From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3441149-1520826602-2-17636212263348086139 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='uk', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1520826601; b=fXi7hC1nIVlvZQ7cJDM8x5OpQPHxh9LCDk6Jo13KFK+H4TV FkzpQeIWD+SRikQcpm0xvi1mkauyQF89cGdLZ5ztVftiIgUx9MZ9dem9eqbcOhUK Ri/RUkFx/8d8Nj38Q+gQHmKD2X0I/AnU1wo14HLpz2HdcTM9vhn2ZMGmPC0eKuIV 8eYQSnYgij85ceEzzmwTIDSiONRhW3AdTND7DKENBKfgvn7ZFrtdu1qkA/xFkGsH eR0Z+ksWrlyLWVhExtosn2m+ACde2emKqngJoFRJWRPO6kFTpb/3XTREAJAXRWBq t8it1MITKxFDOmi68EleW+vy2c0Nn/+5vrWZA5A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:content-transfer-encoding :mime-version:from:to:cc:date:message-id:subject:in-reply-to :sender:list-id; s=arctest; t=1520826601; bh=kF86RQGyD8uWHoM4dIK /8ofpFLQVskGXUSw83ozcGj0=; b=V1dsOm3yy3ptGDqXMR3SvWlCJyMEg3XhmRO hrbrYLo9xXZQ7WThcQi1LgFnfkNV0RQXmViTmdA6sHxoO9EpUMT/4Xa3fQdJGuO3 jCXksAy35HK0N8JSIRbAepmS+3VtH6DuPzi+wGwqacRILpMZNIeiTGv+Muo4GO3X 9McEC6ApE1KtV9J5Pyw0rheJrY4Eagjb0Yv/4Rw538IMRH5dIvs0bCa5AP8J1gOo 2cp14b8EdEYa6/+Mq4PPuvd50e5lgyHV50vGYtUsDjOENwemGC8vb5LS2ejCeCV9 dBZ7V7HHPcLcNOYdpGKEOJ3ZpcOqBG3ZEy49Zm7LMdSt2tltNCg== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=decadent.org.uk; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-category=clean score=0 state=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=decadent.org.uk header.result=pass header_is_org_domain=yes Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=decadent.org.uk; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-category=clean score=0 state=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=decadent.org.uk header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932889AbeCLDsw (ORCPT ); Sun, 11 Mar 2018 23:48:52 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:41078 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932615AbeCLDHl (ORCPT ); Sun, 11 Mar 2018 23:07:41 -0400 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "zhenwei.pi" , "Thomas Gleixner" , dave.hansen@linux.intel.com Date: Mon, 12 Mar 2018 03:03:34 +0000 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.2 072/104] x86/pti: Document fix wrong index In-Reply-To: X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 3.2.101-rc1 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: Ben Hutchings --- 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