On Sat, May 14, 2022 at 09:43:21AM +0800, Lu Baolu wrote:
> tboot_force_iommu() is only called by the Intel IOMMU driver. Move the
> helper into that driver. No functional change intended.
>
> Signed-off-by: Lu Baolu <baolu...@linux.intel.com>
> ---
> include/linux/tboot.h | 2 --
> arch/x86/kernel/tboot.c | 15 ---------------
> drivers/iommu/intel/iommu.c | 14 ++++++++++++++
> 3 files changed, 14 insertions(+), 17 deletions(-)
Reviewed-by: Jason Gunthorpe <j...@nvidia.com>
> +static __init int tboot_force_iommu(void)
> +{
> + if (!tboot_enabled())
> + return 0;
> +
> + if (no_iommu || dmar_disabled)
> + pr_warn("Forcing Intel-IOMMU to enabled\n");
Unrelated, but when we are in the special secure IOMMU modes, do we
force ATS off? Specifically does the IOMMU reject TLPs that are marked
as translated?
Jason
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