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Date: Fri, 10 Oct 2008 08:54:34 -0400
From: Josh Boyer <jwboyer@...il.com>
To: Alan Cox <alan@...hat.com>
Cc: torvalds@...l.org, linux-kernel@...r.kernel.org,
linux-serial@...r.kernel.org
Subject: Re: [PATCH 22/27] serial: Make uart_port's ioport "unsigned long".
On Fri, Oct 10, 2008 at 11:50:56AM +0100, Alan Cox wrote:
>From: David Miller <davem@...emloft.net>
>
>Otherwise the top 32-bits of the resource value get chopped
>off on 64-bit systems, and the resulting I/O accesses go to
>random places.
>
>Thanks to testing and debugging by Josip Rodin, which helped
>track this down.
>
>Signed-off-by: David S. Miller <davem@...emloft.net>
>Signed-off-by: Alan Cox <alan@...hat.com>
I emailed on an earlier posting of this about using resource_size_t
instead as we have 32-bit CPUs with 64-bit address spaces. If I'm
totally wrong, that's fine but I'm still wondering if that would be
a better general solution.
josh
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