Re: [Xen-devel] [PATCH 2/3] x86: allow dma_get_required_mask() to be overridden
From: Jan Beulich
Date: Thu Nov 13 2014 - 05:32:19 EST
>>> On 13.11.14 at 11:25, <JBeulich@xxxxxxxx> wrote:
>>>> On 12.11.14 at 16:25, <david.vrabel@xxxxxxxxxx> wrote:
>> --- a/arch/x86/include/asm/device.h
>> +++ b/arch/x86/include/asm/device.h
>> @@ -13,4 +13,6 @@ struct dev_archdata {
>> struct pdev_archdata {
>> };
>>
>> +#define ARCH_HAS_DMA_GET_REQUIRED_MASK
>
> Is there a particular reason you put this here rather than in
> dma-mapping.h?
Never mind - I see you need it that way so that struct dma_map_ops
gets the get_required_mask field defined, other than e.g. ia64 which
handles through another abstraction layer.
Jan
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