Re: [PATCH v1 3/4] x86/tdx: Allow MMIO from userspace

[Thomas Gleixner]

On Tue, Jul 30 2024 at 19:35, Alexey Gladkov wrote:
> The MMIO emulation is only allowed for kernel space code. It is carried
> out through a special API, which uses only certain instructions.
>
> This does not allow userspace to work with virtual devices.
>
> Allow userspace to use the same instructions as kernel space to access
> MMIO. So far, no additional checks have been made.
>
> Signed-off-by: Alexey Gladkov (Intel) <legion@xxxxxxxxxx>

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>