Received: by 2002:ac0:946b:0:0:0:0:0 with SMTP id j40csp3751884imj; Tue, 12 Feb 2019 04:08:48 -0800 (PST) X-Google-Smtp-Source: AHgI3IYHQgrUoVBQ8TVu6T0fRpIRFElDJUxAM2Ny6K8wVIlkkoWPBozFigstEnhfbq3ZyNxYrN2e X-Received: by 2002:a65:41c2:: with SMTP id b2mr3331061pgq.67.1549973327843; Tue, 12 Feb 2019 04:08:47 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1549973327; cv=none; d=google.com; s=arc-20160816; b=OVNsFaS8suGDKxDmdwbNMXVM0EhJ7UkdsPm9D1j4EXCYfpRYRC+3p22qN3wUF20GOy 1Vv8lUgMVk2F8V5rIyO1wWCUYnNo0WHoPHqPdnUSCWI4e0MqKAae201FMOK7X5HqkNyG jtugQnYAhzDHfVgNRgFC1zvMc28Mlzcc5dPurkbWTdwH0t/NrxljT28CURNpIqYc5WeT KrNDdscDhPAOmREHligaSdZk0wbKzXsp4weQvoYKJfYhmKNW8RZvnSqTml2HpIDel/6H 5gViH9TIdTPNG6ZW33DmkY0QjpTiNK181uQRkdXdj3HJegS0QGlX5qewuQq0s57WjLa6 Qxvg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=cLimgfl/vmlY/emxT2uP48IuKhsZEZxL/WHiVu2YVeE=; b=gxoL5KptQos1gmCHgoYIU8Lqxdq9bR1tNkFcXQbxaMAbaKH7yF2srSDQhAMjy9U9ar ZKSv0Ob7GQChAcBnnBMb+crq+QH2VmUY6zzQJ8yx/L3ObSpGvGR1mppx/OIiUB4EhQTc jKyVhAyK+/5lRPC+0Kk/EZPKygcCVjAQno2csFWHp9OATkrE0VaBO6C9UI+1XBgnm1js 86Et9R7siPiKf8lnDbdwGO364ZCBh1QwKzSiveMkFkSftKXpA/txyRTQeJk52jnBp8Wd s98soO6JSrn3muTn6SYSPLqCThbelARYHPLL9RcRr2ZIHGhDOnYHBL9vU4424nXzqvjs 9gnQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h191si11592775pgc.302.2019.02.12.04.08.31; Tue, 12 Feb 2019 04:08:47 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729028AbfBLMAU (ORCPT + 99 others); Tue, 12 Feb 2019 07:00:20 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:43154 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728041AbfBLMAT (ORCPT ); Tue, 12 Feb 2019 07:00:19 -0500 Received: from [5.158.153.52] (helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1gtWjN-0001sk-Oa; Tue, 12 Feb 2019 13:00:06 +0100 Date: Tue, 12 Feb 2019 13:00:04 +0100 (CET) From: Thomas Gleixner To: Tim Chen cc: Jiri Kosina , Linus Torvalds , Tom Lendacky , Ingo Molnar , Peter Zijlstra , Josh Poimboeuf , Andrea Arcangeli , David Woodhouse , Andi Kleen , Dave Hansen , Asit Mallick , Arjan van de Ven , Jon Masters , Waiman Long , Greg KH , Borislav Petkov , LKML , x86@kernel.org, stable@vger.kernel.org, Jonathan Corbet Subject: Re: [PATCH] x86/speculation: Add document to describe Spectre and its mitigations In-Reply-To: Message-ID: References: <64efec3fda40c0758601bf9b1480a35d76d3c487.1545413988.git.tim.c.chen@linux.intel.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Tim, On Wed, 30 Jan 2019, Thomas Gleixner wrote: > Also please follow the L1TF documentation which explains for each of the > mitigation modes which kind of attacks are prevented and which holes > remain. > > It's a good start but far from where it should be. what's the state of this? Thanks, tglx