Received: by 10.223.176.46 with SMTP id f43csp2675477wra; Mon, 22 Jan 2018 01:22:16 -0800 (PST) X-Google-Smtp-Source: AH8x227riG2ccFOPJUfe4qgR1YW+6qANnVfsRJECgUI+m7azgT0NOp2FWTxgVFJh+f6s0T/edZNi X-Received: by 2002:a17:902:7c98:: with SMTP id y24-v6mr3030010pll.305.1516612936116; Mon, 22 Jan 2018 01:22:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1516612936; cv=none; d=google.com; s=arc-20160816; b=L/EnU/AqElqXB7IOOGuuethDpHV3J9IhDQl1YDdqoMfXzDWSTa6jAJoSQH35dgviVi toSqzgX9XV1K4Nsj3qck3XnL6APUw3bIhVoQJLfIf5h3WkIGS0ZahQ8dCy35pihZkqZ1 bzUPrJWWfcj64grNIMsakSrOSuhATxod286YQwKDlDhL6AW4grqXQ6TFvVN5vhlpzzzg ha+t2a5zH3lpetEmzmYZ82J8rN6gFzmAlhB8JFQKL+XjJxe7J5vEiLp3vMLYDhqDvvjx 5yv64AiP+EkBGOBBVCuX54NHcVPK8dnwnDC0lunoT1VoNj3T5mN3tSdC8oVe9BY4s/vT +Jvw== 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=Znc+qE41exBM02ZlyoWtKSjSwuk/Neqz7hkVMr5ij2k=; b=tsUBZrsKGupt1NqsVHAoqueMGWcLFZifFw34uEQodjM2Pt+kbm3lkNMLYKo7nKdQ2A 60MkJAPY7PrqxNtXw/Dk9rEP+COWedvqpFTxMAihb+2sq/tgxnN2WSnQ42aO9agskixh vm+UM4+zRxOvNuPhvAmy1mUa/NCyTcmkgPeco8zf8mhMzNZMLnwfkC8Mv9eJsNpPrHcz HoG5c+GzDr2GhOCW4k4FA064sgTU72b+oqBql810eDD+/FrFydvURAAJvT0ImUroUYHA QNumvXOmvX/nyaDYi6P2OyWJUBYAuyqI67cxyOKxBXP3gzyFWpVdaxaCOrF2VVfaEilx UPrg== 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 h132si13501985pgc.309.2018.01.22.01.22.02; Mon, 22 Jan 2018 01:22:16 -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 S1751727AbeAVJVK (ORCPT + 99 others); Mon, 22 Jan 2018 04:21:10 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:60710 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751882AbeAVIt2 (ORCPT ); Mon, 22 Jan 2018 03:49:28 -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 7404FECB; Mon, 22 Jan 2018 08:49:27 +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 4.9 46/47] x86/pti: Document fix wrong index Date: Mon, 22 Jan 2018 09:45:57 +0100 Message-Id: <20180122083929.034285706@linuxfoundation.org> X-Mailer: git-send-email 2.16.0 In-Reply-To: <20180122083925.568134913@linuxfoundation.org> References: <20180122083925.568134913@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 4.9-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