From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x227nDW5n8zfzxr27/X0100LH/NtqZo+fUH65VwxaQ3suN6+NAAKm3R0yjUbbBhzEOCY79R6R ARC-Seal: i=1; a=rsa-sha256; t=1516610575; cv=none; d=google.com; s=arc-20160816; b=R0/B6DTrFws0rcIkjNxUPfPt0rKGLsH3tPfF3iLQkEXaahtiPlnwuuctYJOyBif8GV 4SEc+NXKaqRjMYPFSRPwQ60qcFvh4rjjBiRnxITtRfJapLjNR1XQpY0SGppY31U0Q/5Z buMLYBjJRT3t5h0tPz8w8n6sgpOgi5L8jdrKjNcAlRnQrZqIxdEDf7Y+vG5xkv/tEjhX AhFjdKZHe5bxvweE0atAUEfFOYLudzaVL5Fg0F6E7QiOuJdYFkDkaMUCyyLK0v02dSE2 dDkL7TEW7JxeHb/rk8lDoSJ6hySR6FLtot9Xe+4PwiLz38DmCG38X5qRmKhrHevlgse1 gQ7w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=sLK0EaZXRoG/2RE9PrJKbA6zHQgqOBEM9SOgc645qJE=; b=IdgDXhQ8J8c83P8VATjd0LxPCIf+5mryl6tF3WZa5mPmw07vNelCaiJY5R/xVWR/tl YCfAvbWSnZWy293t9tYbCZRUyI1lbsofy0bHPWdkZZUCpJR4/0mtXKwA2e8jBwiFaGY+ lnghgW3m1kcyYDG2u8ZB0jckj5odDHyn/s7MxrxI5ry8Zm5eO30PTDBpRvojcsfKWeiJ pOoIDm/9sCshRd31Qu6yYV8dRHufaJMMVgM0NhJ7rizMBPW2Ki3iYmhqMFx5Qh8Hz59N tY0sdAbFixXKhWWZ63PEcyzzkQaO/2N0TZUAow/fISlse+ylKfeKVdvu2Coi1mQSBGy8 mVtA== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org 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 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1590281450608148955?= X-GMAIL-MSGID: =?utf-8?q?1590281450608148955?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 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