Received: by 2002:ac0:a5b6:0:0:0:0:0 with SMTP id m51-v6csp65017imm; Thu, 7 Jun 2018 13:55:35 -0700 (PDT) X-Google-Smtp-Source: ADUXVKK65H+D7sxrkXSSFBSbPoGPiWTO/po7GfAVl+02jY/N2dceEILxwl8H2aZUyJW2Z0bAYUa7 X-Received: by 2002:a62:494f:: with SMTP id w76-v6mr3156067pfa.152.1528404935453; Thu, 07 Jun 2018 13:55:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1528404935; cv=none; d=google.com; s=arc-20160816; b=yaA2+IgO7yEPglBngJS0tp4bLQIp6YL2RlEqOpmiiLJ4BH+PmPvpSOndjJ/PV14q9k dx5y7bC0wHbZEpTutBkF/nWlThKrYk+rZWgSdbFex848a1PYpPjt3NGd0lpxk2n5SStt o+g6HM+SeWnJ2ytVH9jD7Q864TRyT6UuLd98yc7WurJ7vCzJP6+Mun1Phan2C2ffDL2f NCJucHIRVKK83z5IbkyHVp59sfYEWBMHZchIPiAVzkUYwOSIUx68H1ueEBIlDaHeWX0M p/Jys3jGFufrwL2d1sGTP2l7FXb6UZinV2jEzZWHXVGD/G0CXRpcxXIOOohYjzIhgHSw n6PQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature :arc-authentication-results; bh=gZqvDyTiIXVTFOWHjmKSy3cvdqggFCpFqWhSS5zfKGk=; b=tJxtdlBg/h3//0zOf8SbeN06aoytWipgxEdc63teimcFD4t3TRjV+syT64FYk5sCV1 kCGtt6uqcnfdknD5IuxFNkicumzcm8OOwyCrBac4wDz0MoYpO3XBiyvtjng46sbEnotk nE6prmVXOLTvnrcFydUAmDmEZHFgssFnrqtBV80irl2/V7qBvosPH04HvYB7Flod+Ir0 cO/HlmTKh2DRzSJibxikC+IqlR+NYwAjYQEyPxbGqv5tNiixSm2SJ1A39RNennw/uTYT fYhxdKNgQhhq8N490pHkNmMIrWaSpjgGYeRBCctO3jfmu+7t4mTG4KDuJFEsFJHj0Fpk 1vLQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=g0FKEzr9; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id o3-v6si7328880pgc.381.2018.06.07.13.55.21; Thu, 07 Jun 2018 13:55:35 -0700 (PDT) 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=g0FKEzr9; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932604AbeFGUyb (ORCPT + 99 others); Thu, 7 Jun 2018 16:54:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:41214 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932516AbeFGUya (ORCPT ); Thu, 7 Jun 2018 16:54:30 -0400 Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com [74.125.82.51]) (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 8C0D7208A0 for ; Thu, 7 Jun 2018 20:54:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1528404869; bh=gZqvDyTiIXVTFOWHjmKSy3cvdqggFCpFqWhSS5zfKGk=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=g0FKEzr9SXgKkm8aOaTmcEU8w+QVKODvIIS6eQx9qVbmyd6jq84GTBiK+Po+gtiMh Qa05Tnd2vJ6t4H3Hp9bst1lhcvPS0uUODZEduFRw1OAoKGq83Vsak/FIHtnueddpkK FF9/A2aFMVysHqh5+u2IM5vISOF/iiWNOUFfm+ZE= Received: by mail-wm0-f51.google.com with SMTP id n5-v6so21745013wmc.5 for ; Thu, 07 Jun 2018 13:54:29 -0700 (PDT) X-Gm-Message-State: APt69E2GdCrAALWbxp+/q5qSolhz8F08nkAsrYJZJXx5l/NhcOKSxG3L R7CGgEMDZIKq/t8dKxjVPUm5vw0bt+hQmYHcpDfO7A== X-Received: by 2002:a1c:b947:: with SMTP id j68-v6mr2479649wmf.144.1528404868084; Thu, 07 Jun 2018 13:54:28 -0700 (PDT) MIME-Version: 1.0 References: <20180607143807.3611-1-yu-cheng.yu@intel.com> <20180607143807.3611-10-yu-cheng.yu@intel.com> In-Reply-To: <20180607143807.3611-10-yu-cheng.yu@intel.com> From: Andy Lutomirski Date: Thu, 7 Jun 2018 13:54:16 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 09/10] mm: Prevent madvise from changing 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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 7, 2018 at 7:41 AM Yu-cheng Yu wrote: > > Signed-off-by: Yu-cheng Yu Seems reasonable to me.