Subject: Re: [PATCH 21/30] KVM: PPC: make e500v2 and e500mc mutually exclusive

From: Scott Wood <[email-masked]>
Date: Fri, 17 Feb 2012 16:13:54 -0600

On 02/17/2012 11:13 AM, Alexander Graf wrote:
> We can't build e500v2 and e500mc (kvm) support inside the same kernel.
> So indicate that by making the 2 options mutually exclusive in kconfig.
> 
> Signed-off-by: Alexander Graf <[email-masked]>
> ---
>  arch/powerpc/kvm/Kconfig |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
> index 44a998d..25ffc1e 100644
> --- a/arch/powerpc/kvm/Kconfig
> +++ b/arch/powerpc/kvm/Kconfig
> @@ -134,7 +134,7 @@ config KVM_E500V2
>  
>  config KVM_E500MC
>  	bool "KVM support for PowerPC E500MC/E5500 processors"
> -	depends on EXPERIMENTAL && PPC_E500MC
> +	depends on EXPERIMENTAL && PPC_E500MC && !KVM_E500V2
>  	select KVM
>  	select KVM_MMIO
>  	select KVM_BOOKE_HV

Instead should make KVM_E500V2 not selectable if PPC_E500MC is present
-- it won't work due to the absence of PID1 on e500mc.

-Scott