Re: [PATCH v12 2/5] iommu: Enhance IOMMU default DMA mode build options

[Lu Baolu]

On 2021/6/11 20:20, John Garry wrote:
> +choice
> +	prompt "IOMMU default DMA mode"

This is not explicit.

How about

"IOMMU DMA default cache invalidation policy"

?

Best regards,
baolu

> +	depends on IOMMU_DMA
> +
> +	default IOMMU_DEFAULT_STRICT
> +	help
> +	  This option allows an IOMMU DMA mode to be chosen at build time, to
> +	  override the default DMA mode of each ARCH, removing the need to
> +	  pass in kernel parameters through command line. It is still possible
> +	  to provide ARCH-specific or common boot options to override this
> +	  option.
> +
> +	  If unsure, keep the default.