Received: by 10.223.176.46 with SMTP id f43csp2645373wra; Mon, 22 Jan 2018 00:47:23 -0800 (PST) X-Google-Smtp-Source: AH8x227mSK8z9Xm2byk67HCV3JILg4naS6RmmV2lNO7F1/AkTSLQYbn2Js8tYsmAVFWbIgrRCIus X-Received: by 10.99.114.23 with SMTP id n23mr6674270pgc.407.1516610843311; Mon, 22 Jan 2018 00:47:23 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1516610843; cv=none; d=google.com; s=arc-20160816; b=WutKEyEjLcyJyGRoAHNSnWOKWc9zEPKB8ku+rSgyvZNDUqnY1pRyXzClWK1q7r+oJp RTUYvaVvrp4Y6Go9nbEILvecOmntqsqWidjS3Rrw55MvmIyqxjhpwydBxVm+GdhnPX1W yhQUjPoFyF1nRD6wekpJv0ekNJcjyDgX97cCLkQcHvB6jrF1cRb51PW3saUEHi2n76Tq L1T0MbhxqrjECJwTVAM3phTxakkCQ/TbEUGn/oirfJcbXGEqFhTuOsJ7TfWEAgMkaXHv bW9/OJ0w8Fv/QokB0Titq1toUHs5HW8JWWD3P8rAH8o1QOSP3eZtOeOxeHXXlw5O4E+l hd6Q== 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=sLK0EaZXRoG/2RE9PrJKbA6zHQgqOBEM9SOgc645qJE=; b=St2n0VGELPMz9G00ioqBsCnCCynqNdUVNgf/8/kkbzAsjm/ek9+Sbyftw4Wm39EmT2 wMoaSyqWjsAa+4S+5Xisnp99NkRnj56ThpIAwLxI80ZS26Zr489UUmWqZLUeDPd88EF+ c6Dyu1dzDL+yAyvHzH5/FTQg3C6OMDXasJKIaPhACidldzIrI5+iho6Nzaa0IPhKiaOD jROJPQwKdT/wt6Tlg4X2qdS1b32FkzMVNQir9T5/ScGaE2gZ9LsOPE/s8zx1/rhylvc8 lwoyEDKAIEhZJf/B9dSNjFyWJffG1/9EzY8F9b4yqJ5CM8Wm8msR9aHL1ginWy62p3qp bzIw== 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 q78si15226696pfi.268.2018.01.22.00.47.08; Mon, 22 Jan 2018 00:47:23 -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 S1751956AbeAVIm6 (ORCPT + 99 others); Mon, 22 Jan 2018 03:42:58 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:59116 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751933AbeAVImy (ORCPT ); Mon, 22 Jan 2018 03:42:54 -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 737F4F17; Mon, 22 Jan 2018 08:42:53 +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 4.4 52/53] x86/pti: Document fix wrong index Date: Mon, 22 Jan 2018 09:40:44 +0100 Message-Id: <20180122083912.880123497@linuxfoundation.org> X-Mailer: git-send-email 2.16.0 In-Reply-To: <20180122083910.299610926@linuxfoundation.org> References: <20180122083910.299610926@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 4.4-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