Re: [PATCH] Mark i2o config broken on 64-bit platforms.
From: Alan Cox
Date: Wed Jul 09 2008 - 12:22:48 EST
On Wed, 09 Jul 2008 15:15:14 +0100
David Howells <dhowells@xxxxxxxxxx> wrote:
> Miquel van Smoorenburg <miquels@xxxxxxxxxx> wrote:
> Maybe, but have you looked at i2o_cfg_passthru()? Take this, for example:
>
> /* Allocate memory for the transfer */
> p = kmalloc(sg_size, GFP_KERNEL);
> ...
> //TODO 64bit fix
> sg[i].addr_bus = virt_to_bus(p);
>
> That looks distinctly dodgy. virt_to_bus() returns a 64-bit address, and as
Agreed - stick | GFP_DMA32 on the end then ;)
Alan
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