From patchwork Thu Sep 26 14:05:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Reto Buerki X-Patchwork-Id: 11162819 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 505D41599 for ; Thu, 26 Sep 2019 14:15:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 384EC222C5 for ; Thu, 26 Sep 2019 14:15:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727163AbfIZOP0 (ORCPT ); Thu, 26 Sep 2019 10:15:26 -0400 Received: from mail.codelabs.ch ([109.202.192.35]:57710 "EHLO mail.codelabs.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727158AbfIZOPZ (ORCPT ); Thu, 26 Sep 2019 10:15:25 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.codelabs.ch (Postfix) with ESMTP id 49E7CA0167; Thu, 26 Sep 2019 16:05:52 +0200 (CEST) Received: from mail.codelabs.ch ([127.0.0.1]) by localhost (fenrir.codelabs.ch [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id h7q0wHkKej5w; Thu, 26 Sep 2019 16:05:50 +0200 (CEST) Received: from skyhawk.codelabs.ch (unknown [192.168.10.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.codelabs.ch (Postfix) with ESMTPSA id 38CC8A0166; Thu, 26 Sep 2019 16:05:50 +0200 (CEST) From: Reto Buerki To: kvm@vger.kernel.org Subject: [RFC PATCH] KVM: VMX: Always sync CR3 to VMCS in nested_vmx_load_cr3 Date: Thu, 26 Sep 2019 16:05:41 +0200 Message-Id: <20190926140541.15453-2-reet@codelabs.ch> In-Reply-To: <20190926140541.15453-1-reet@codelabs.ch> References: <20190926140541.15453-1-reet@codelabs.ch> MIME-Version: 1.0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Required to make a Muen system work on KVM nested. Signed-off-by: Reto Buerki --- arch/x86/kvm/vmx/nested.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 41abc62c9a8a..101b2c0c8480 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -1008,6 +1008,8 @@ static int nested_vmx_load_cr3(struct kvm_vcpu *vcpu, unsigned long cr3, bool ne } } + vmcs_writel(GUEST_CR3, cr3); + if (!nested_ept) kvm_mmu_new_cr3(vcpu, cr3, false);