Re: [PATCH 3/3] iommu/vt-d: Add build dependency on IOASID

[Lu Baolu]

On 2020/3/20 12:32, Jacob Pan wrote:
> IOASID code is needed by VT-d scalable mode for PASID allocation.
> Add explicit dependency such that IOASID is built-in whenever Intel
> IOMMU is enabled.
> Otherwise, aux domain code will fail when IOMMU is built-in and IOASID
> is compiled as a module.
>
> Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>

Fixes: 59a623374dc38 ("iommu/vt-d: Replace Intel specific PASID 
allocator with IOASID")
Acked-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

Best regards,
baolu

> ---
>   drivers/iommu/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
> index d2fade984999..25149544d57c 100644
> --- a/drivers/iommu/Kconfig
> +++ b/drivers/iommu/Kconfig
> @@ -188,6 +188,7 @@ config INTEL_IOMMU
>   	select NEED_DMA_MAP_STATE
>   	select DMAR_TABLE
>   	select SWIOTLB
> +	select IOASID
>   	help
>   	  DMA remapping (DMAR) devices support enables independent address
>   	  translations for Direct Memory Access (DMA) from devices.