Received: by 10.223.176.46 with SMTP id f43csp2654133wra; Mon, 22 Jan 2018 00:59:11 -0800 (PST) X-Google-Smtp-Source: AH8x22716iLLMLj+79ZFeTiMBXyVyeiElwdbFt1PIWwTdmmCPZL8O7l2G+NTh36Oj+0clv9uuMuq X-Received: by 10.99.177.76 with SMTP id g12mr6900382pgp.269.1516611551333; Mon, 22 Jan 2018 00:59:11 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1516611551; cv=none; d=google.com; s=arc-20160816; b=D8DhwFqSzpdr/Bu0J7kof8PU3Z6H9quExPtwGej7nU+KgS8KN+cZYSmOXVjBVO0bcm 3dWPG33grXlurODAHZYtdwCpF77K6y0qtcB2iYDLfUdM5UtQ6mq7yvM259Kdk7eptWZh TucLyaPOi6gBrSzdwBBmftV1jGHNsQO45lG4cCSGLFcUT9r/Vw/QSQ/CxyZT8wqDV5ix 1DGh4X3GVNNlS8nOb8NE90hI67nQfwF4lyBcK0HFulOrjotnSQLKe5ZIhIGtOtj1VKQA Smw4yM6MqXEuo/zDwllxxhnvvd6cFqJ31Hfcn9tnSJgpAJaOulUP4sN5r2iMt4M33RTQ bcpg== 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 :in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=JasYvU3Zoh2r0tFO80C7HpTEvXn3fZn7gAYn5eL88c0=; b=0Wf3yUo0jfHcowsvBTngSXSRQCc7rHWmKA7K8m2xnx/qiW92OU3ks/cp4jWtNbXszX OxVmAhPFepSkWEvVOVc6UjmifEzwYpEM5HLkMkljGLorq3ureG7wD8oUJOm/bOG9SAtQ jB1MXYUtP08nWAtkj9wC4rnDx2LWVGkJFfcQfrBTGwUxwfGKDeC9YWut0/I5cE6Q1Qia YoDJc79xFjtjpdiDHXUdRYB+ESOXUw7Uf5X9kRCea7Nct52zIDE2s/CTVYhft1K+hDyo FEj5gzg12ms3V7/RtYYjVyazazj8rsbH66Cqq28kLl5/dWOrxjQX+AkxqNVU3Q1ykg2a znuA== 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 o4si11597721pgf.828.2018.01.22.00.58.57; Mon, 22 Jan 2018 00:59:11 -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 S1753794AbeAVIy2 (ORCPT + 99 others); Mon, 22 Jan 2018 03:54:28 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:34262 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932166AbeAVIy0 (ORCPT ); Mon, 22 Jan 2018 03:54:26 -0500 Received: from localhost (LFbn-1-12258-90.w90-92.abo.wanadoo.fr [90.92.71.90]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id DC9B7F2B; Mon, 22 Jan 2018 08:54:25 +0000 (UTC) From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "zhenwei.pi" , Thomas Gleixner , dave.hansen@linux.intel.com Subject: [PATCH 4.14 85/89] x86/pti: Document fix wrong index Date: Mon, 22 Jan 2018 09:46:05 +0100 Message-Id: <20180122084003.019776817@linuxfoundation.org> X-Mailer: git-send-email 2.16.0 In-Reply-To: <20180122083954.683903493@linuxfoundation.org> References: <20180122083954.683903493@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 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 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: zhenwei.pi commit 98f0fceec7f84d80bc053e49e596088573086421 upstream. In section <2. Runtime Cost>, fix wrong index. Signed-off-by: zhenwei.pi Signed-off-by: Thomas Gleixner Cc: dave.hansen@linux.intel.com Link: https://lkml.kernel.org/r/1516237492-27739-1-git-send-email-zhenwei.pi@youruncloud.com Signed-off-by: Greg Kroah-Hartman --- Documentation/x86/pti.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/Documentation/x86/pti.txt +++ b/Documentation/x86/pti.txt @@ -78,7 +78,7 @@ this protection comes at a cost: non-PTI SYSCALL entry code, so requires mapping fewer things into the userspace page tables. The downside is that stacks must be switched at entry time. - d. Global pages are disabled for all kernel structures not + c. Global pages are disabled for all kernel structures not mapped into both kernel and userspace page tables. This feature of the MMU allows different processes to share TLB entries mapping the kernel. Losing the feature means more