Re: [PATCH v6 01/64] arm64: Add ARM64_HAS_NESTED_VIRT cpufeature

Russell King (Oracle)
2022-02-01T14:23:16Z

On Fri, Jan 28, 2022 at 12:18:09PM +0000, Marc Zyngier wrote:
> From: Jintack Lim <jintack.lim@linaro.org>
>
> Add a new ARM64_HAS_NESTED_VIRT feature to indicate that the
> CPU has the ARMv8.3 nested virtualization capability, together
> with the 'kvm-arm.mode=nested' command line option.
>
> This will be used to support nested virtualization in KVM.
>
> Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
> [maz: moved the command-line option to kvm-arm.mode]
> Signed-off-by: Marc Zyngier <maz@kernel.org>

Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

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