linux-kernel - Re: [PATCH 6/9] swiotlb: use dma_to_phys and phys_to

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Message-ID: <1243688578.4399.67.camel@localhost.localdomain>
Date:	Sat, 30 May 2009 14:02:58 +0100
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
CC:	<linux-kernel@...r.kernel.org>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Olaf Kirch <okir@...e.de>, Greg KH <gregkh@...e.de>,
	Tony Luck <tony.luck@...el.com>,
	Becky Bruce <beckyb@...nel.crashing.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Kumar Gala <galak@...nel.crashing.org>, <x86@...nel.org>,
	<linux-ia64@...r.kernel.org>, <linuxppc-dev@...abs.org>
Subject: Re: [PATCH 6/9] swiotlb: use dma_to_phys and phys_to_dma

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.


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