Re: [PATCH 6/9] swiotlb: use dma_to_phys and phys_to_dma
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- To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
- Subject: Re: [PATCH 6/9] swiotlb: use dma_to_phys and phys_to_dma
- From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
- Date: Sat, 30 May 2009 14:02:58 +0100
- Cc: <linux-kernel@xxxxxxxxxxxxxxx>, FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>, Olaf Kirch <okir@xxxxxxx>, Greg KH <gregkh@xxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Becky Bruce <beckyb@xxxxxxxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx>, <x86@xxxxxxxxxx>, <linux-ia64@xxxxxxxxxxxxxxx>, <linuxppc-dev@xxxxxxxxxx>
- In-reply-to: <4A204EFC.501@xxxxxxxx>
- List-id: <linux-ia64.vger.kernel.org>
- Organization: Citrix Systems, Inc.
- References: <1243586643-5554-1-git-send-email-ian.campbell@xxxxxxxxxx> <1243586643-5554-7-git-send-email-ian.campbell@xxxxxxxxxx> <4A204EFC.501@xxxxxxxx>
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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