Re: [PATCH RFC 2/2] linux/vnuma: Enables NUMA support for PV guest

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Tue, Aug 27, 2013 at 04:53:00AM -0400, Elena Ufimtseva wrote:
> Enables NUMA support for PV guest and uses vNUMA
> interface to discover topology provided by XEN.

I think this should depend on a hypercall to figure out
whether Xen supports this mechanism ?

> 
> Signed-off-by: Elena Ufimtseva <ufimtseva@gmail.com>
> ---
>  arch/x86/xen/setup.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
> index 056d11f..7e0c93b 100644
> --- a/arch/x86/xen/setup.c
> +++ b/arch/x86/xen/setup.c
> @@ -561,6 +561,6 @@ void __init xen_arch_setup(void)
>  	WARN_ON(xen_set_default_idle());
>  	fiddle_vdso();
>  #ifdef CONFIG_NUMA
> -	numa_off = 1;
> +	numa_off = 0;
>  #endif
>  }
> -- 
> 1.7.10.4
>