From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752863Ab3KRUbb (ORCPT ); Mon, 18 Nov 2013 15:31:31 -0500 Received: from mail-qa0-f53.google.com ([209.85.216.53]:50008 "EHLO mail-qa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752834Ab3KRUb0 (ORCPT ); Mon, 18 Nov 2013 15:31:26 -0500 From: Elena Ufimtseva To: xen-devel@lists.xenproject.org Cc: konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, david.vrabel@citrix.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, akpm@linux-foundation.org, tangchen@cn.fujitsu.com, wency@cn.fujitsu.com, ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com, mukesh.rathor@oracle.com, linux-kernel@vger.kernel.org, Elena Ufimtseva Subject: [PATCH v2 2/2] xen: enable vnuma for PV guest Date: Mon, 18 Nov 2013 15:25:50 -0500 Message-Id: <1384806350-12651-3-git-send-email-ufimtseva@gmail.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1384806350-12651-1-git-send-email-ufimtseva@gmail.com> References: <1384806350-12651-1-git-send-email-ufimtseva@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enables numa if vnuma topology hypercall is supported and it is domU. Signed-off-by: Elena Ufimtseva --- 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 68c054f..0aab799 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include @@ -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