[PATCH] kvm: arm: don't treat unavailable HYP mode as an error

[Marc Zyngier]

On 28/11/17 15:18, Ard Biesheuvel wrote:
> Since it is perfectly legal to run the kernel at EL1, it is not
> actually an error if HYP mode is not available when attempting to
> initialize KVM, given that KVM support cannot be built as a module.
> So demote the kvm_err() to kvm_info(), which prevents the error from
> appearing on an otherwise 'quiet' console.
> 
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>
> ---
>  virt/kvm/arm/arm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
> index 772bf74ac2e9..988c888a9667 100644
> --- a/virt/kvm/arm/arm.c
> +++ b/virt/kvm/arm/arm.c
> @@ -1460,7 +1460,7 @@ int kvm_arch_init(void *opaque)
>  	bool in_hyp_mode;
>  
>  	if (!is_hyp_mode_available()) {
> -		kvm_err("HYP mode not available\n");
> +		kvm_info("HYP mode not available\n");
>  		return -ENODEV;
>  	}
>  
> 

Acked-by: Marc Zyngier <marc.zyngier at arm.com>

	M.
-- 
Jazz is not dead. It just smells funny...