From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.9 required=5.0 tests=DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 7FE357D043 for ; Thu, 7 Jun 2018 18:49:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932377AbeFGStO (ORCPT ); Thu, 7 Jun 2018 14:49:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:36738 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932295AbeFGStN (ORCPT ); Thu, 7 Jun 2018 14:49:13 -0400 Received: from mail-wr0-f176.google.com (mail-wr0-f176.google.com [209.85.128.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2ECEE208A1 for ; Thu, 7 Jun 2018 18:49:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1528397353; bh=crbJkwTStLUzTuNVU01tdjm1kf88uyd/+FByIXqhZu0=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=gtrF+tr9mtgO+zr88VaZ6BT8kt3AaVa7gphT4iuEFeJp00TBxtk6D44BsMuImftsc d1soH5MA1tI1EaR5/mg8HyeTT9TS0d4lHoXhc9Y3QBw4sF4Zk5LFARZ1wJe3/FAf6S EcixHyvokfTTSW5PfaN7I14raG8S12jVMfs3418M= Received: by mail-wr0-f176.google.com with SMTP id a12-v6so10893553wro.1 for ; Thu, 07 Jun 2018 11:49:13 -0700 (PDT) X-Gm-Message-State: APt69E0yq9NS4amQx/+Vt5fwxQ9lOH5QE60rlMjyKA4r018ctNViNNym YQmoJSSEHYKshTzmSGw0Xn9vvBha20DNTMAMsgY/Sg== X-Google-Smtp-Source: ADUXVKKcssBNw43uWQR7fRpxR81LkXSciyBwdGCavGt63/lG6zvaBnoj20T0EOMxRFF51K3ukLayBjPH27QnF7fYMx4= X-Received: by 2002:adf:e084:: with SMTP id c4-v6mr2563276wri.199.1528397351735; Thu, 07 Jun 2018 11:49:11 -0700 (PDT) MIME-Version: 1.0 References: <20180607143807.3611-1-yu-cheng.yu@intel.com> <20180607143807.3611-9-yu-cheng.yu@intel.com> In-Reply-To: <20180607143807.3611-9-yu-cheng.yu@intel.com> From: Andy Lutomirski Date: Thu, 7 Jun 2018 11:48:59 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 08/10] mm: Prevent mremap of shadow stack To: Yu-cheng Yu Cc: LKML , linux-doc@vger.kernel.org, Linux-MM , linux-arch , X86 ML , "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , "H. J. Lu" , "Shanbhogue, Vedvyas" , "Ravi V. Shankar" , Dave Hansen , Jonathan Corbet , Oleg Nesterov , Arnd Bergmann , mike.kravetz@oracle.com Content-Type: text/plain; charset="UTF-8" Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Thu, Jun 7, 2018 at 7:41 AM Yu-cheng Yu wrote: > > Signed-off-by: Yu-cheng Yu Please justify. This seems actively harmful to me. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html