[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH RFC v2 2/2] linux/vnuma: Enables NUMA for domu PV guest
After the NUMA topology was received from Xen, enable NUMA during boot. Should have CONFIG_NUMA enabled in kernel. Changes since v1: - added additional checks for PV guest and hypercall support before enablinf NUMA; Signed-off-by: Elena Ufimtseva <ufimtseva@xxxxxxxxx> --- 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 8f3eea6..2f2d28e 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> @@ -583,6 +584,9 @@ 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_support()) + numa_off = 0; + else + numa_off = 1; #endif } -- 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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