.2050903@garzik.org>
Date: Wed, 09 Jul 2008 11:46:58 -0400
From: Jeff Garzik <jeff@...zik.org>
To: Alan Cox <alan@...rguk.ukuu.org.uk>
CC: David Howells <dhowells@...hat.com>, alan@...hat.com,
Markus.Lidel@...dowconnect.com, vvs@...ru,
akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
linux-scsi@...r.kernel.org
Subject: Re: [PATCH] Mark i2o config broken on 64-bit platforms.
Alan Cox wrote:
> On Wed, 09 Jul 2008 12:35:47 +0100
> David Howells <dhowells@...hat.com> wrote:
>
>> Mark i2o config broken on 64-bit platforms as it generates these:
>>
>> In file included from drivers/message/i2o/config-osm.c:39:
>> drivers/message/i2o/i2o_config.c: In function 'i2o_cfg_passthru':
>> drivers/message/i2o/i2o_config.c:889: warning: cast to pointer from integer of different size
>> drivers/message/i2o/i2o_config.c:945: warning: cast to pointer from integer of different size
>>
>> which are apparently non-trivial to fix (eg: inserting a cast through unsigned
>> long is not correct according to Linus). This would be due to struct
>> sg_simple_element only having a 32-bit addr_bus value.
>>
>> There are also a number of "TODO 64bit fix" comments.
>>
>> Signed-off-by: David Howells <dhowells@...hat.com>
>
>
> NAK - it appears to be broken for 64bit user space only
Agreed.
That was the conclusion when I joined the cast of thousands who tried to
kill this warning, and found that out...
Jeff
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