On Tue, 10 Nov 2020 15:19:08 +0800, Zhenzhong Duan wrote:
> "intel_iommu=off" command line is used to disable iommu but iommu is force
> enabled in a tboot system for security reason.
>
> However for better performance on high speed network device, a new option
> "intel_iommu=tboot_noforce" is introduced to disable the force on.
>
> By default kernel should panic if iommu init fail in tboot for security
> reason, but it's unnecessory if we use "intel_iommu=tboot_noforce,off".
>
> [...]
Applied to arm64 (for-next/iommu/fixes), thanks!
[1/1] iommu/vt-d: Avoid panic if iommu init fails in tboot system
https://git.kernel.org/arm64/c/4d213e76a359
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
