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=-3.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,PLING_QUERY,SPF_HELO_NONE, SPF_PASS 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 13C09C433E7 for ; Thu, 15 Oct 2020 03:45:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9B06B22257 for ; Thu, 15 Oct 2020 03:45:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kKMdDH+i" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729312AbgJODpZ (ORCPT ); Wed, 14 Oct 2020 23:45:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42188 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727281AbgJODpZ (ORCPT ); Wed, 14 Oct 2020 23:45:25 -0400 Received: from mail-lf1-x142.google.com (mail-lf1-x142.google.com [IPv6:2a00:1450:4864:20::142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C7744C061755 for ; Wed, 14 Oct 2020 20:45:23 -0700 (PDT) Received: by mail-lf1-x142.google.com with SMTP id b1so1840046lfp.11 for ; Wed, 14 Oct 2020 20:45:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=z9zMX2coYN8H3CBILNpr7q+Vk2fAdNTcRYoWO7ULwRE=; b=kKMdDH+imlskdTjp+gjVXY1DrKt1Ep3Ytjb9qBpCPjUyBhxbCRiecmIslucxehpO4n 94K6JKqf4UWSCahN3lwioeQ1xls6OR+ilsIPeQej9Otm8Zr6MrYAxTtSJwp0K6pzKYHU L2y1CMmLkLgDHlFIA/AZ9NpRnJW6tranwh6+AYlOSR2COC8/lGkWHPJJM8q7TPU7HfmW Pj+YaAK3TdiMtE7RrMsMD2MK0zu/h9FdyrISKIc7dH1knGMCNQVCCQu5+WskQsLcUxG/ /uAveQssjFvYZ2PW7294kGGKD89Mnw7fMO2Sgym2cJk8lQWa3ZcpqsVTe5NmNkbWpgWE k1MA== 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=z9zMX2coYN8H3CBILNpr7q+Vk2fAdNTcRYoWO7ULwRE=; b=bKyxEKdzTjugoJDR1DdOm0+hCwnR5/Q4peHnxwuIDkg9Izjh0saZlak0ZD+BJOifEQ BjXEOawNZpwCHfDOOWXWYf65YIBa3dKUnESG46w5sjaNUqQHPWc1vwmp5TmqGJzRYBpz VcxOgAz82FMAv7o1HldqxriJMSpjrDm7Kd2a08btpJGjc5SLTapc/0i0i1kHEjovwAHS Tme9Dglf3l1PfEyveX32/wCFJkdt460Vm2EpJyyANvvdlMj3E/ei1XApZI1XRJl4Lnzd B9MqyW2ApKzUE4I6B/aGE/dbOmMkS229iluRwz9DW/U7cffdb/SGC9yhcmbCZSNVf5HX YcLA== X-Gm-Message-State: AOAM533uqCZreFwYUPT4j2ELwhQj1n2om9mh4zIvP8RuH1xnwR+QpO2W cUqzCO/sJXmxaOAweHa5et4MbzWeQ7zPIcusnjU= X-Google-Smtp-Source: ABdhPJxmhGw0f35E0C3XKDWPhs9gxr7BD5N3ErbxT6FYWhPozjavL7xvKRkSdQMsQ7Mb2VXX/bDxA/I2LFN3YqzxYxM= X-Received: by 2002:a19:4bd4:: with SMTP id y203mr330362lfa.539.1602733522366; Wed, 14 Oct 2020 20:45:22 -0700 (PDT) MIME-Version: 1.0 References: <47ead258320536d00f9f32891da3810040875aff.camel@redhat.com> <20201012165428.GD26135@linux.intel.com> <20201013045245.GA11344@linux.intel.com> In-Reply-To: From: harry harry Date: Wed, 14 Oct 2020 23:45:02 -0400 Message-ID: Subject: Re: Why guest physical addresses are not the same as the corresponding host virtual addresses in QEMU/KVM? Thanks! To: Maxim Levitsky Cc: Paolo Bonzini , Sean Christopherson , qemu-devel@nongnu.org, mathieu.tarral@protonmail.com, stefanha@redhat.com, libvir-list@redhat.com, kvm@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hi Maxim, Thanks for your emphasis. It's much clearer. Best, Harry 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=-3.2 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,PLING_QUERY,SPF_HELO_NONE, SPF_PASS 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 7900CC433E7 for ; Thu, 15 Oct 2020 03:46:35 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A78D222245 for ; Thu, 15 Oct 2020 03:46:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kKMdDH+i" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A78D222245 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:39934 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kSuDp-0007MQ-QJ for qemu-devel@archiver.kernel.org; Wed, 14 Oct 2020 23:46:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53622) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kSuCk-0006Si-3P for qemu-devel@nongnu.org; Wed, 14 Oct 2020 23:45:26 -0400 Received: from mail-lf1-x144.google.com ([2a00:1450:4864:20::144]:46834) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kSuCi-0004Am-Hj for qemu-devel@nongnu.org; Wed, 14 Oct 2020 23:45:25 -0400 Received: by mail-lf1-x144.google.com with SMTP id v6so1828958lfa.13 for ; Wed, 14 Oct 2020 20:45:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=z9zMX2coYN8H3CBILNpr7q+Vk2fAdNTcRYoWO7ULwRE=; b=kKMdDH+imlskdTjp+gjVXY1DrKt1Ep3Ytjb9qBpCPjUyBhxbCRiecmIslucxehpO4n 94K6JKqf4UWSCahN3lwioeQ1xls6OR+ilsIPeQej9Otm8Zr6MrYAxTtSJwp0K6pzKYHU L2y1CMmLkLgDHlFIA/AZ9NpRnJW6tranwh6+AYlOSR2COC8/lGkWHPJJM8q7TPU7HfmW Pj+YaAK3TdiMtE7RrMsMD2MK0zu/h9FdyrISKIc7dH1knGMCNQVCCQu5+WskQsLcUxG/ /uAveQssjFvYZ2PW7294kGGKD89Mnw7fMO2Sgym2cJk8lQWa3ZcpqsVTe5NmNkbWpgWE k1MA== 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=z9zMX2coYN8H3CBILNpr7q+Vk2fAdNTcRYoWO7ULwRE=; b=r8Ugc69FplhMs9Mje1SRQZc1JNtpKz/LPe1L5bFDKtasgQ9ZNJ2rj49gTyhiSVZ2KZ mVFHkoaOJVBC7KlLm+Dln7oFmBBX02Xj+US2OYEAO+wZaYQMAWklXU7rKHHX1RzU8oLW SRLm/nlXmpUFqx/F4taMPY1b35sKxOn6VJiF9eT1CYxwVOG5DSB2g3KvDcl1zI2rqx2H BeLYrGRrxKz9Zr+WIumXTJ8wvSUamOrNw9kQioHYSogSWjPMoNvjyxAG8oE6nlmgfSs6 Xs2FoB2eDLFtUCcX31qsCzqoiVQ/SBbqdsV5LUqVrtuxsWGMCL6o2qFzX2GxJi0HlHFD Xu/Q== X-Gm-Message-State: AOAM533t1k17M8Ys/Adbt5PI75wqOt+7noyEpHexfFJZDwCFsJmkM3F4 Fc1m2Dzg87qNdf2r4qdeRlGZ/Ma/atSggItDvTs= X-Google-Smtp-Source: ABdhPJxmhGw0f35E0C3XKDWPhs9gxr7BD5N3ErbxT6FYWhPozjavL7xvKRkSdQMsQ7Mb2VXX/bDxA/I2LFN3YqzxYxM= X-Received: by 2002:a19:4bd4:: with SMTP id y203mr330362lfa.539.1602733522366; Wed, 14 Oct 2020 20:45:22 -0700 (PDT) MIME-Version: 1.0 References: <47ead258320536d00f9f32891da3810040875aff.camel@redhat.com> <20201012165428.GD26135@linux.intel.com> <20201013045245.GA11344@linux.intel.com> In-Reply-To: From: harry harry Date: Wed, 14 Oct 2020 23:45:02 -0400 Message-ID: Subject: Re: Why guest physical addresses are not the same as the corresponding host virtual addresses in QEMU/KVM? Thanks! To: Maxim Levitsky Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2a00:1450:4864:20::144; envelope-from=hiharryharryharry@gmail.com; helo=mail-lf1-x144.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, PLING_QUERY=0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm@vger.kernel.org, libvir-list@redhat.com, qemu-devel@nongnu.org, Sean Christopherson , mathieu.tarral@protonmail.com, stefanha@redhat.com, Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi Maxim, Thanks for your emphasis. It's much clearer. Best, Harry