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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,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 E0D49C2D0E9 for ; Mon, 30 Mar 2020 10:21:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C2CAC20733 for ; Mon, 30 Mar 2020 10:21:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729748AbgC3KVj (ORCPT ); Mon, 30 Mar 2020 06:21:39 -0400 Received: from mx01.bbu.dsd.mx.bitdefender.com ([91.199.104.161]:43880 "EHLO mx01.bbu.dsd.mx.bitdefender.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729401AbgC3KT5 (ORCPT ); Mon, 30 Mar 2020 06:19:57 -0400 Received: from smtp.bitdefender.com (smtp02.buh.bitdefender.net [10.17.80.76]) by mx01.bbu.dsd.mx.bitdefender.com (Postfix) with ESMTPS id 39454307489C; Mon, 30 Mar 2020 13:12:53 +0300 (EEST) Received: from localhost.localdomain (unknown [91.199.104.28]) by smtp.bitdefender.com (Postfix) with ESMTPSA id 17409305B7A0; Mon, 30 Mar 2020 13:12:53 +0300 (EEST) From: =?UTF-8?q?Adalbert=20Laz=C4=83r?= To: kvm@vger.kernel.org Cc: virtualization@lists.linux-foundation.org, Paolo Bonzini , =?UTF-8?q?Mihai=20Don=C8=9Bu?= , =?UTF-8?q?Adalbert=20Laz=C4=83r?= Subject: [PATCH v8 29/81] KVM: x86: extend kvm_mmu_gva_to_gpa_system() with the 'access' parameter Date: Mon, 30 Mar 2020 13:12:16 +0300 Message-Id: <20200330101308.21702-30-alazar@bitdefender.com> In-Reply-To: <20200330101308.21702-1-alazar@bitdefender.com> References: <20200330101308.21702-1-alazar@bitdefender.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Mihai Donțu This is needed for the introspection subsytem to emulate a guest page table walk on SPT violations due to A/D bit updates. Signed-off-by: Mihai Donțu Signed-off-by: Adalbert Lazăr --- arch/x86/include/asm/kvm_host.h | 2 +- arch/x86/kvm/x86.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 5b8e44e494b1..85d3c9c2983f 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1522,7 +1522,7 @@ gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, struct x86_exception *exception); gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, - struct x86_exception *exception); + u32 access, struct x86_exception *exception); bool kvm_apicv_activated(struct kvm *kvm); void kvm_apicv_init(struct kvm *kvm, bool enable); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4a4d6663608a..ed6eb1241cf1 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5414,9 +5414,9 @@ gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, /* uses this to access any guest's mapped memory without checking CPL */ gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, - struct x86_exception *exception) + u32 access, struct x86_exception *exception) { - return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, 0, exception); + return vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, exception); } static int kvm_read_guest_virt_helper(gva_t addr, void *val, unsigned int bytes, @@ -9181,7 +9181,7 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, vcpu_load(vcpu); idx = srcu_read_lock(&vcpu->kvm->srcu); - gpa = kvm_mmu_gva_to_gpa_system(vcpu, vaddr, NULL); + gpa = kvm_mmu_gva_to_gpa_system(vcpu, vaddr, 0, NULL); srcu_read_unlock(&vcpu->kvm->srcu, idx); tr->physical_address = gpa; tr->valid = gpa != UNMAPPED_GVA;