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

[Russell King (Oracle)]

On Fri, Jan 28, 2022 at 12:18:09PM +0000, Marc Zyngier wrote:
> From: Jintack Lim <jintack.lim at 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 at linaro.org>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> Signed-off-by: Christoffer Dall <christoffer.dall at arm.com>
> [maz: moved the command-line option to kvm-arm.mode]
> Signed-off-by: Marc Zyngier <maz at kernel.org>

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

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