[PATCH v8 01/69] arm64: Add ARM64_HAS_NESTED_VIRT cpufeature

[Catalin Marinas]

On Tue, Jan 31, 2023 at 09:23:56AM +0000, Marc Zyngier wrote:
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 6cfa6e3996cf..b7b0704e360e 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -2553,9 +2553,14 @@
>  			protected: nVHE-based mode with support for guests whose
>  				   state is kept private from the host.
>  
> +			nested: VHE-based mode with support for nested
> +				virtualization. Requires at least ARMv8.3
> +				hardware.

So we can't have protected + nested at the same time? ;) (I guess once
you make the protected mode use VHE, this could be revisited)

In the hope that this averts another post of the series:

Acked-by: Catalin Marinas <catalin.marinas at arm.com>