On Tue, Apr 09, 2019 at 08:53:03PM +0800, Zhen Lei wrote:
> +static int __init iommu_dma_mode_setup(char *str)
> +{
> + if (!str)
> + goto fail;
> +
> + if (!strncmp(str, "passthrough", 11))
> + iommu_default_dma_mode = IOMMU_DMA_MODE_PASSTHROUGH;
> + else if (!strncmp(str, "lazy", 4))
> + iommu_default_dma_mode = IOMMU_DMA_MODE_LAZY;
> + else if (!strncmp(str, "strict", 6))
> + iommu_default_dma_mode = IOMMU_DMA_MODE_STRICT;
> + else
> + goto fail;
> +
> + pr_info("Force dma mode to be %d\n", iommu_default_dma_mode);
Printing a number is not very desriptive or helpful to the user. Please
print the name of the mode instead.
Regards,
Joerg
