On Wed, 12 Nov 2014, David Vrabel wrote:
> Use dma_ops->get_required_mask() if provided, defaulting to
> dma_get_requried_mask_from_max_pfn().
>
> This is needed on systems (such as Xen PV guests) where the DMA
> address and the physical address are not equal.
>
> Signed-off-by: David Vrabel
Re
>>> On 13.11.14 at 11:25, wrote:
On 12.11.14 at 16:25, 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
On 13/11/14 10:25, Jan Beulich wrote:
On 12.11.14 at 16:25, 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 particu
>>> On 12.11.14 at 16:25, 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-ma
Use dma_ops->get_required_mask() if provided, defaulting to
dma_get_requried_mask_from_max_pfn().
This is needed on systems (such as Xen PV guests) where the DMA
address and the physical address are not equal.
Signed-off-by: David Vrabel
---
arch/x86/include/asm/device.h |2 ++
arch/x86/ker
