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 87E14FC6190 for ; Thu, 13 Sep 2018 17:35:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B91C21770 for ; Thu, 13 Sep 2018 17:05:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3B91C21770 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 S1728102AbeIMWPt (ORCPT ); Thu, 13 Sep 2018 18:15:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42232 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726821AbeIMWPs (ORCPT ); Thu, 13 Sep 2018 18:15:48 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AE90999D39; Thu, 13 Sep 2018 17:05:26 +0000 (UTC) Received: from vitty.brq.redhat.com (unknown [10.43.2.155]) by smtp.corp.redhat.com (Postfix) with ESMTP id 46B28608E8; Thu, 13 Sep 2018 17:05:24 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org Cc: Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Roman Kagan , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , "Michael Kelley (EOSG)" , Jim Mattson , Liran Alon , linux-kernel@vger.kernel.org Subject: [PATCH v5 00/12] KVM: nVMX: Enlightened VMCS for Hyper-V on KVM Date: Thu, 13 Sep 2018 19:05:10 +0200 Message-Id: <20180913170522.24876-1-vkuznets@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 13 Sep 2018 17:05:26 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changes since v4: - Rebase. - Adjust nested state migration support after additional testing. - Enhance self-test. - Drop "KVM: selftests: compile against local uapi headers" patch, add "tools/headers: update kvm.h" instead. Original description: This is an initial implementation of Enlightened VMCS for nested Hyper-V on KVM. Using it helps to spare 1500 cpu cycles for nested vmexit (tight cpuid loop in WS2016 with Hyper-V role on KVM: 15200 cycles -> 13700 cycles). Ladi Prosek (1): KVM: hyperv: define VP assist page helpers Vitaly Kuznetsov (11): KVM: VMX: refactor evmcs_sanitize_exec_ctrls() KVM: nVMX: add KVM_CAP_HYPERV_ENLIGHTENED_VMCS capability KVM: nVMX: add enlightened VMCS state KVM: nVMX: implement enlightened VMPTRLD and VMCLEAR KVM: nVMX: optimize prepare_vmcs02{,_full} for Enlightened VMCS case x86/kvm/hyperv: don't clear VP assist pages on init x86/kvm/lapic: preserve gfn_to_hva_cache len on cache reinit x86/kvm/nVMX: allow bare VMXON state migration x86/kvm/nVMX: nested state migration for Enlightened VMCS tools/headers: update kvm.h KVM: selftests: add Enlightened VMCS test arch/x86/include/asm/kvm_host.h | 3 + arch/x86/include/uapi/asm/kvm.h | 1 + arch/x86/kvm/hyperv.c | 31 +- arch/x86/kvm/hyperv.h | 4 + arch/x86/kvm/lapic.c | 14 +- arch/x86/kvm/lapic.h | 2 +- arch/x86/kvm/svm.c | 9 + arch/x86/kvm/vmx.c | 906 ++++++++++++++++++---- arch/x86/kvm/x86.c | 23 +- include/uapi/linux/kvm.h | 1 + tools/include/uapi/linux/kvm.h | 7 + tools/testing/selftests/kvm/Makefile | 1 + tools/testing/selftests/kvm/evmcs_test.c | 160 ++++ tools/testing/selftests/kvm/include/evmcs.h | 1099 +++++++++++++++++++++++++++ tools/testing/selftests/kvm/include/vmx.h | 28 + tools/testing/selftests/kvm/lib/vmx.c | 48 +- 16 files changed, 2156 insertions(+), 181 deletions(-) create mode 100644 tools/testing/selftests/kvm/evmcs_test.c create mode 100644 tools/testing/selftests/kvm/include/evmcs.h -- 2.14.4