Subject: Re: [PATCH 04/15] swiotlb: remove unnecessary swiotlb_bus_to_virt

From: Benjamin Herrenschmidt <[email-masked]>
Date: Thu, 16 Jul 2009 13:40:18 +1000

On Mon, 2009-07-13 at 21:17 -0500, Becky Bruce wrote:
> 
> phys_to_virt (also, virt_to_phys) is invalid for highmem addresses on  
> ppc. 

I would be surprised if x86 was any different here. Most of our highmem
implementation comes straight from x86 :-)

Cheers,
Ben.