Enables numa if vnuma topology hypercall is supported and it is domU. Signed-off-by: Elena Ufimtseva <ufimtseva@gmail.com> --- arch/x86/xen/setup.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 09f3059..fe23ec2 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -20,6 +20,7 @@ #include <asm/numa.h> #include <asm/xen/hypervisor.h> #include <asm/xen/hypercall.h> +#include <asm/xen/vnuma.h> #include <xen/xen.h> #include <xen/page.h> @@ -598,6 +599,9 @@ void __init xen_arch_setup(void) WARN_ON(xen_set_default_idle()); fiddle_vdso(); #ifdef CONFIG_NUMA - numa_off = 1; + if (!xen_initial_domain() && xen_vnuma_supported()) + numa_off = 0; + else + numa_off = 1; #endif } -- 1.7.10.4