Re: [PATCH v3 03/10] x86/tdx: Allow MMIO from userspace

From: Kirill A. Shutemov
Date: Mon Aug 19 2024 - 06:46:49 EST


On Fri, Aug 16, 2024 at 03:43:53PM +0200, Alexey Gladkov wrote:
> From: "Alexey Gladkov (Intel)" <legion@xxxxxxxxxx>
>
> 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: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

And you seem to lost Reviewed-by from Thomas:

https://lore.kernel.org/all/874j867mnd.ffs@tglx

--
Kiryl Shutsemau / Kirill A. Shutemov