Received: by 2002:a05:6a10:6744:0:0:0:0 with SMTP id w4csp4689781pxu; Tue, 13 Oct 2020 05:02:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwov9pWuyIhJz8694lVvjLgIqYfcJDRuR+kwKHhDl8xt4wD/8L6hvDBCD9Ge6NSGajakHSI X-Received: by 2002:adf:e589:: with SMTP id l9mr9260591wrm.110.1602590535676; Tue, 13 Oct 2020 05:02:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1602590535; cv=none; d=google.com; s=arc-20160816; b=HCcjTLVuwzeAI6YVO3ifNrk/od1ozOsXbUSdIuIBQhR7+mUXA03P6fBnVKghEaXAxE soamX19a5AvWPBFTaKlSGyNu1PAcT2efrjI/nF4NhgqoDK4bnThbIhbCY3yoWA70jXbk rg2rEz3i+HCBb4061fiOTG8C1/iN2o1cR3dSvjUhy/cRTUK6JkvZ38gWY3bpx5AB7vnI 9uhaD6zigYWknU5HzQXF/Mgdw7nmFBUsnBpuOyD2DGxXywak1pCUY3uww0ZgmFLlg+l6 Wt8P3bvek5V06Aetn/FncNCe2/aVn7hDSZJufakyjGemdLaH07F0kQGDq42e6KDif43B 4KHQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:ironport-sdr :ironport-sdr; bh=O0gUdKv3W9dXpK8Fqg3KPXZq0qNENuUS2QVfkciAjLg=; b=YpujfanSZ+JRbtQqVBBL9xW0i7iC5173+g3o+yODmK3SJ+2N5l0dJYmONEeeIdgtEy l7x+7G41SInJjRcv1bFtvZr1XlDQyZkVA6IzQYXoijE7lNHxYuh1eCKectR25rsiKpuC F7r5KO+X23jOm1CzTnOIrIJj6aMSqGhFjJArz/BX0QGdOUE2R1slTi3NAAgtu7GCnM7D 4ZXhoYGLn4xGCcVLx7IwRp1xRfOf8is5JP3GO9ry58R34KgFJTfvLuN/9adjQvspGvIy MYv3kZKf3kdwhZzagq+9rvmYHwb/hq6v0NqHpMdjbaeL7A0gqcm7keZvAnx4Y9KIflQw iT2A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id dc24si340514edb.508.2020.10.13.05.01.52; Tue, 13 Oct 2020 05:02:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404124AbgJMJMe (ORCPT + 99 others); Tue, 13 Oct 2020 05:12:34 -0400 Received: from mga18.intel.com ([134.134.136.126]:47413 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403911AbgJMJMe (ORCPT ); Tue, 13 Oct 2020 05:12:34 -0400 IronPort-SDR: 1neVcpG+YCuKRc+8htWNBdEEoLibNbWJDOTj7nMbEtNIqSqGDBf1QCGxV2GjLkyNsdRxOpcYWV fiXVZtfN7iXA== X-IronPort-AV: E=McAfee;i="6000,8403,9772"; a="153709412" X-IronPort-AV: E=Sophos;i="5.77,369,1596524400"; d="scan'208";a="153709412" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2020 02:12:33 -0700 IronPort-SDR: qgEsupmK3uDMcY42ObeGZ2zjSy4ToffFCnjJDk+dxCRt4lhp2grZ8zy9j2Kntz0Z32XrtzASRh FhhVcRUjG3rQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,369,1596524400"; d="scan'208";a="299544513" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga008.fm.intel.com with ESMTP; 13 Oct 2020 02:12:29 -0700 Received: by black.fi.intel.com (Postfix, from userid 1000) id E984D3A1; Tue, 13 Oct 2020 12:12:28 +0300 (EEST) Date: Tue, 13 Oct 2020 12:12:28 +0300 From: "Kirill A. Shutemov" To: Borislav Petkov Cc: Arvind Sankar , x86@kernel.org, Joerg Roedel , linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86/boot/64: Initialize 5-level paging variables earlier Message-ID: <20201013091228.tzklrsjvo4tvb4ej@black.fi.intel.com> References: <20201008191623.2881677-1-nivedita@alum.mit.edu> <20201010191110.4060905-1-nivedita@alum.mit.edu> <20201010192624.GA4062867@rani.riverdale.lan> <20201012140830.vrc25x2gwo7yo4kn@black.fi.intel.com> <20201012153501.GA559681@rani.riverdale.lan> <20201013081117.GA28215@zn.tnic> <20201013082047.ifigo5hua2qdrv75@black.fi.intel.com> <20201013083358.GB28215@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201013083358.GB28215@zn.tnic> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 13, 2020 at 10:33:58AM +0200, Borislav Petkov wrote: > On Tue, Oct 13, 2020 at 11:20:47AM +0300, Kirill A. Shutemov wrote: > > With TCG or KVM? I use -machine "type=q35,accel=tcg". > > Thx, that triggered it - it was KVM before. > > Btw, are 5level boxes shipping already or not yet? Not yet. > Because I've not seen one yet. If you have access to the hw, I'd > appreciate it if you could test Arvind's patch ontop of > > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=x86/seves > > which does that early pagetable rework. Okay, will do. -- Kirill A. Shutemov