Re: [Xen-devel] [PATCH v2 17/21] xen/iommu: arm: Wire iommu DOMCTL for ARM

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 31 Jul 2014, Julien Grall wrote:
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> 
> ---
>     Changes in v2:
>         - Don't move the call in common code.

Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>


>  xen/arch/arm/domctl.c |   11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/xen/arch/arm/domctl.c b/xen/arch/arm/domctl.c
> index bab92b2..370dd99 100644
> --- a/xen/arch/arm/domctl.c
> +++ b/xen/arch/arm/domctl.c
> @@ -43,7 +43,16 @@ long arch_do_domctl(struct xen_domctl *domctl, struct 
> domain *d,
>      }
>  
>      default:
> -        return subarch_do_domctl(domctl, d, u_domctl);
> +    {
> +        int rc;
> +
> +        rc = subarch_do_domctl(domctl, d, u_domctl);
> +
> +        if ( rc == -ENOSYS )
> +            rc = iommu_do_domctl(domctl, d, u_domctl);
> +
> +        return rc;
> +    }
>      }
>  }
>  
> -- 
> 1.7.10.4
> 

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