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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 1AA6BC433E6 for ; Tue, 1 Sep 2020 12:06:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E725C206EF for ; Tue, 1 Sep 2020 12:06:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XGknnUl5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728079AbgIAMGg (ORCPT ); Tue, 1 Sep 2020 08:06:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726419AbgIALxu (ORCPT ); Tue, 1 Sep 2020 07:53:50 -0400 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F381C061244; Tue, 1 Sep 2020 04:53:50 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id y6so423060plt.3; Tue, 01 Sep 2020 04:53:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=deukqrTnR0cMzsDKDaqxmBI2QdBNNOMXdjj1IqkXDBo=; b=XGknnUl5Ax4ZlofOqiThlZt8dgwF/9fDJdmA9cH5irula3kLI7CPRZdtZKjoWcQvDn 6B04V4QhFIMLMKg+Mhd8b086sl9AYx3mAjclN+TgDMQ319a+bG4Y//xrZ/QFSp6FwN1g 0lO8uOwRIXqEUW1RzJNAIdBx8rj4eO8oOR4/GGJc1uusHoco4LjMvs4Lqe9ia/CEUqNX 1ZwV0v1yg34L7gtWDlMPlZf3muPjnnssrC/R5Z6knCMEzWj+6mrPtfrQVSwZofUoNI3X 6Nb51M0GQZmfzS89waYtM2Ee4I8ImR2PxPSgF1+3LvQlDDB2z2NYs2t7R/RzGLy1A5cz n0Sg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=deukqrTnR0cMzsDKDaqxmBI2QdBNNOMXdjj1IqkXDBo=; b=uRgLdV3zy/Pe9lAaLZkpssfjnQaDfv3lfwfWQ0yy+HjoiyaYh+PgGfUwxRHI7x2Lvd hfzaFFCoI0I6u0GZaWuKlKIWGPECPV2tdKF/4zTDBZdjyb1rZKr3KpjRlp1qSs93wCYK vpWbllGo/5Rwq7ohwe1V3KX+EvI7vCgCKSN+oiiIplYAhrmsw3IC8FEKNpYESOJtSyZY bdjqgNYjXVqkz36s1mK8dIwT9Ubh0w8vztLaANgVV91lvtdYUFmcEc/gzXw9Ri9DbFsd mxydgBoJOCU/H/ImIaVuXhKswoEUbA57I8GKse9TPEjrU/jo9BhsHG7fPiHKxMzJau6R ifFw== X-Gm-Message-State: AOAM533bQZGfWWR0JzSs6n+NyI3rYXCAdwTJz/T6wx2OvnTqvR2/dMQd CCRFFiTaPJ17x2mQIT2uIA4= X-Google-Smtp-Source: ABdhPJwNjXvlt61ssgWgPZnZKqp427rrJB0T8ROpLi2YxiDjwxc1bBuVnFWLhkztKoKUIcxnj0fhnA== X-Received: by 2002:a17:902:b111:: with SMTP id q17mr1066230plr.202.1598961229988; Tue, 01 Sep 2020 04:53:49 -0700 (PDT) Received: from localhost.localdomain ([203.205.141.53]) by smtp.gmail.com with ESMTPSA id fs24sm1365344pjb.8.2020.09.01.04.53.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2020 04:53:49 -0700 (PDT) From: yulei.kernel@gmail.com X-Google-Original-From: yuleixzhang@tencent.com To: pbonzini@redhat.com Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, sean.j.christopherson@intel.com, jmattson@google.com, junaids@google.com, bgardon@google.com, vkuznets@redhat.com, xiaoguangrong.eric@gmail.com, kernellwp@gmail.com, lihaiwei.kernel@gmail.com, Yulei Zhang Subject: [RFC V2 1/9] Introduce new fields in kvm_arch/vcpu_arch struct for direct build EPT support Date: Tue, 1 Sep 2020 19:54:43 +0800 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yulei Zhang Add parameter global_root_hpa for saving direct build global EPT root point, and add per-vcpu flag direct_build_tdp to indicate using global EPT root point. Signed-off-by: Yulei Zhang --- arch/x86/include/asm/kvm_host.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 5ab3af7275d8..485b1239ad39 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -788,6 +788,9 @@ struct kvm_vcpu_arch { /* AMD MSRC001_0015 Hardware Configuration */ u64 msr_hwcr; + + /* vcpu use pre-constructed EPT */ + bool direct_build_tdp; }; struct kvm_lpage_info { @@ -963,6 +966,8 @@ struct kvm_arch { struct kvm_pmu_event_filter *pmu_event_filter; struct task_struct *nx_lpage_recovery_thread; + /* global root hpa for pre-constructed EPT */ + hpa_t global_root_hpa; }; struct kvm_vm_stat { -- 2.17.1