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=-8.3 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL 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 7F44FC3A59D for ; Fri, 16 Aug 2019 18:20:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 58DF22086C for ; Fri, 16 Aug 2019 18:20:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="kjvql2Fd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727572AbfHPST6 (ORCPT ); Fri, 16 Aug 2019 14:19:58 -0400 Received: from mail-io1-f67.google.com ([209.85.166.67]:40285 "EHLO mail-io1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727516AbfHPST6 (ORCPT ); Fri, 16 Aug 2019 14:19:58 -0400 Received: by mail-io1-f67.google.com with SMTP id t6so8027686ios.7 for ; Fri, 16 Aug 2019 11:19:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=fnuMsmujra29dp1FTSHBcRawQgyoBfthqZjlSsqr0ro=; b=kjvql2Fd+K3tNtaX3xqbcP60tjRZd3ve9Avkm5DscmGcY4B4h+AO6NZ4n5M0JxHbK/ blGJ2jE7epeuYd18BqhU59gcABGrhJDbrTPms2fF72gauL7f11noPHGQRxopt1TlZlES jORwP7E1AFDebFCbl8y51+bg56Yt9ONkL0brycIKPoYl1s9AG/Ja8FlXOi7nKXKLTyjm 860oRbL2N0xnYPErgs8HaRwoQrjr+1JFGQZEnTE1lRY/elPjcV+vrSTx7a74X+eBO87t Q5uV+5Je5OCbdijJd6gTQ8VnRk3BSWSIGKLwW8rGO4PLsNAXVxu+5UTHVsIv7XLXiItA DS7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=fnuMsmujra29dp1FTSHBcRawQgyoBfthqZjlSsqr0ro=; b=Khf4Y9ZbdRqwsApuiR9CjVzBArCW6qW/NZWamEhgZO1ZT78207u2EUC7G/MfJnXpsg hNL2ckjwsfpGMJQ5PNGokTaUFedscxQ9qgeZ0IKJ6Rc/zSdad6c9ukRpAVzezSSWB1/d FxzGq6KwZb7i0sRYriv8jhpNvO1T7tWcdoul5NJrXNHixQDeu+gcMqbXD+itgsBbjcXQ /PUW53PHdhaDaX+1dMCmc5cif110GOS3kZJcjYb/3jJQrTMgHITvTEeplpKGXwC7DRGG i7TkGL1UR9SlzHnw4rXlBVSOEsiIK9hRhuFgrUQ7kEfFEkzXYecAD41s5fdQlJThbmnu eUjQ== X-Gm-Message-State: APjAAAXbWjA9/q6vJMJ5AUBMU+vedX7qNUtqc3IiFbm8/8SQyBXrWt6Q 5SKz646g/ZSDmqgDkzySSojcjTVBqAGc5iXg0k8k9LgaZtlYDw== X-Google-Smtp-Source: APXvYqwfU734wkK0YpcYpc0AOVf/v9+g+Q5CSYSz6+OfVjVVRrlUOQOiqK9kLJGsftekpgUa5W1sAkAr6zNKZZBB29o= X-Received: by 2002:a05:6638:348:: with SMTP id x8mr12561075jap.31.1565979597300; Fri, 16 Aug 2019 11:19:57 -0700 (PDT) MIME-Version: 1.0 References: <20190814070403.6588-1-weijiang.yang@intel.com> <20190814070403.6588-6-weijiang.yang@intel.com> <87a7cbapdw.fsf@vitty.brq.redhat.com> <20190815134329.GA11449@local-michael-cet-test> <20190815163844.GD27076@linux.intel.com> <20190816133130.GA14380@local-michael-cet-test.sh.intel.com> In-Reply-To: <20190816133130.GA14380@local-michael-cet-test.sh.intel.com> From: Jim Mattson Date: Fri, 16 Aug 2019 11:19:46 -0700 Message-ID: Subject: Re: [PATCH RESEND v4 5/9] KVM: VMX: Add init/set/get functions for SPP To: Yang Weijiang Cc: Sean Christopherson , Vitaly Kuznetsov , kvm list , LKML , "Michael S. Tsirkin" , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , yu.c.zhang@intel.com, alazar@bitdefender.com, Paolo Bonzini Content-Type: text/plain; charset="UTF-8" Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Fri, Aug 16, 2019 at 6:29 AM Yang Weijiang wrote: > Thanks Jim and Sean! Could we add a new flag in kvm to identify if nested VM is on > or off? That would make things easier. When VMLAUNCH is trapped, > set the flag, if VMXOFF is trapped, clear the flag. KVM_GET_NESTED_STATE has the requested information. If data.vmx.vmxon_pa is anything other than -1, then the vCPU is in VMX operation. If (flags & KVM_STATE_NESTED_GUEST_MODE), then L2 is active.