[PATCH] KVM: arm64: Allow KVM to be disabled from the command line

[Will Deacon]

On Fri, Sep 03, 2021 at 10:16:52AM +0100, Marc Zyngier wrote:
> Although KVM can be compiled out of the kernel, it cannot be disabled
> at runtime. Allow this possibility by introducing a new mode that
> will prevent KVM from initialising.
> 
> This is useful in the (limited) circumstances where you don't want
> KVM to be available (what is wrong with you?), or when you want
> to install another hypervisor instead (good luck with that).
> 
> Signed-off-by: Marc Zyngier <maz at kernel.org>
> ---
>  Documentation/admin-guide/kernel-parameters.txt |  3 +++
>  arch/arm64/include/asm/kvm_host.h               |  1 +
>  arch/arm64/kernel/idreg-override.c              |  1 +
>  arch/arm64/kvm/arm.c                            | 14 +++++++++++++-
>  4 files changed, 18 insertions(+), 1 deletion(-)

Acked-by: Will Deacon <will at kernel.org>

Will