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From: Tejun Heo <htejun@gmail.com>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: jgarzik@pobox.com, gregkh@suse.de, alan@lxorguk.ukuu.org.uk,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 6/13] devres: implement managed iomap interface
Date: Tue, 08 Apr 2008 23:48:43 +0900 [thread overview]
Message-ID: <47FB85CB.2070506@gmail.com> (raw)
In-Reply-To: <47FA4FD2.8060808@ru.mvista.com>
Sergei Shtylyov wrote:
> A very late comment but nevertheless... :-)
Better late than never.
> Those functions are going to break on 32-bit platforms with extended
> physical address (well, that's starting with Pentiums which had 36-bit
> PAE :-) AND devices mapped beyond 4 GB (e.g. PowerPC 44x). You should
> have used resource_size_t for the 'offset' parameter. As this most
> probably means that libata is broken on such platforms, I'm going to
> submit a patch...
Yeah, right please go ahead. But I wonder whether any BIOS was actually
crazy enough to map mmio region above 4G on 32bit machine.
--
tejun
next prev parent reply other threads:[~2008-04-08 14:49 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-10 5:35 [PATCHSET] Managed device resources, take #2 Tejun Heo
2007-01-10 5:35 ` [PATCH 2/13] devres: implement managed IO region interface Tejun Heo
2007-01-10 5:35 ` [PATCH 1/13] devres: device resource management core Tejun Heo
2007-01-10 5:35 ` [PATCH 3/13] devres: implement managed IRQ interface Tejun Heo
2007-01-10 5:35 ` [PATCH 4/13] devres: implement managed DMA interface Tejun Heo
2007-01-10 5:35 ` [PATCH 8/13] libata: implement ata_host_detach() Tejun Heo
2007-01-10 5:35 ` [PATCH 5/13] devres: implement managed PCI interface Tejun Heo
2007-01-10 5:35 ` [PATCH 6/13] devres: implement managed iomap interface Tejun Heo
2008-04-07 16:46 ` Sergei Shtylyov
2008-04-08 14:48 ` Tejun Heo [this message]
2008-04-08 14:55 ` Sergei Shtylyov
2008-04-08 15:03 ` Tejun Heo
2008-04-10 16:56 ` Sergei Shtylyov
2008-04-10 17:44 ` Kumar Gala
2008-04-10 18:24 ` Sergei Shtylyov
2008-04-10 19:40 ` Kumar Gala
2008-04-11 2:08 ` Tejun Heo
2007-01-10 5:35 ` [PATCH 7/13] devres: add Documentation/driver-model/devres.txt Tejun Heo
2007-01-10 5:35 ` [PATCH 9/13] libata: update libata core layer to use devres Tejun Heo
2007-01-10 5:35 ` [PATCH 12/13] devres: implement pcim_iomap_regions() Tejun Heo
2007-01-10 5:35 ` [PATCH 11/13] libata: remove unused functions Tejun Heo
2007-01-20 0:31 ` [PATCHSET] Managed device resources, take #2 Jeff Garzik
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