[PATCH v2 0/6] Remove default DMA window before creating DDW

[Leonardo Bras]

On Wed, 2020-06-24 at 03:24 -0300, Leonardo Bras wrote:
> Patch #5:
> Instead of destroying the created DDW if it doesn't map the whole
> partition, make use of it instead of the default DMA window.
> 
> Patch #6:
> Changes the way iommu_bypass_supported_pSeriesLP() check for 
> iommu_bypass: instead of checking the address returned by enable_ddw(),
> it checks a new output value that reflects if the DDW created maps
> the whole partition.

Patches #5 and #6 were sent more as a RFC, but since they depend on the
series, I decided adding them here.