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=-13.1 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 3C147C433E1 for ; Wed, 5 Aug 2020 16:51:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 12E9422D00 for ; Wed, 5 Aug 2020 16:51:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XmnFwMtn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727030AbgHEQv4 (ORCPT ); Wed, 5 Aug 2020 12:51:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728147AbgHEQts (ORCPT ); Wed, 5 Aug 2020 12:49:48 -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 7AA24C0A8939; Wed, 5 Aug 2020 07:11:41 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id u10so15826629plr.7; Wed, 05 Aug 2020 07:11:41 -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; bh=t3CWCXEfy1YBGVg4SnMNF6schJfAMQg5KljYK4gfTsI=; b=XmnFwMtnjN75K16BQFkOpsa1h5Gm1rBb8O9whIuMSekmr/T3t27uE23AcKyg9byPcU dzzBGhvcFRByy1Q8+sYNxodBAWBAwD2Lp4i1aP5x+b0f/TzAD5ltXbyjS57qa5sBvhK4 itlSPXslxBef0m0GB0yT2v85/iRjCac0hSY5FhBYy8l7+uKOMhY8+F02G+WVyx/EnprU Ofmp8Gkc9GZhKDjLBpV3XjErYVXpzmBVXDjmieAcvLAc888ZExmqFetlaWtf5udKQXEE 6YFMyesazSwkr9VZwLwemb4GPyWF2WVJEabky+DzNfv257CQNCk5SbffNCoCMDGh2/Eu /vNQ== 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; bh=t3CWCXEfy1YBGVg4SnMNF6schJfAMQg5KljYK4gfTsI=; b=LaflvK6Rx23mNdWE9DwZoDwBvcQT8I2/nlrcfZHGyGtAvG+g90BgsKu9EXrzyc4hvO 4p9ROI8ARhEfX2+FyL4RhTJmyI6rLGa1bzf87R5rjo+OXsmFukIja8jbqpyYwQzrQ8Po nxgekHzvbyFXNh8SRaG4Qk05ZsCQqJuY53bN7QtGl0V09/AUTPLdZC+KTGW1OCUazruk I8eVWNjl5tiO3BcilQFZObs6hiIouPxXdlrjEQZjqL9ZhbYZgxf1Ky9s+MJEhxH4EcrY u4ZKIcEu+f9vfltV8v7jzQvtl4nj2QNEvlPCGKJEl7ltXShqaMP1JtIHvn2NHLRa+GJE nfrg== X-Gm-Message-State: AOAM530v9lfwtxw/cMPibba/zpTiCQLb4JcGg6txqhJXKXaNABpIVe7/ j+HpASxH8Cjemk/s+jrYkcs= X-Google-Smtp-Source: ABdhPJyOFWD5B/gYZFHtHdIRmVl+RANMmDV8CWKM/a/07nb6tdMmsyGysW9wL9INF3jqqvCSc1Qwug== X-Received: by 2002:a17:90b:1106:: with SMTP id gi6mr3689116pjb.2.1596636700874; Wed, 05 Aug 2020 07:11:40 -0700 (PDT) Received: from localhost.localdomain ([203.205.141.62]) by smtp.gmail.com with ESMTPSA id o192sm4300017pfg.81.2020.08.05.07.11.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Aug 2020 07:11:40 -0700 (PDT) From: Yulei Zhang To: pbonzini@redhat.com Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, sean.j.christopherson@intel.com, jmattson@google.com, vkuznets@redhat.com, xiaoguangrong.eric@gmail.com, kernellwp@gmail.com, lihaiwei.kernel@gmail.com, Yulei Zhang Subject: [RFC 1/9] Introduce new fields in kvm_arch/vcpu_arch struct for direct build EPT support Date: Wed, 5 Aug 2020 22:12:32 +0800 Message-Id: <20200805141232.8742-1-yulei.kernel@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@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 86e2e0272c57..2407b872f493 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -821,6 +821,9 @@ 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 { @@ -983,6 +986,8 @@ 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