Re: [RFC v6][PATCH 1/4] intel_txt: Intel(R) TXT boot support

[David Woodhouse]

On Tue, 2009-06-30 at 19:30 -0700, Joseph Cihula wrote:
> 
> +int tboot_force_iommu(void)
> +{
> +       if (!tboot_enabled())
> +               return 0;
> +
> +       if (no_iommu || swiotlb || dmar_disabled)
> +               pr_warning("Forcing Intel-IOMMU to enabled\n");
> +
> +       dmar_disabled = 0;
> +#ifdef CONFIG_SWIOTLB
> +       swiotlb = 0;
> +#endif
> +       no_iommu = 0;
> +
> +       return 1;
> +}

Ick. The logic for selecting which IOMMU is used is convoluted enough
already, without adding this here.

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@xxxxxxxxx                              Intel Corporation

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