From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <Ian.Campbell@citrix.com>
Date: Sat, 30 May 2009 13:02:58 +0000
Subject: Re: [PATCH 6/9] swiotlb: use dma_to_phys and phys_to_dma
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To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: linux-kernel@vger.kernel.org, FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>, Olaf Kirch <okir@suse.de>, Greg KH <gregkh@suse.de>, Tony Luck <tony.luck@intel.com>, Becky Bruce <beckyb@kernel.crashing.org>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Kumar Gala <galak@kernel.crashing.org>, x86@kernel.org, linux-ia64@vger.kernel.org, linuxppc-dev@ozlabs.org

On Fri, 2009-05-29 at 14:09 -0700, Jeremy Fitzhardinge wrote:
> Ian Campbell wrote:
> >  void * __weak swiotlb_bus_to_virt(struct device *hwdev, dma_addr_t address)
> >   
> 
> Does this need to be weak too?

It's was wanted by PowerPC to support highmem, that's what patch 8/9
tries to address in an arch-independent way.

Ian.