From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756858AbXGHL5Z (ORCPT ); Sun, 8 Jul 2007 07:57:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754734AbXGHLzO (ORCPT ); Sun, 8 Jul 2007 07:55:14 -0400 Received: from il.qumranet.com ([82.166.9.18]:38400 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751584AbXGHLyp (ORCPT ); Sun, 8 Jul 2007 07:54:45 -0400 From: Avi Kivity To: kvm-devel@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org, Avi Kivity Subject: [PATCH 08/20] KVM: VMX: Reinitialize the real-mode tss when entering real mode Date: Sun, 8 Jul 2007 14:54:37 +0300 Message-Id: <1183895689989-git-send-email-avi@qumranet.com> X-Mailer: git-send-email 1.5.2.2 In-Reply-To: <11838956891287-git-send-email-avi@qumranet.com> References: <11838956891287-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Protected mode code may have corrupted the real-mode tss, so re-initialize it when switching to real mode. Signed-off-by: Avi Kivity --- drivers/kvm/vmx.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index b47ddcc..42a9163 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -31,6 +31,8 @@ MODULE_AUTHOR("Qumranet"); MODULE_LICENSE("GPL"); +static int init_rmode_tss(struct kvm *kvm); + static DEFINE_PER_CPU(struct vmcs *, vmxarea); static DEFINE_PER_CPU(struct vmcs *, current_vmcs); @@ -951,6 +953,8 @@ static void enter_rmode(struct kvm_vcpu *vcpu) fix_rmode_seg(VCPU_SREG_DS, &vcpu->rmode.ds); fix_rmode_seg(VCPU_SREG_GS, &vcpu->rmode.gs); fix_rmode_seg(VCPU_SREG_FS, &vcpu->rmode.fs); + + init_rmode_tss(vcpu->kvm); } #ifdef CONFIG_X86_64 -- 1.5.2.2