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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 0FC6CC433DF for ; Mon, 22 Jun 2020 21:58:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DCEF72073E for ; Mon, 22 Jun 2020 21:58:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730888AbgFVV6f (ORCPT ); Mon, 22 Jun 2020 17:58:35 -0400 Received: from mga11.intel.com ([192.55.52.93]:15498 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727006AbgFVV6f (ORCPT ); Mon, 22 Jun 2020 17:58:35 -0400 IronPort-SDR: KRvkcQRT4rBNCr/B1TE60VYKH5cLZXHpRpq1ncq91NPWlGvODwT812H1YPbfF3TZ/+8krUAwxS 8sveclPsje3A== X-IronPort-AV: E=McAfee;i="6000,8403,9660"; a="142148017" X-IronPort-AV: E=Sophos;i="5.75,268,1589266800"; d="scan'208";a="142148017" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2020 14:58:34 -0700 IronPort-SDR: LSYAsMODyMOxQuUrr1xHH7LlZh+uKR68WRuRiXJlBaJjIzaCCo/v0DqzSskgDc6DO3RqBjo+d0 XbSi2dPDo16w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,268,1589266800"; d="scan'208";a="300987312" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.152]) by fmsmga004.fm.intel.com with ESMTP; 22 Jun 2020 14:58:33 -0700 From: Sean Christopherson To: Paolo Bonzini Cc: Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/4] KVM: x86: nVMX: Nested PML bug fix and cleanup Date: Mon, 22 Jun 2020 14:58:28 -0700 Message-Id: <20200622215832.22090-1-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.26.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix for a theoretical bug in nested PML emulation, and additional clean up of the related code. Tested by doing a few rounds of intra-VM migration (same L1) of an L2 guest with PML confirmed enabled in L1. This has a trivial conflict with patch 3 of the MMU files series[*], both remove function prototypes from mmu.h. [*] https://lkml.kernel.org/r/20200622202034.15093-4-sean.j.christopherson@intel.com Sean Christopherson (4): KVM: nVMX: Plumb L2 GPA through to PML emulation KVM: x86/mmu: Drop kvm_arch_write_log_dirty() wrapper KVM: nVMX: WARN if PML emulation helper is invoked outside of nested guest KVM: x86/mmu: Make .write_log_dirty a nested operation arch/x86/include/asm/kvm_host.h | 2 +- arch/x86/kvm/mmu.h | 1 - arch/x86/kvm/mmu/mmu.c | 15 ------------- arch/x86/kvm/mmu/paging_tmpl.h | 7 +++--- arch/x86/kvm/vmx/nested.c | 38 +++++++++++++++++++++++++++++++++ arch/x86/kvm/vmx/vmx.c | 37 -------------------------------- 6 files changed, 43 insertions(+), 57 deletions(-) -- 2.26.0