Re: [PATCH] iommu/vt-d: Return the correct dma mask when we are bypassing the IOMMU

[Lu Baolu]

Hi Christoph,

On 10/9/19 2:51 PM, Christoph Hellwig wrote:

On Wed, Oct 09, 2019 at 10:45:15AM +0800, Lu Baolu wrote:

Do you mind explaining why we always return 32 bit here?

See the comment in dma_get_required_mask().

Got it. Thank you.

Best regards,
Baolu