Received: by 2002:ac0:8845:0:0:0:0:0 with SMTP id g63csp1521271img; Wed, 27 Feb 2019 00:21:14 -0800 (PST) X-Google-Smtp-Source: AHgI3IbxjOy5N5aK6uA8wjd77tjFwl0Vp4hZLwf+2jBaFANO+fpyCuUWohnlLkLwCT4DRBIecsY3 X-Received: by 2002:a63:e952:: with SMTP id q18mr1795011pgj.156.1551255674055; Wed, 27 Feb 2019 00:21:14 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1551255674; cv=none; d=google.com; s=arc-20160816; b=ZHtSTMV9Si6gtX2pRJvlSho6/h5mEIiNNVgKVf+3f9uEpim19n6HMIqC9fU8daJ8O6 t/semsx8m1cYBLT6KIbj53erm6gJXf2CQGhUbO7Z7aKeZJHmeyVKltC1mERZFPlf+Huo Cyje0p3yCOGgT/8nqzW+7JoIaaq1Y0M/ctGncaO+yd4PjtUPQRBiZuVdXqpH+8Ul3PUB /ChrsjS4mtf48ILw6y2FjV3ltcp7bgV1iwgFPkvU4vDXlRwEkkT1HGnr8ef20arfr7QT dgnhjRwl7dOZb6XlUzY5xj9WoGeDk6md739IRg6UtvX2jvZYO6MobTxH00utIAkYNYYM +HjA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=5idpe6MqiVBf7gZXb7Ff7XduBGgydtMTvDCvVi6N0j0=; b=EgsZJAMxxVAyJlTEqxZT62+pqnqhiCA3O7B12CulvKO0YMGtxIWm3utgW5ePbk1KB2 UtxDQnQA1dJGeG1lrNplbVvlywJHBzFKAloDF2v29Z9igss2NNF5iqfPBELnAeOFzHut 228zmZYOWKfIXDeqoCybqRWmZChhG0WdO9x/Xmm34sZ6qbA/o0WvcLkSZYM6EaIybGIl 1WGZD0e8SKDjVkDVzIw95mkxdii8p99mHULOXJrVK7Vdj6tBCIeWQpMnU9lcWTqnB/rB wZzchfSxD1H2D9B+ETi0pexkFlh34UUjqac57r/Gh6yDdM62PE0bI9xCPIsy1HxtWhfS q4/w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=S0dyRZ3l; 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 n18si10438958pfe.166.2019.02.27.00.20.58; Wed, 27 Feb 2019 00:21:14 -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; dkim=pass header.i=@kernel.org header.s=default header.b=S0dyRZ3l; 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 S1729586AbfB0IUf (ORCPT + 99 others); Wed, 27 Feb 2019 03:20:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:55100 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726791AbfB0IUf (ORCPT ); Wed, 27 Feb 2019 03:20:35 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A2F31218E0; Wed, 27 Feb 2019 08:20:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551255635; bh=5idpe6MqiVBf7gZXb7Ff7XduBGgydtMTvDCvVi6N0j0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=S0dyRZ3lTdSh1VhGCefRk7S4o4t8h067lGu4zd+Maw5H8wgjyQ7f0LOu0I22xqyyi H3B4sbuW4doS+XIIg5hS2FCXekqdAMSmog7rKYVKeijDeC4OfhOCXwFP7ARqkx6UZo GSiTIjG4J2DzRn1KnLS6rTN7l37axL0jzlEuk5Bc= Date: Wed, 27 Feb 2019 09:20:32 +0100 From: Greg KH To: Kees Cook Cc: Thomas Gleixner , Peter Zijlstra , Jann Horn , Sean Christopherson , Dominik Brodowski , Kernel Hardening , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] x86/asm: More pinning Message-ID: <20190227082032.GA22049@kroah.com> References: <20190226233647.28547-1-keescook@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190226233647.28547-1-keescook@chromium.org> User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 26, 2019 at 03:36:44PM -0800, Kees Cook wrote: > This adds CR0 pinning (for WP), and cleans up the CR4 pin to avoid > taking an exception from WARN before fixing up the desired pin. > Additionally adds lkdtm test (which depends on the CR4 patch, otherwise > I'd send it via Greg's tree). No objection from me to route around me, please do! greg k-h