From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759072AbYCaOoi (ORCPT ); Mon, 31 Mar 2008 10:44:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753117AbYCaOhp (ORCPT ); Mon, 31 Mar 2008 10:37:45 -0400 Received: from bzq-179-150-194.static.bezeqint.net ([212.179.150.194]:51322 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751520AbYCaOhe (ORCPT ); Mon, 31 Mar 2008 10:37:34 -0400 From: Avi Kivity To: kvm-devel@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org, Joerg Roedel Subject: [PATCH 20/40] KVM: SVM: move feature detection to hardware setup code Date: Mon, 31 Mar 2008 17:37:04 +0300 Message-Id: <1206974244-9716-21-git-send-email-avi@qumranet.com> X-Mailer: git-send-email 1.5.4.5 In-Reply-To: <1206974244-9716-1-git-send-email-avi@qumranet.com> References: <1206974244-9716-1-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Joerg Roedel By moving the SVM feature detection from the each_cpu code to the hardware setup code it runs only once. As an additional advance the feature check is now available earlier in the module setup process. Signed-off-by: Joerg Roedel Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index ff3bc74..5f527dc 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -302,7 +302,6 @@ static void svm_hardware_enable(void *garbage) svm_data->asid_generation = 1; svm_data->max_asid = cpuid_ebx(SVM_CPUID_FUNC) - 1; svm_data->next_asid = svm_data->max_asid + 1; - svm_features = cpuid_edx(SVM_CPUID_FUNC); asm volatile ("sgdt %0" : "=m"(gdt_descr)); gdt = (struct desc_struct *)gdt_descr.address; @@ -411,6 +410,9 @@ static __init int svm_hardware_setup(void) if (r) goto err_2; } + + svm_features = cpuid_edx(SVM_CPUID_FUNC); + return 0; err_2: -- 1.5.4.5