From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DBADECDFB8 for ; Fri, 20 Jul 2018 13:26:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 44C2320652 for ; Fri, 20 Jul 2018 13:26:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 44C2320652 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731830AbeGTOOw (ORCPT ); Fri, 20 Jul 2018 10:14:52 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:38372 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731693AbeGTOOv (ORCPT ); Fri, 20 Jul 2018 10:14:51 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DCE687A7E7; Fri, 20 Jul 2018 13:26:32 +0000 (UTC) Received: from vitty.brq.redhat.com (ovpn-204-189.brq.redhat.com [10.40.204.189]) by smtp.corp.redhat.com (Postfix) with ESMTP id 88FA02026D6B; Fri, 20 Jul 2018 13:26:31 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org Cc: Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Jim Mattson , Liran Alon , linux-kernel@vger.kernel.org Subject: [PATCH RFC 2/7] x86/kvm/mmu.c: set get_pdptr hook in kvm_init_shadow_ept_mmu() Date: Fri, 20 Jul 2018 15:26:21 +0200 Message-Id: <20180720132626.5975-3-vkuznets@redhat.com> In-Reply-To: <20180720132626.5975-1-vkuznets@redhat.com> References: <20180720132626.5975-1-vkuznets@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Fri, 20 Jul 2018 13:26:32 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Fri, 20 Jul 2018 13:26:32 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'vkuznets@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org kvm_init_shadow_ept_mmu() doesn't set get_pdptr() hook and is this not a problem just because MMU context is already initialized and this hook points to kvm_pdptr_read(). As we're intended to use a dedicated MMU for shadow EPT MMU set this hook explicitly. Signed-off-by: Vitaly Kuznetsov --- arch/x86/kvm/mmu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 914e4eea487a..10598dd396ed 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -4570,6 +4570,8 @@ void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly, context->direct_map = false; context->base_role.ad_disabled = !accessed_dirty; context->base_role.guest_mode = 1; + context->get_pdptr = kvm_pdptr_read; + update_permission_bitmask(vcpu, context, true); update_pkru_bitmask(vcpu, context, true); update_last_nonleaf_level(vcpu, context); -- 2.14.4