From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753458AbeARBFB (ORCPT ); Wed, 17 Jan 2018 20:05:01 -0500 Received: from out3140-157.mail.aliyun.com ([42.120.140.157]:53899 "EHLO out3140-157.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752294AbeARBFA (ORCPT ); Wed, 17 Jan 2018 20:05:00 -0500 X-Alimail-AntiSpam: AC=CONTINUE;BC=0.2981921|-1;CH=green;FP=0|0|0|0|0|-1|-1|-1;HT=e02c03299;MF=zhenwei.pi@youruncloud.com;NM=1;PH=DS;RN=4;RT=4;SR=0;TI=SMTPD_---.AMbz0gv_1516237492; From: "zhenwei.pi" To: dave.hansen@linux.intel.com, tglx@linutronix.de, linux-kernel@vger.kernel.org Cc: zhenwei.pi@youruncloud.com Subject: [PATCH] x86/pti: Document fix wrong index Date: Thu, 18 Jan 2018 09:04:52 +0800 Message-Id: <1516237492-27739-1-git-send-email-zhenwei.pi@youruncloud.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In section <2. Runtime Cost>, fix wrong index. Signed-off-by: zhenwei.pi --- Documentation/x86/pti.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/x86/pti.txt b/Documentation/x86/pti.txt index d11eff6..5cd5843 100644 --- 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 -- 2.7.4